<!doctype html>
<!--[if lt IE 7]> <html class="no-js lt-ie10 lt-ie9 lt-ie8 lt-ie7" lang="en-US" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:og="http://ogp.me/ns#"> <![endif]-->
<!--[if IE 7]>    <html class="no-js lt-ie10 lt-ie9 lt-ie8" lang="en-US" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:og="http://ogp.me/ns#"> <![endif]-->
<!--[if IE 8]>    <html class="no-js lt-ie10 lt-ie9" lang="en-US" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:og="http://ogp.me/ns#"> <![endif]-->
<!--[if IE 9]>    <html class="no-js lt-ie10" lang="en-US" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:og="http://ogp.me/ns#"> <![endif]-->

<!--[if gt IE 9]><!--> <html class="no-js" lang="en-US" dir="ltr" prefix="fb: http://www.facebook.com/2008/fbml og: http://ogp.me/ns#"> <!--<![endif]-->

	<head>
		
			
		
		
			<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
			<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
			<meta property="fb:admins" content="100000302287435" />
			<meta name="viewport" content="width=device-width,initial-scale=1">

			<link rel="stylesheet" href="http://static.advance.net/static/nola/static/css/oap.2.css" />
		

		
		<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">


  






<title>	Carp, clams and crested floating-hearts: Louisiana on alert for invasive species | 						NOLA.com</title>


	
	

	
	
	
	
																														
	

	
																														

	
		
	
	
	

	
	<!--
	<PageMap>
		<DataObject type="document">
			<Attribute name="article_title">Carp, clams and crested floating-hearts: Louisiana on alert for invasive species</Attribute>
			<Attribute name="article_publication_name">NOLA.com</Attribute>
			<Attribute name="article_author">Sara Sneath</Attribute>
			<Attribute name="article_description">Federal agency launches new app to identify aquatic pathways for migration</Attribute>
			<Attribute name="image_src">http://image.nola.com/home/nola-media/width620/img/environment/photo/23467170-standard.jpg</Attribute>
			<Attribute name="article_comments">0</Attribute>
			<Attribute name="article_date_original">09/25/2017</Attribute>
			<Attribute name="article_date_updated">09/25/2017</Attribute>
		</DataObject>
	</PageMap>
	-->

	
		
		
		
		<script type="application/ld+json">
			{
				"@context": "http://schema.org",
				"@type": "NewsArticle",
				"mainEntityOfPage": {
					"@type": "WebPage",
					"@id": "http://www.nola.com/environment/index.ssf/2017/09/hurricane_harvey_invasive_species.html"
				},
				"headline": "Carp, clams and crested floating-hearts: Louisiana on alert for invasive species",
				"url": "http://www.nola.com/environment/index.ssf/2017/09/hurricane_harvey_invasive_species.html",
				"thumbnailUrl": "http://image.nola.com/home/nola-media/width620/img/environment/photo/23467170-standard.jpg",
				"image": "http://image.nola.com/home/nola-media/width620/img/environment/photo/23467170-standard.jpg",
				"dateCreated": "2017-09-25T11:01:07Z",
				"datePublished": "2017-09-25T11:01:07Z",
				"dateModified": "September 25, 2017 11:58 PM",
				"publisher": {
					"@type": "Organization",
					"name": "NOLA.com",
					"logo": {
						"@type": "ImageObject",
						"url": "http://static.advance.net/static/nola/static/img/logos/logo_main.png"
					}
				},
				"creator": ["Sara Sneath"],
				"author": {
					"@type": "Person",
					"name": "Sara Sneath"
				},
				"keywords": ["fej","fish","flooding","formosan termites","homepage","hurricane harvey","hurricane irma","louisiana flooding","news","pets and animals","storm harvey","storm irma","texas","tropical storm harvey","tropical storm irma"],
				"metadata": {"blog_id": "8001831", "entry_id": "21326334", "short_title": "Did Harvey flush these invasive species into Louisiana?", "image_url": "http://media.nola.com/environment/photo/usgs-invasive-species-mapjpg-33bace1eead25da6.jpg", "author_name": "sarasneath", "author_nickname": "Sara Sneath", "author_id": "12583525", "source_blog_name": "Louisiana Environment and Flood Control", "source_blog_url": "http://www.nola.com/environment/index.ssf/", "sponsored_content": "0", "ampurl": "https://articles.nola.com/environment/index.ssf/2017/09/hurricane_harvey_invasive_species.amp" }
			}
		</script>
	

	




<meta name="cXenseParse:description" content="Federal agency launches new app to identify aquatic pathways for migration"/> <!-- Priority 1, then og:description, then description. -->
<meta name="cXenseParse:title" content="Carp, clams and crested floating-hearts: Louisiana on alert for invasive species"/> <!-- Priority 1, then og:title, then title tag -->
<meta name="cXenseParse:url" content="http://www.nola.com/environment/index.ssf/2017/09/hurricane_harvey_invasive_species.html"/>
<meta name="cXenseParse:pageclass" content="article" />
<meta name="cXenseParse:recs:publishtime" content="2017-09-25T06:00:00Z"/>
<meta property="article:modified_time" content="2017-09-25T23:58:37Z" />
<meta name="cXenseParse:articleid" content="21326334" />
<meta property="cXenseParse:author" content="Sara Sneath" />






	
	

	
	

	
		
			
		
	
	
	

	
	<meta property="fb:app_id" content="132415560104656"/>
	<meta name="title" content="Carp, clams and crested floating-hearts: Louisiana on alert for invasive species" />
	<meta name="article_publication_name" content="NOLA.com" />
	<meta name="article_author" content="Sara Sneath" />
	<meta name="article_date_original" content="Monday, September 25, 2017,  6:00 AM" />
	<meta name="article_date_updated" content="Monday, September 25, 2017, 11:58 PM" />
	<link rel="image_src" href="http://image.nola.com/home/nola-media/width620/img/environment/photo/23467170-standard.jpg" />
	
	<meta name="news_keywords" content="Hurricane Harvey, Pam Fuller, Hurricane Irma, Harvey flood, United States, fej, fish, flooding, formosan termites, homepage, hurricane harvey, hurricane irma, louisiana flooding, news, pets and animals, storm harvey, storm irma, texas, tropical storm harvey, tropical storm irma">
	
		<meta property="article:author" content="https://www.facebook.com/sara.sneath.9" />
	

	
	

	
	
		
	

	
	
		
			
				<meta name="twitter:card" content="summary_large_image" />
			
		
		<meta name="twitter:description" content="Federal agency launches new app to identify aquatic pathways for migration" />
		<meta name="twitter:image" content="http://image.nola.com/home/nola-media/width620/img/environment/photo/23467170-standard.jpg" />
	
