{"id":2256,"date":"2015-06-23T09:45:25","date_gmt":"2015-06-23T13:45:25","guid":{"rendered":"http:\/\/blogs.nybg.org\/science-talk\/?p=2256"},"modified":"2015-06-23T10:57:46","modified_gmt":"2015-06-23T14:57:46","slug":"tracking-a-freshwater-invader-across-new-york-and-new-england","status":"publish","type":"post","link":"https:\/\/www.nybg.org\/blogs\/science-talk\/2015\/06\/tracking-a-freshwater-invader-across-new-york-and-new-england\/","title":{"rendered":"Tracking a Freshwater Invader across New York and New England"},"content":{"rendered":"

Robin Sleith<\/a>, a Ph.D. candidate in the Commodore Matthew Perry Graduate Studies Program at The New York Botanical Garden, is researching algae under the direction of Kenneth G. Karol, Ph.D., Associate Curator in the Cullman Program for Molecular Systematics and the Botanical Garden’s specialist in algae.<\/em><\/span><\/p>\n

\n
\"Robin<\/a>
The 400 lakes surveyed in the summer of 2014
Credit: Robin Sleith<\/figcaption><\/figure>\n
\"Robin<\/a>
The star-shaped bulbil of Nitellopsis obtusa<\/em> that gives rise to it common name, starry stonewort
Credit: Robin Sleith<\/figcaption><\/figure>\n

This summer, a team from The New York Botanical Garden will set out for the second year to document the diversity of green algae that live in hundreds of lakes in the northeastern United States and determine the distribution of an invasive freshwater alga species, Nitellopsis obtusa<\/em>, or starry stonewort.<\/p>\n

Starry stonewort, which is native to Europe and western Asia, is replacing native plant species and threatening the habitat and food sources of small fish and invertebrates in the lakes where it is found. Growing to a height of seven feet in water as deep as 30 feet, starry stonewort forms dense mats that out-compete native species.<\/p>\n

First discovered in the St. Lawrence Seaway in 1978, it has spread at an alarming rate through the Great Lakes and into inland lakes in New York State. It is easily transported from lake to lake as plant debris caught in boat trailers.<\/p>\n

\"Robin<\/a>
Graduate student Robin Sleith with starry stonewort (Nitellopsis obtusa<\/em>). Note the setting: this alga is often found in areas of high human traffic.
Credit: Robert Stewart.<\/figcaption><\/figure>\n

Last summer, we surveyed 400 lakes throughout New York State for starry stonewort and other green algae. Grappling hooks in hand, we traversed the state on week-long excursions, averaging 10 lakes per day. At each lake, we used the grappling hooks to gather algal specimens and also collected water-chemistry data and documented physical characteristics. There was no shortage of excitement on our journey, owing to multiple tornado warnings, many bear-sightings, and countless beautiful vistas.<\/p>\n

We found starry stonewort in lakes across New York, from Jamestown to Potsdam, but did not find it within the boundaries of Adirondack Park. This is good news for the millions who visit the Park annually. The Adirondack region has a strong Watershed Stewardship Program, and we are partnering with this program to raise awareness about starry stonewort and the measures that can be taken\u2014such as cleaning and fully drying boats and gear\u2014to keep this invasive out of Adirondack lakes and ponds.<\/p>\n

Now\u00a0we are taking our grappling hooks to New England to conduct a similar survey of lakes, so stay tuned for more updates.<\/p>\n

This slideshow requires JavaScript.<\/p>

<\/div>\n","protected":false},"excerpt":{"rendered":"

Interesting Plant Stories: Tracking a Freshwater Algae Invader across New York and New England<\/p>\n","protected":false},"author":47,"featured_media":2273,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false},"categories":[17],"tags":[548,144,172,549,545,547,141,546],"yoast_head":"\nTracking a Freshwater Invader across New York and New England - Science Talk Archive<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.nybg.org\/blogs\/science-talk\/2015\/06\/tracking-a-freshwater-invader-across-new-york-and-new-england\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tracking a Freshwater Invader across New York and New England - Science Talk Archive\" \/>\n<meta property=\"og:description\" content=\"Interesting Plant Stories: Tracking a Freshwater Algae Invader across New York and New England\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.nybg.org\/blogs\/science-talk\/2015\/06\/tracking-a-freshwater-invader-across-new-york-and-new-england\/\" \/>\n<meta property=\"og:site_name\" content=\"Science Talk Archive\" \/>\n<meta property=\"article:published_time\" content=\"2015-06-23T13:45:25+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2015-06-23T14:57:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.nybg.org\/blogs\/science-talk\/content\/uploads\/2015\/06\/catskills-1200x900.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Robin Sleith\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.nybg.org\/blogs\/science-talk\/#website\",\"url\":\"https:\/\/www.nybg.org\/blogs\/science-talk\/\",\"name\":\"Science Talk Archive\",\"description\":\"Exploring the science of plants, from the field to the lab\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.nybg.org\/blogs\/science-talk\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.nybg.org\/blogs\/science-talk\/2015\/06\/tracking-a-freshwater-invader-across-new-york-and-new-england\/#primaryimage\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/www.nybg.org\/blogs\/science-talk\/content\/uploads\/2015\/06\/catskills-1200x900.jpg\",\"contentUrl\":\"https:\/\/www.nybg.org\/blogs\/science-talk\/content\/uploads\/2015\/06\/catskills-1200x900.jpg\",\"width\":1200,\"height\":900,\"caption\":\"A bed of native common stonewort, Chara contraria, visible under the lily pads. 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