Category Archives: aquatic weeds

Simulating an Invasion! Scientists take a look at overland transport of Eurasian watermilfoil

ewm frags

EWM fragments. Photo Credit: Brett Hartis

The word “invasion” strikes fear in the minds of many, envisioning occupation by foreign entities bent on plunder and destruction.  An invasion, in fact, is the aggressive entry of an outside force to occupy the space of another.  In aquatic systems of the northern United States, Eurasian watermilfoil (EWM) fits the bill of an invader to a T.

 

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An inch per day? Scientists’ investigation sheds light on invasive submersed plant growth potential

We’ve all heard horror stories of invasive submersed aquatic plants expeditiously expanding across a water body in what seems like a matter of days.  Many of us have likely even seen this with our own eyes.  Two of the most well known invaders for their seemingly prolific expansion are Hydrilla and Eurasian watermilfoil (EWM).  (more…)

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Teachers get a hands-on lesson in Florida ecology

Photo by Erica Brough/Staff photographer

Photo by Erica Brough/Staff photographer

Todd Space has been teaching biology to high schoolers for years, but this week he’s a student. Standing outside the University of Florida’s Center for Aquatic and Invasive Plants, with mud on his shoes from tramping around the pond, he admitted it felt good to switch roles.
“It’s nice to learn once in a while,” Space said. Space and 23 other educators from around the state are participating in Plant Camp 2013, a weeklong workshop where teachers trade their classrooms for the outdoors and learn about Florida’s native flora and fauna. READ MORE
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Cree Lake resident starts aquatic weed business

Kendallville – When the Cree Lake resident noticed that aquatic weeds were choking out Cree Lake’s channels, he decided to take action. Following training and testing he became an Indiana licensed aquatic applicator.
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Students join effort to stop spread of weeds

Currently, the North Carolina Aquatic Weed Control Program spends nearly $500000 a year on controlling aquatic invasive species.
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Leoni Township to hold last public hearing, special assessment for weed control in Michigan Center Lake

LEONI TWP., MI – With one public hearing left, the Leoni Township Board of Trustees is close to approving a special assessment for aquatic weed control in the Michigan Center Lake. There are 297 residents who pay $150 annually to have weeds treated in the lake.
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Thurston County Noxious Weed Agency Coordinator Honored Nationally

An upriver soldier in the state’s battle against invasive species has been recognized nationally for keeping an aquarium plant from taking over the Chehalis River system.
Rick Johnson, Coordinator of the Thurston County Noxious Weed Agency in Washington State, is recognized by the US Department of the Interior for his 34-year record of commitment to invasive plant management, and has served on multiple weed management committees, boards and associations. Rick led a program for the management of Brazilian Elodea in the Chehalis River system, an initiative which spanned multiple agencies over the course of ten years.

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Grass-eating fish help keep lake’s weeds in check

MOORESVILLE – Officials from Duke Energy, the the Lake Norman Marine Commission and the state of North Carolina gathered at the Davidson College Lake Campus in Mooresville one morning last week for a fish release. Not game fish, but “grass carp,” which the state has been using for more than a decade to control the growth of invasive hydrilla on Lake Norman. READ MORE
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Eugene takes steps to fight invasive water weed

EUGENE, Ore. (AP) — Officials in Eugene are taking steps to stop an invasive water plant from spreading from a city park.
The aquatic weed Ludwigia hexapetala (lood-WIG’-ee-ah hex-ah-pet-AL’-a) is a South American creeping water primrose.
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Imported fish keep weeds at bay

Duke Energy intern Josh Bowen watches as 300 sterile grass carp are released April 23 into Lake Norman on the Davidson College Lake Campus. Grass carp are imported to the lake each year to control Hydrilla. About 10 years ago, it was discovered that the invasive weed was growing over about 400 acres of the lake, Lake Norman Marine Commission Executive Director Ron Shoultz said. READ MORE
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