	
		<meta name="twitter:title" content="Carp, clams and crested floating-hearts: Louisiana on alert for invasive species" />
		<meta name="twitter:site" content="@nolanews" />
		<meta name="twitter:creator" content="@SaraSneath" />
	

	<meta property="og:title" content="Carp, clams and crested floating-hearts: Louisiana on alert for invasive species" />
	<meta property="og:description" content="Federal agency launches new app to identify aquatic pathways for migration" />
	<meta property="og:site_name" content="NOLA.com" />
	<meta property="og:url" content="http://www.nola.com/environment/index.ssf/2017/09/hurricane_harvey_invasive_species.html" />
	<meta property="og:type" content="article" />
	<meta property="og:image" content="http://image.nola.com/home/nola-media/width620/img/environment/photo/23467170-standard.jpg" />
	
		<meta property="og:image:width" content="620" />
		<meta property="og:image:height" content="282" />
	
	

	
		<script type="text/javascript" src="//tags.tiqcdn.com/utag/advancedigital/lib-common/prod/utag.sync.js"></script>

	

	
		
		<script type="text/javascript">
	window.LF_META = {
		"environment": "production",
		"networkId": "advancedigital.fyre.co",
		"siteId": "352338",
		"articleId": "afce76be46ef9879d781015891a7b7ae",
		"checksum": "9e779342081464f8115902bdd0892c69",
		"collectionMeta":  "eyJhbGciOiJIUzI1NiJ9.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.pmP9sHS4CLi51cUiUCzUBJtKeFjem_hvmMCUPIRuRwo",
		"readOnly": "false",
		"articleAuthorID": "12583525"
	};
</script>

		
		<script type="text/javascript">
			var rtb_comments_readonly = false;
		</script>



<link rel="alternate" type="application/atom+xml" title="Louisiana Environment and Flood Control" href="http://www.nola.com/environment/index.ssf//atom.xml" />

    

    
        
    

    
 
    
        
    
    





    







		
			
			
			
			

			
			
				<link rel="amphtml" href="https://articles.nola.com/environment/index.ssf/2017/09/hurricane_harvey_invasive_species.amp" />
			

			
				<meta name="Description" content="Federal agency launches new app to identify aquatic pathways for migration" />
				
					
				
				 

				

				
			
		
		
			
		
		
		
	</head>

	<body class="cma">

		
		<!-- Start Masthead -->
		
			
		
		<!-- ./templates/global/shared/nav/masthead.mtml start -->

	
		
			
		
		


<!-- toprail -->
<section id="adv_network">
    <div class="advWrapper">
        <div class="Popup"><div class="Popup adunit nomobilead" id="Popup"></div></div>
        <div class="adunit" id="TopRail_Above"></div>
    </div>
</section>

<header id="adv_header">
    
    <div id="adv_masthead">
        <div id="adv_header_logo">
            <div id="adv_logo">
                <a id="adv_aff_link" href="http://www.nola.com/" title="NOLA.com">
                    <span class="ir">NOLA.com</span>
                </a>

                <button id="adv_header_text" data-state="7" aria-expanded="false">
                    
                </button>

                
            </div>
        </div>
    </div>

    <div id="adv_mast_left">
        
        <nav id="adv_menu"  data-state="1" aria-labeledby="adv_nav_label">
            <button class="advToprailBtn" id="adv_nav_btn" aria-expanded="false">
                <span class="advToprailIcon"></span>
                <span id="adv_nav_label" class="advMenuText">Menu</span>
            </button>
        </nav>

        
        <nav id="adv_menu_dropdown" class="advDropdown advLayer" aria-labeledby="adv_nav_label" aria-hidden="true" role="navigation">
            <div class="advPanelArrow"></div>
            <div class="advDropdownOuter">
                <div id="adv_menu_container">
                    <div class="advDropdownInner">

                        
                        <ul id="adv_menu_top" class="advMenu">
                            <li><a href="http://www.nola.com/">Home</a></li>
                            
                            <li id="adv_mobi_weather" data-state="4">
                                <div class="advWeatherInner">
                                    <span class="advGeoChoosen"></span>
                                    <span class="advConditions">
                                        <span class="advTemp"></span>
                                    </span>
                                </div>
                                <span class="next"></span>
                            </li>
                        </ul>

                        
                        <ul id="adv_menu_main" class="advMenu">
                            
                                <li class="" style="">
                                    
                                        <a href="http://www.nola.com/news/"><span id="news-menuitem">News</span></a>
                                    
                                    
                                        <button class="next" data-state="2" data-key="12785" aria-describedby="news-menuitem" aria-expanded="false">
                                            <div class="aria-hidden">open</div>
                                            <span aria-hidden="true"></span>
                                        </button>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://www.nola.com/sports/"><span id="sports-menuitem">Sports</span></a>
                                    
                                    
                                        <button class="next" data-state="2" data-key="12810" aria-describedby="sports-menuitem" aria-expanded="false">
                                            <div class="aria-hidden">open</div>
                                            <span aria-hidden="true"></span>
                                        </button>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://www.nola.com/entertainment/"><span id="entertainment-living-menuitem">Entertainment &amp; Living</span></a>
                                    
                                    
                                        <button class="next" data-state="2" data-key="12869" aria-describedby="entertainment-living-menuitem" aria-expanded="false">
                                            <div class="aria-hidden">open</div>
                                            <span aria-hidden="true"></span>
                                        </button>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://www.nola.com/northshore/"><span id="one-tammany-menuitem">One Tammany</span></a>
                                    
                                    
                                        <span class="none" data-state="2" data-key="17627"></span>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://www.nola.com/eat-drink/"><span id="where-nola-eats-menuitem">Where NOLA Eats</span></a>
                                    
                                    
                                        <span class="none" data-state="2" data-key="12904"></span>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://www.nola.com/nolamundo/"><span id="nola-mundo-menuitem">NOLA Mundo</span></a>
                                    
                                    
                                        <span class="none" data-state="2" data-key="17628"></span>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://www.nola.com/300/"><span id="300-for-300-menuitem">300 for 300</span></a>
                                    
                                    
                                        <span class="none" data-state="2" data-key="17635"></span>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://www.nola.com/news/index.ssf/page/special_editions_with_nolacom.html"><span id="special-projects-menuitem">Special Projects</span></a>
                                    
                                    
                                        <button class="next" data-state="2" data-key="16451" aria-describedby="special-projects-menuitem" aria-expanded="false">
                                            <div class="aria-hidden">open</div>
                                            <span aria-hidden="true"></span>
                                        </button>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://www.nola.com/dunc_holder/"><span id="dunc-holder-menuitem">Dunc &amp; Holder</span></a>
                                    
                                    
                                        <span class="none" data-state="2" data-key="17643"></span>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <span class="nolink">Videos</span>
                                    
                                    
                                        <button class="next" data-state="2" data-key="12947" aria-describedby="videos-menuitem" aria-expanded="false">
                                            <div class="aria-hidden">open</div>
                                            <span aria-hidden="true"></span>
                                        </button>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://photos.nola.com/4500/galleries/index.html"><span id="photos-menuitem">Photos</span></a>
                                    
                                    
                                        <button class="next" data-state="2" data-key="12940" aria-describedby="photos-menuitem" aria-expanded="false">
                                            <div class="aria-hidden">open</div>
                                            <span aria-hidden="true"></span>
                                        </button>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <span class="nolink">Social Media, Apps &amp; Newsletters</span>
                                    
                                    
                                        <button class="next" data-state="2" data-key="12962" aria-describedby="social-media-apps-newsletters-menuitem" aria-expanded="false">
                                            <div class="aria-hidden">open</div>
                                            <span aria-hidden="true"></span>
                                        </button>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://obits.nola.com/obituaries/nola/"><span id="obits-menuitem">Obits</span></a>
                                    
                                    
                                        <span class="none" data-state="2" data-key="12928"></span>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://realestate.nola.com/"><span id="real-estate-menuitem">Real Estate</span></a>
                                    
                                    
                                        <button class="next" data-state="2" data-key="12931" aria-describedby="real-estate-menuitem" aria-expanded="false">
                                            <div class="aria-hidden">open</div>
                                            <span aria-hidden="true"></span>
                                        </button>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://www.nola.com/jobs/"><span id="jobs-menuitem">Jobs</span></a>
                                    
                                    
                                        <button class="next" data-state="2" data-key="12929" aria-describedby="jobs-menuitem" aria-expanded="false">
                                            <div class="aria-hidden">open</div>
                                            <span aria-hidden="true"></span>
                                        </button>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://autos.nola.com/"><span id="autos-menuitem">Autos</span></a>
                                    
                                    
                                        <span class="none" data-state="2" data-key="12930"></span>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://realestate.nola.com/for-rent/"><span id="rentals-menuitem">Rentals</span></a>
                                    
                                    
                                        <span class="none" data-state="2" data-key="12932"></span>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://classifieds.nola.com/"><span id="classifieds-menuitem">Classifieds</span></a>
                                    
                                    
                                        <span class="none" data-state="2" data-key="12933"></span>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://findnsave.nola.com/?ac=AFFnolaFSNAVFLS"><span id="findsave-menuitem">FIND&amp;SAVE</span></a>
                                    
                                    
                                        <button class="next" data-state="2" data-key="12934" aria-describedby="findsave-menuitem" aria-expanded="false">
                                            <div class="aria-hidden">open</div>
                                            <span aria-hidden="true"></span>
                                        </button>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://businessfinder.nola.com/"><span id="local-business-finder-menuitem">Local Business Finder</span></a>
                                    
                                    
                                        <span class="none" data-state="2" data-key="12939"></span>
                                    
                                </li>
                            
                                <li class="" style="">
                                    
                                        <a href="http://blog.nola.com/connect/page/nolacom_contacts_services_and.html"><span id="contact-us-menuitem">Contact Us</span></a>
                                    
                                    
                                        <span class="none" data-state="2" data-key="17634"></span>
                                    
                                </li>
                            

                            
                            
                            <li id="adv_li_subscribe" data-state="2" data-key="subscribe"><span class="nolink">Subscribe</span>
                                <button aria-expanded="false" aria-labeledby="adv_li_subscribe" class="next" data-state="2" data-key="subscribe"></button>
                            </li>
                            

                        </ul>

                        <div class="nomobilead injectedAd" id="DropDownMenu_Sponsor"></div>

                        
                        
                            


<section class="advMenuSubWrap " role="region" aria-hidden="true"aria-labeledby="news-menuitem" data-key="12785">
    <ul class="advMenuSub advMenu">
        <li class="advMainMenuLink" data-state="2" data-key="12785">
            <button class="prev"><span aria-hidden="true"></span>Back to Main Menu</button>
        </li>

        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/hurricane/">Hurricane Central</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/weather/">Weather</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/crime/">Crime &amp; Courts</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/traffic/">Traffic, Fires &amp; Accidents</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/politics/">Louisiana Politics</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/elections/">Louisiana Elections</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/national_politics/">National Politics</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/business/">Business</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/environment/">Environment &amp; Coastal Watch</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/health/">Health &amp; Health Care</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/education/">Education</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/opinions/">Opinions</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/northshore/">One Tammany</a>
                    </li>
                
            
        
    </ul>
</section>



    





    





    





    





    





    





    





    





    





    





    





    





    





                        
                            


<section class="advMenuSubWrap " role="region" aria-hidden="true"aria-labeledby="sports-menuitem" data-key="12810">
    <ul class="advMenuSub advMenu">
        <li class="advMainMenuLink" data-state="2" data-key="12810">
            <button class="prev"><span aria-hidden="true"></span>Back to Main Menu</button>
        </li>

        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/saints/">Saints</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/pelicans/">Pelicans</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/lsu/">LSU Tigers</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/tulane/">Tulane Green Wave</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/recruiting/">Recruiting</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://highschoolsports.nola.com/">High School Sports</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/outdoors/">Outdoors</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/dunc_holder/">Dunc &amp; Holder</a>
                    </li>
                
            
        
    </ul>
</section>



    





    





    





    





    





    





    





    





                        
                            


<section class="advMenuSubWrap " role="region" aria-hidden="true"aria-labeledby="entertainment-living-menuitem" data-key="12869">
    <ul class="advMenuSub advMenu">
        <li class="advMainMenuLink" data-state="2" data-key="12869">
            <button class="prev"><span aria-hidden="true"></span>Back to Main Menu</button>
        </li>

        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/music/">Music</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/festivals/">Festivals</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/movies/">Movies</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/tv/">TV</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/society/">Parties &amp; Society</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/homegarden/">Home &amp; Garden</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/vintage/">Vintage New Orleans</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/arts/">Arts &amp; Stage</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/events/">Event Calendar</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/comics/">Comics</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/puzzles-games/">Puzzles</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.mardigras.com/">MardiGras.com</a>
                    </li>
                
            
        
    </ul>
</section>



    





    





    





    





    





    





    





    





    





    





    





    





                        
                            




                        
                            




                        
                            




                        
                            




                        
                            


<section class="advMenuSubWrap " role="region" aria-hidden="true"aria-labeledby="special-projects-menuitem" data-key="16451">
    <ul class="advMenuSub advMenu">
        <li class="advMainMenuLink" data-state="2" data-key="16451">
            <button class="prev"><span aria-hidden="true"></span>Back to Main Menu</button>
        </li>

        
            
                
                    <li class="" style="">
                        <a href="http://topics.nola.com/tag/nola%20votes%202017/">NOLA Votes 2017</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/health/index.ssf/page/crackingthecode.html">Cracking the Code</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/300/">300 for 300</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/crime/index.ssf/page/our_lost_the_human_toll_of_mur.html#incart_std">Our Lost: The human toll of murder</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/crime/index.ssf/page/family_sentence.html">Family Sentence</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/crime/index.ssf/page/new_orleans_stolen_guns.html">The New Orleans Gun Pipeline</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/katrina/">Hurricane Katrina</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/data/">Data &amp; Databases</a>
                    </li>
                
            
        
    </ul>
</section>



    





    





    





    





    





    





    





    





                        
                            




                        
                            


<section class="advMenuSubWrap " role="region" aria-hidden="true"aria-labeledby="videos-menuitem" data-key="12947">
    <ul class="advMenuSub advMenu">
        <li class="advMainMenuLink" data-state="2" data-key="12947">
            <button class="prev"><span aria-hidden="true"></span>Back to Main Menu</button>
        </li>

        
            
                
                    <li class="" style="">
                        <a href="https://www.youtube.com/user/noladotcom">NOLA.com</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/live/">Live Cams</a>
                    </li>
                
            
        
    </ul>
</section>



    





    





                        
                            


<section class="advMenuSubWrap " role="region" aria-hidden="true"aria-labeledby="photos-menuitem" data-key="12940">
    <ul class="advMenuSub advMenu">
        <li class="advMainMenuLink" data-state="2" data-key="12940">
            <button class="prev"><span aria-hidden="true"></span>Back to Main Menu</button>
        </li>

        
            
                
                    <li class="" style="">
                        <a href="http://photos.nola.com/4500/category/news/index.html">News Photos</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://photos.nola.com/4500/category/sports/index.html">Sports Photos</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://photos.nola.com/4500/category/entertainment/index.html">Entertainment Photos</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://photos.mardigras.com/8004907/galleries/index.html">Mardi Gras photos</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://photos.nola.com/tpphotos/index.html">Featured Galleries</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://photos.nola.com/photogallery/index.html">Your Photos</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/connect/">Contact a Photographer</a>
                    </li>
                
            
        
    </ul>
</section>



    





    





    





    





    





    





    





                        
                            


<section class="advMenuSubWrap " role="region" aria-hidden="true"aria-labeledby="social-media-apps-newsletters-menuitem" data-key="12962">
    <ul class="advMenuSub advMenu">
        <li class="advMainMenuLink" data-state="2" data-key="12962">
            <button class="prev"><span aria-hidden="true"></span>Back to Main Menu</button>
        </li>

        
            
                
                    <li class="menuSocial menuFacebookIcon" style="">
                        <a href="http://www.nola.com/connect/facebook/">Visit our Facebook Page</a>
                    </li>
                
            
        
            
                
                    <li class="menuSocial menuTwitterIcon" style="">
                        <a href="http://www.nola.com/connect/twitter/">Follow us on Twitter</a>
                    </li>
                
            
        
            
                
                    <li class="menuSocial menuGplusIcon" style="">
                        <a href="https://plus.google.com/105883288752706320720">Visit us on Google Plus</a>
                    </li>
                
            
        
            
                
                    <li class="menuSocial menuInstagramIcon" style="">
                        <a href="https://www.instagram.com/nolanews/">Follow us on Instagram</a>
                    </li>
                
            
        
            
                
                    <li class="menuSocial menuSnapchatIcon" style="">
                        <a href="https://www.snapchat.com/add/nolanews">Add us on Snapchat</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://subscription.nola.com/">Newsletters</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/mobile-device/">Mobile Apps</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/contests/">Contests</a>
                    </li>
                
            
        
    </ul>
</section>



    





    





    





    





    





    





    





    





                        
                            




                        
                            


<section class="advMenuSubWrap " role="region" aria-hidden="true"aria-labeledby="real-estate-menuitem" data-key="12931">
    <ul class="advMenuSub advMenu">
        <li class="advMainMenuLink" data-state="2" data-key="12931">
            <button class="prev"><span aria-hidden="true"></span>Back to Main Menu</button>
        </li>

        
            
                
                    <li class="" style="">
                        <a href="http://realestate.nola.com/realestate-news/">Real Estate News</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/realestatetransfers/">Real Estate Transfers</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://realestate.nola.com/homes-for-sale/">Homes for Sale</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://realestate.nola.com/new-homes/">New Homes</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://realestate.nola.com/for-rent/">For Rent</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://foreclosures.nola.com">Foreclosures</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.cityfeet.com/partner/nola/">Commercial</a>
                    </li>
                
            
        
            
                <li class=" advMenuExpansion" style="" data-state="3" data-sub-key="17009" data-sub-parent="12931">
                    
                        <span class="nolink">Resources</span>
                    
                    <button class="next" data-state="3" data-sub-key="17009" data-sub-parent="12931" aria-expanded="false">
                        <div class="aria-hidden">open</div>
                        <span aria-hidden="true"></span>
                    </button>
                </li>
            
        
    </ul>
</section>



    





    





    





    





    





    





    





    


<section class="advMenuSubWrap advMenuSub2" role="region" aria-hidden="true"aria-labeledby="resources-menuitem" data-sub-key="17009">
    <ul class="advMenuSub advMenu">
        <li class="advMainMenuLink" data-state="3" data-sub-key="17009">
            <button class="prev"><span aria-hidden="true"></span>Back to Main Menu</button>
        </li>

        
            
                
                    <li class="" style="">
                        <a href="http://realestate.nola.com/homebuying">Home Buying</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://realestate.nola.com/sellmyhome">Sell My Home</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://realestate.nola.com/rentalliving">Rental Living</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://realestate.nola.com/homeideas">Home Ideas</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://realestate.nola.com/mortgagesandloans">Mortgages and Loans</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://realestate.nola.com/immoving">I&#39;m Moving</a>
                    </li>
                
            
        
    </ul>
</section>



    





    





    





    





    





    






                        
                            


<section class="advMenuSubWrap " role="region" aria-hidden="true"aria-labeledby="jobs-menuitem" data-key="12929">
    <ul class="advMenuSub advMenu">
        <li class="advMainMenuLink" data-state="2" data-key="12929">
            <button class="prev"><span aria-hidden="true"></span>Back to Main Menu</button>
        </li>

        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/jobnews/">Latest Jobs News</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://www.nola.com/careeradvice/">Career Advice</a>
                    </li>
                
            
        
    </ul>
</section>



    





    





                        
                            




                        
                            




                        
                            




                        
                            


<section class="advMenuSubWrap " role="region" aria-hidden="true"aria-labeledby="findsave-menuitem" data-key="12934">
    <ul class="advMenuSub advMenu">
        <li class="advMainMenuLink" data-state="2" data-key="12934">
            <button class="prev"><span aria-hidden="true"></span>Back to Main Menu</button>
        </li>

        
            
                
                    <li class="" style="">
                        <a href="http://findnsave.nola.com/Local-Ads/All">Local Grocery Ads</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://shop.nola.com/SS/Tiles.aspx?ex=magazinestreetmerchantassoc">Special Sections</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://findnsave.nola.com/Local-Ads">Local Ads</a>
                    </li>
                
            
        
            
                
                    <li class="" style="">
                        <a href="http://findnsave.nola.com/Local-Ads/c-8096/Lagniappe">Lagniappe</a>
                    </li>
                
            
        
    </ul>
</section>



    





    





    





    





                        
                            




                        
                            




                        

                        
                        
                            <section class="advMenuSubWrap" role="region" aria-labeledby="adv_li_subscribe" data-key="subscribe">
                                <ul id="adv_subscribe_menu" class="advMenuSub advMenu" data-key="subscribe">
                                    <li class="advMainMenuLink" data-state="2">
                                        <button class="prev"><span aria-hidden="true"></span></button>
                                        Back to Main Menu
                                    </li>

                                    
                                        <li class="" style="" value="" data-val=""><a href="https://member.nola.com/">The Times-Picayune</a></li>
                                    
                                        <li class="" style="" value="" data-val=""><a href="http://subscription.nola.com/">Newsletters</a></li>
                                    
                                        <li class="" style="" value="" data-val=""><a href="http://www.nola.com/siteindex/">RSS Feeds</a></li>
                                    
                                        <li class="" style="" value="" data-val=""><a href="http://www.nola.com/mobile-device/">Mobile Apps</a></li>
                                    
                                </ul>
                            </section>
                        

                        
                        
                        <div class="nofullad injectedAd" id="DropDownMenu_Sponsor"></div>
                    </div>
                </div>
            </div>
        </nav>

        
        <button id="adv_weather" data-state="4" class="advWeatherButton" aria-label="Weather" aria-expanded="false">
            <div class="advWeatherInner">
                <span class="advConditions intermittent-clouds-04">
                    <span class="advTemp"></span>
                </span>
            </div>
        </button>

        
        <div id="adv_weather_main" class="advDropdown advLayer" role="dialog" aria-hidden="true">
            <div class="advPanelArrow"></div>
            <div class="advDropdownOuter">
                <div class="advDropdownInner">
                    <div class="advMainMenuLink" data-state="1"><button class="prev"><span aria-hidden=""><a href="#"></a></span></button>Back to Main Menu</div>
                    <div id="adv_weather_inner">
                        <button class="advClose" data-state="4"><span class="advToprailIcon ir">Close</span></button>

                        <form id="adv_wlocation_form">
                            <h2 class="title">Customize Your Weather</h2>
                            <div>
                                <label for="adv_wlocation_input">Set Your Location:</label>
                                <div class="errorMsg"></div>
                                <div class="aria-hidden">Enter City and State or Zip Code</div>
                            </div>
                        </form>

                        <div id="adv_wlocation_confirm">
                            <h2 class="title">Congratulations!</h2>
                            <div>Your weather is set to <span class="advGeoChoosen"></span>. You can change the location at any time.</div>
                            <div class="advFrmBtn">
                                <input class="adv-tray_link" data-state="4" data-phase="phase3" type="button" value="Done" />
                            </div>
                        </div>

                        <div id="adv_weather_data">
                            <div class="subtitle">AccuWeather.com Quick Look</div>
                            <h2 class="title"></h2>
                            <div><button class="advTrayLink" data-state="2" data-phase="phase1">Change your current location &raquo;</button></div>
                            <div class="advWeatherInner"></div>
                            <div class="advFrmBtn"><a class="advABtn" href="">View Full Weather Report</a></div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class="adunit nomobilead" id="TopRail_Sponsor"></div>
    </div>

    
    <div id="adv_mast_right">

        
        <button id="adv_search" class="advToprailBtn" data-state="6" aria-expanded="false">
            <span class="advToprailIcon ir"></span>
            <span class="advIconLabel">Search</span>
        </button>

        
        <button id="adv_account" class="advToprailBtn" data-state="5" aria-labeledby="adv_acc_btn" aria-expanded="false">
            <span class="advToprailIcon ir">Account</span>
            <span id="adv_acc_btn" class="advIconLabel">Sign In</span>
        </button>

        
        <div id="adv_user_dropdown" class="advDropdown advLayer">
            <div class="advPanelArrow"></div>
            <div class="advDropdownOuter">
                <div class="advDropdownInner">
                    <div class="advClose" data-state="5"><span class="advToprailIcon ir">Close</span></div>
                    <div id="adv_user_main">
                        <div id="adv_user_signin">
                            <h2>Sign in to<br/><span>NOLA.com</span></h2>
                            <div id="adv_gigya_tr_container"></div>
                        </div>
                        <div id="adv_user_snapshot">
                            <div id="adv_profile_menu">
                                <img id="adv_profile_img" alt="User Profile" />
                                <div id="adv_profile_nameplate">
                                    <span class="advSignInStatus">You are signed in as</span><br/>
                                    <h2></h2>
                                </div>
                                <div id="adv_profile_btns">
                                    <span class="advProfileBtn" id="adv_profile_edit"><a href="" title="Edit your profile">Edit</a></span>
                                    <span class="advProfileBtn" id="adv_profile_view"><a href="" title="View your public profile">Public Profile</a></span>
                                    <span class="advProfileBtn" id="adv_profile_exit"><a href="" title="Sign out">Sign Out</a></span>
                                </div>
                            </div>
                            <div id="adv_gigya_tr_profile"></div>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        
        
        <button id="adv_subscribe" data-state="9" class="" aria-expanded="false">
            <span class="advArrow">Subscribe</span><br/><strong></strong>
        </button>

        
        <div id="adv_subscribe_main" class="advDropdown advLayer" role="dialog" aria-hidden="true">
            <div class="advPanelArrow"></div>
            <div class="advDropdownOuter">
                <div class="advDropdownInner">
                    <ul class="advMenu">
                        
                            <li class="" style="" value="" data-val=""><a href="https://member.nola.com/">The Times-Picayune</a></li>
                        
                            <li class="" style="" value="" data-val=""><a href="http://subscription.nola.com/">Newsletters</a></li>
                        
                            <li class="" style="" value="" data-val=""><a href="http://www.nola.com/siteindex/">RSS Feeds</a></li>
                        
                            <li class="" style="" value="" data-val=""><a href="http://www.nola.com/mobile-device/">Mobile Apps</a></li>
                        
                    </ul>
                </div>
            </div>
        </div>
        
    </div>
    
    
</header>

<script type="text/javascript">
    function getToprailVersion() { return 1; }
    function getComscorekwValue() {
        
            return '';
        
    }

    function getToprailMenuContext() {
        return '';
    }
</script>

<!-- /toprail -->

		
			
				
			
		
	


<!-- ./templates/global/shared/nav/masthead.mtml end -->

		<!-- End Masthead -->

		
			
			
	
	
    
    
    
    






	
	
	







	



	
		
			
				
	
	
		
			
		
		
	
	

			
		
	


<div class="wrapper">
    <main class="main" role="main" aria-live="polite">
        <article id="article" data-article-id="21326334" class="article h-entry">
            <header id="article__header" class="article__header">
                <nav id="articleLabel" class="articleLabel" aria-label="articleLabel">
                    <ol id="articleLabel__list" class="articleLabel__list">
                        <li id="articleLabel__listItem" class="articleLabel__listItem">
                            <a id="articleLabel__link" href="http://www.nola.com/environment/index.ssf/" title="Navigate to Louisiana Environment and Flood Control">Louisiana Environment and Flood Control</a>
                        </li>
                    </ol>
                </nav>
                
                <h1 id="articleHeadline" class="p-name">Carp, clams and crested floating-hearts: Louisiana on alert for invasive species</h1>
                <div id="article__dateline" class="article__dateline">
                    <div id="dateline" class="dateline">
                            <time id="dateline__updated" class="dateline__updated" datetime="2017-09-25T23:58" aria-label="Article Updated Date and Time">Updated on September 25, 2017 at 11:58 PM</time>
                        <time id="dateline__published" class="dateline__published" datetime="2017-09-25T06:00" aria-label="Article Published Date and Time">Posted on September 25, 2017 at  6:00 AM</time>
                    </div>
                </div>
                <figure class="article__mmm" id="article__mmm"><div class="mmm__wrapper" id="mmm__wrapper"><div class="mmm__image-wrapper" id="mmm__image-wrapper"><span class="resimg  adv-photo-large" data-image="http://media.nola.com/environment/photo/23467170-mmmain.jpg" data-position="article-main" />
                A new USGS web-based application shows where invasive species potential spread through Hurricane Harvey flood waters.</span></div><figcaption class="mmm__caption" id="mmm__caption">A new USGS web-based application shows where invasive species potential spread through Hurricane Harvey flood waters.
            </figcaption></div></figure>


                <!-- Comment Bubble and Gigya Sharebar -->
                <div id="article__commentBubble-socialShare" class="article__commentBubble-socialShare">
                    <div id="commentBubble__container" class="commentBubble__container">
                        <button id="commentBubble" class="commentBubble commentBubble--noComments">
                        <span id="commentBubbleSpan" class="commentBubbleSpan" data-type="commentBubble">Comment</span>
                        </button>
                    </div>
                <div id="social_21326334" class="adi-share-auto" data-layout="horizontal" data-link="http://www.nola.com/environment/index.ssf/2017/09/hurricane_harvey_invasive_species.html" data-title="Carp, clams and crested floating-hearts: Louisiana on alert for invasive species" data-thumbnail="http://image.nola.com/home/nola-media//img/environment/photo/23467170-small.jpg"></div>
                </div>
                
<div id="byline" class="byline">
    
    <p id="byline__author" class="byline__author--noEmail">
    
        
            By <a id="byline__authorLink" href="http://connect.nola.com/staff/sarasneath/posts.html" title="Visit Sara Sneath's Author Page">Sara Sneath</a></p>
    
        
            <p id="byline__authorAffiliation" class="byline__authorAffiliation">
            NOLA.com | The Times-Picayune
            </p>
        
    
</div><!-- /Byline -->

            </header>
            <div id="article__story" class="article__story">
                <!-- Article -->
    <div id="entryContent" class="entry-content">
        <p><a href="http://topics.nola.com/tag/storm%20harvey/">Hurricane Harvey</a> flushed thousands of people from their homes in southeast <a href="http://topics.nola.com/tag/texas/">Texas</a>. It might also have flushed common carp, Asian clams and a flower called the crested floating-heart across the&nbsp;Texas boarder into Louisiana.</p>
<p>That's the premise behind <a href="https://nas.er.usgs.gov/viewer/harvey.aspx#" target="_blank">a new web-based application developed by the&nbsp;U.S. Geological Survey</a>&nbsp;to track invasive species. It assumes that Harvey's <a href="http://topics.nola.com/tag/flooding/">floodwaters</a> created news pathways by which aquatic species could move from one body of water to another.</p>
<p>"The little app that we put together is brand new," said Pam Fuller, a Geological Survey invasive species biologist who developed the app. "We've got a lot of people who are very pleased with it; they think it's a great tool to use. It's also reached the attention of people at <a href="http://topics.nola.com/tag/fema/">FEMA.</a>"</p>
<p><a href="http://www.nola.com/environment/index.ssf/2017/09/redfish_oil_deformities.html#incart_river_index" target="_blank" data-enhanced="small"></a></p>
<p>The application has a drop-down menu listing invasive species such as frogs, fish,&nbsp;mollusks and plants. Once the user selects a species, a color-coded map shows water systems that are known to have that species and water systems where the species had the potential to spread via Harvey's flooding.</p>
<p>One way that aquatic invasive species move from one water body&nbsp;to another is when nearby rivers crest, Fuller said. Their floodwaters intermingle, along with the critters and plants in them.</p>
<p>Another way is when freshwater pours out the mouth of adjacent rivers into a bay. The river water can create a freshwater zone that acts as a bridge between the rivers, allowing species to migrate from one stream to the other.</p>
<p><a href="http://www.nola.com/environment/index.ssf/2017/09/whale_dolphin_grand_isle.html#incart_river_index" target="_blank" data-enhanced="small"></a></p>
<p>Invasive species can cause expensive problems. Fighting them in the United States costs $137 billion annually, according to the&nbsp;<a href="http://is.cbr.tulane.edu/index.html" target="_blank">Center for Bioenvironmental Research</a>. In New Orleans, $300 million is spent annually just on damage and control efforts for <a href="http://topics.nola.com/tag/formosan%20termites/">Formosan termites</a>, according to the center.</p>
<p>The new app can help natural resource managers identify problem species that spread in Harvey's floodwaters, Fuller said. It also can help identify where to focus decontamination efforts, such as draining boats that traversed floodwaters to avoid spreading zebra mussels.</p>
<p>Fuller is working on developing a similar application for <a href="http://topics.nola.com/tag/hurricane%20irma/">Hurricane Irma.</a>&nbsp;It will launch in about a week, she said.</p>
<div align="center"><strong>.&nbsp;.&nbsp;.&nbsp;.&nbsp;.&nbsp;. .</strong>&nbsp;
<p>
<div align="left">
<div><em><a href="&quot;http://connect.nola.com/staff/sarasneath/posts.html">Sara Sneath</a> covers Louisiana coastal issues for&nbsp;NOLA.com&nbsp;| The Times Picayune. Reach&nbsp;her at&nbsp;<a href="mailto:ssneath@nola.com">ssneath@nola.com</a>.&nbsp;Follow&nbsp;her on&nbsp;Twitter <a href="&quot;https://twitter.com/SaraSneath">@SaraSneath</a>.</em></div>
</div>
</div></p>
        
        
    </div>
<!-- /Article -->

                <div id="article__footer" class="article__footer">
                    <button id="commentButton" class="commentButton" type="button">View Comments</button>
                </div>
            </div>
        </article>
    </main>
    <div id="sidebar" class="sidebar"></div>
</div>
<script type="text/javascript">
    /* <![CDATA[ */
    if (window.location.host.substr(0,6) == "photos" ) {
        var arcs_page_template = 'gallery';
    } else {
        var arcs_page_template = 'article';  
    }
    /* ]]> */
</script>
  



		

		
		<!-- ./templates/global/shared/nav/footer.mtml start -->
<br />


	
    
	

  <footer id="footer">
    <div class="wrapper clearfix">

        <div id="footer-logos">
            <img src="//static.advance.net/static/nola/static/img/footer-logo-nola-inc.png" alt="NOLA.com All day. Every day.">
        </div>

        
            <div id="footer-col-1" class="footer-col">
                
                    <div class="cluster clearfix">
                        <h2>About Us</h2>

                        
                            <ul  >
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nolamediagroup.com/">About NOLA Media Group</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/communityrules">Community Rules</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nolamediagroup.com/solutions/">Advertise with us</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="https://www.advance.net/faqs/">Frequently Asked Questions</a>
                                        
                                    </li>
                                
                            </ul>
                        
                            <ul   aria-label="More from About Us" >
                                
                                    <li class="" style="">
                                        
                                            <a href="http://blog.nola.com/connect/page/nolacom_contacts_services_and.html">Contact Us</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/connect/">Contact Newsroom</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="https://sjobs.brassring.com/TGnewUI/Search/Home/Home?partnerid=26212&amp;siteid=5409">Jobs at NOLA Media Group</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://blog.nola.com/corrections/2014/09/your_correction_request.html">Submit a Correction</a>
                                        
                                    </li>
                                
                            </ul>
                        
                    </div>
                
                    <div class="cluster clearfix">
                        <h2>The Times-Picayune</h2>

                        
                            <ul class="full-width" >
                                
                                    <li class="" style="">
                                        
                                            <a href="https://member.nola.com/">Subscribe</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://neworleanstimespicayune.la.newsmemory.com/">TP electronic edition</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://subscription.nola.com/">eNewsletters</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/mobile-device/">Get our apps &amp; text alerts</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="https://member.nola.com/">Report a wet or missing paper</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="https://member.nola.com/">Make a payment, manage your account</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://blog.nola.com/nola_river/atom.xml">RSS</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/tpstore">Times-Picayune Store</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://classifieds.nola.com/?cur_cat=6869&amp;orig_cat=6869&amp;property=nola.com&amp;orig_prop=nola.com&amp;temp_type=browse&amp;category=results&amp;tp=ME_nola&amp;classification=Notices%20and%20Announcements">Legal notices</a>
                                        
                                    </li>
                                
                            </ul>
                        
                    </div>
                
            </div>
        
            <div id="footer-col-2" class="footer-col">
                
                    <div class="cluster clearfix">
                        <h2>NOLA.com Sections</h2>

                        
                            <ul  >
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/news/">News</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/sports/">Sports</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/entertainment/">Entertainment</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/opinions/">Opinions</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://obits.nola.com/NOLA/DeathNotices.asp">Obituaries</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/weather/">Weather</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="https://www.youtube.com/user/noladotcom">Videos</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/live/">Webcams/Live!</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/siteindex/">Site Map</a>
                                        
                                    </li>
                                
                            </ul>
                        
                            <ul   aria-label="More from NOLA.com Sections" >
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/jobs/">Jobs</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://autos.nola.com/">Autos</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://realestate.nola.com/">Real Estate</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://realestate.nola.com/for-rent/">Rentals</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://classifieds.nola.com/">Classifieds</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://findnsave.nola.com/">Local Deals</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://businessfinder.nola.com/LA-New-Orleans">Local Businesses</a>
                                        
                                    </li>
                                
                            </ul>
                        
                    </div>
                
                    <div class="cluster clearfix">
                        <h2>Your Regional News Pages</h2>

                        
                            <ul  >
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/new-orleans/">New Orleans</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/st-bernard/">St. Bernard</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/east-jefferson/">East Jefferson</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/west-bank/">West Bank</a>
                                        
                                    </li>
                                
                            </ul>
                        
                            <ul   aria-label="More from Your Regional News Pages" >
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/northshore/">Northshore/St. Tammany</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/plaquemines/">Plaquemines</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/river-parishes/">River Parishes</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/baton-rouge/">Baton Rouge</a>
                                        
                                    </li>
                                
                            </ul>
                        
                    </div>
                
                    <div class="cluster clearfix">
                        <h2>Mobile</h2>

                        
                            <ul class="full-width" >
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/mobile-device/">Mobile Apps</a> | <a href="http://www.nola.com/mobile-device/">Mobile FAQ</a>
                                        
                                    </li>
                                
                            </ul>
                        
                    </div>
                
            </div>
        
            <div id="footer-col-3" class="footer-col">
                
                    <div class="cluster clearfix">
                        <h2>More on NOLA.com</h2>

                        
                            <ul class="full-width" >
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/placead/">Post a free classified ad</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/placead/">Sell your car</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/placead/">Sell/Rent your home</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://realestate.nola.com/for-rent/">Apartments and Rentals</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/sponsor-content-index/?prx_adpz=1125">Sponsor Content</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.nola.com/jobs/">Post a job</a>
                                        
                                    </li>
                                
                            </ul>
                        
                    </div>
                
                    <div class="cluster clearfix">
                        <h2>From MardiGras.com</h2>

                        
                            <ul class="full-width" >
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.mardigras.com/">Mardi Gras news</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.mardigras.com/parades/">Mardi Gras parade schedule</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.mardigras.com/events/">Mardi Gras events</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.mardigras.com/about/">Mardi Gras history</a>
                                        
                                    </li>
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.mardigras.com/photos-and-video/">Mardi Gras photos &amp; video</a>
                                        
                                    </li>
                                
                            </ul>
                        
                    </div>
                
                    <div class="cluster clearfix">
                        <h2>Follow Us</h2>

                        
                            <ul class="full-width" >
                                
                                    <li class="" style="">
                                        
                                            <a href="http://www.twitter.com/nolanews" class="adv-icn-twitter icn-link">Twitter</a> | <a href="http://www.facebook.com/nolanews" class="adv-icn-facebook icn-link">Facebook</a> | <a href="https://plus.google.com/105883288752706320720" class="adv-icn-google icn-link">Google+</a> | <a href="https://www.instagram.com/nolanews/" class="adv-icn-instagram icn-link">Instagram</a>
                                        
                                    </li>
                                
                            </ul>
                        
                    </div>
                
            </div>
        

    </div>

    <div id="disclaimer">
        <a href="http://www.advancedigital.com/">
            <div style="background-image:url(//static.advance.net/static/common/img/footer-logo-advance.png);" alt="Advance Digital logo" id="AdvanceDigitalLogo"></div>
        </a>
        <p>
            Registration on or use of this site constitutes acceptance of our
            <a href="http://www.nola.com/user-agreement/">User Agreement</a> and
            <a href="http://www.nola.com/user-agreement/#privacy">Privacy Policy</a>
        </p>
        <p>
            &copy; 2017 NOLA Media Group. All rights reserved (<a href="http://www.nola.com/aboutus/">About Us</a>).<br>
            The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used,
            except with the prior written permission of NOLA Media Group.</p>
        <p>
            <a href="http://www.nola.com/communityrules">Community Rules</a>
            apply to all content you upload or otherwise submit to this site.</p>
        <p>
            <a href="http://www.advance.net/advancedigitalUserAgreementPP/#opt_out">
            <img src="//static.advance.net/static/common/img/ad_choices_arrow_transparent.png" alt=""> Ad Choices</a>
        </p>
    </div>
</footer>

  
  <!-- this is no longer used for site catalyst -->


	



<!-- ./templates/global/shared/nav/footer.mtml end -->


		
		<!-- Quantcast Tag moved to bottom_1 -->

		
		<!-- Nielsen code moved to bottom1 -->


		
			
				
				<script type="text/javascript" >
				/* <![CDATA[ */
				
 				

	


	


		window.m_context = "blog_entry";
	
			window.m_blog_type = "text";
			window.m_blog_id = "8001831";
			window.m_blog_name = "Louisiana Environment and Flood Control";
			window.m_blog_url = "http://www.nola.com/environment/index.ssf/";
			window.m_blog_newspaper = "The Times-Picayune";
			window.m_section = "News";
			window.m_subsection = "|||||||";
	
	
		
				window.m_entry_title = "Carp, clams and crested floating-hearts: Louisiana on alert for invasive species";
				window.m_entry_categories = "";
				window.m_entry_author_name = "Sara Sneath";
				window.m_entry_author_username = "sarasneath";
				window.m_entry_author_public_email = "Unknown";
				window.m_entry_creation_date = "Monday, September 25, 2017,  6:00 AM";
				window.m_entry_wordcount = "359";

			
			
				
						window.m_page_type = 'cal';
					window.moat_section = window.m_page_type;
				
			
		
			window.m_entry_basename = "hurricane_harvey_invasive_species";
			window.m_entry_link = "http://www.nola.com/environment/index.ssf/2017/09/hurricane_harvey_invasive_species.html";
			window.m_entry_tags = "fej;fish;flooding;formosan termites;homepage;hurricane harvey;hurricane irma;louisiana flooding;news;pets and animals;storm harvey;storm irma;texas;tropical storm harvey;tropical storm irma";
			window.m_entry_keywords = "";
			window.m_entry_id = "21326334";
			window.m_entry_entities = "[{ \"entityType\": \"NaturalDisaster\", \"entity\": \"Hurricane Harvey\" },{ \"entityType\": \"Person\", \"entity\": \"Pam Fuller\" },{ \"entityType\": \"NaturalDisaster\", \"entity\": \"Hurricane Irma\" },{ \"entityType\": \"GeographicFeature\", \"entity\": \"Harvey flood\" },{ \"entityType\": \"Country\", \"entity\": \"United States\" }]";
	



				
				

/* setting vars here; moved core js to media server in movabletype.js */
	window.blogId = 8001831;
	window.blogIdStr = "&blog_id=8001831";
	window.blogURL = "http://www.nola.com/environment/index.ssf/";
	window.blogType = "text";
	window.blogLayout = "impact";

	window.advAffiliate = "nola";
	window.advDomain = "nola.com";
	window.advEnvPrefix = "";
	window.advVersion = "alpha";

	window.mtAffiliate = "nola";
	window.mtArmorValue = "d0cbcf3d2937bffc821a7f865c5c6945784ee1b6";




				
				window.Social = {
            'title':'Carp, clams and crested floating-hearts: Louisiana on alert for invasive species',
            'link':'http://www.nola.com/environment/index.ssf/2017/09/hurricane_harvey_invasive_species.html',
            'desc': 'Federal agency launches new app to identify aquatic pathways for migration',
	    'thumbnail': 'http://media.nola.com/environment/photo/23467170-standard.jpg'
   };


				
				/* ]]> */
				</script>
				<script type="text/javascript">
					window.mtCookieName = "mt_blog_user";
					window.mtSessionCookieName = "mt_commenter";
					window.mtCookieDomain = document.location.host.replace(/([0-9a-z\-]+?\.)+([0-9a-z\-]+?\.[a-z]{3})/, ".$2");
					window.mtCookiePath = "/";
					window.mtCookieTimeout = 14400;
					window.signinSubDomain = window.advEnvPrefix.match("dev") ? "http://signup" : "https://signup";
					window.mediaURL = "http://media" + window.advEnvPrefix + "." + window.advDomain + "/design/" + window.advVersion;
					window.avatarURL = "http://media" + window.advEnvPrefix + "." + window.advDomain + "/avatars";
					window.mtRegistrationAllowed = !0;
					window.mtRegistrationRequired = !0;
					window.mtRegisterCGIPath = window.signinSubDomain + window.advEnvPrefix + ".advance.net/";
					window.mtRelativeCGIPath = "/cgi-bin/mte/";
					window.mtCommunityScript = "community/";
					window.mtCaptchaFields = "";
					
					window.mmm = {
						caption: "A new USGS web-based application shows where invasive species potential spread through Hurricane Harvey flood waters.",
						credit: "",
						id: "23467170",
						
						type: "photo",
						url: "http://media.nola.com/environment/photo/23467170-small.jpg"
						
					};
					
				</script>
				<script type="text/javascript" src="http://static.advance.net/static/nola/static/js/cal.4.js"></script>
				<script type="text/javascript">
				(function(a,b,c,d){
				var affiliate = ARCS.lmg;
				affiliate = (affiliate === 'mardigras') ? 'nola' : affiliate;
				a='//tags.tiqcdn.com/utag/advancedigital/' + affiliate + '/prod/utag.js';
				b=document;c='script';d=b.createElement(c);d.src=a;d.type='text/java'+c;d.async=true;
				a=b.getElementsByTagName(c)[0];a.parentNode.insertBefore(d,a);
				})();
				</script>
			
		

		
	</body>
</html>

	



