Category Archives: APMS Blog

MMDA wages war on water hyacinths

The Metropolitan Manila Development Authority (MMDA) has started using a locally developed “water hyacinth harvester” to speed up the removal of the fast-growing aquatic plant, a river-choking nuisance partly blamed for flooding in the metropolis.

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Aquatic Invasive Species (AIS) Water Watch – Volume 1 Issue 2 (Fall 2011)

Information from the Fall 2011 meeting of the Gulf & South Atlantic Regional Panel (GSARP) on Aquatic Invasive Species.

Highlights include

  • AVM Threat Linked to Invasive Aquatic Plants
  • Why People Release their Pets into the Environment
  • Zebra Mussels in North Texas

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Hydrilla gains hold in Buggs Island Lake

Steve Hoyle, an aquatic weed specialist with N.C. State University who spoke at the Clarksville Lake Issues Committee symposium Thursday, confirmed that the invasive weed hydrilla has established itself in Kerr Reservoir/Buggs Island Lake.

“We don’t know what’s in Kerr. That’s a big question mark,” he said.

He said a rough survey of the North Carolina portion of the lake last fall provided the first documentation. 

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PRVWSD Spraying For Hydrilla

Herbicide Applications to be conducted at the Ross Barnett Reservoir

On September 28 and 29, 2011, herbicide treatments for control of hydrilla will be performed at the Ross Barnett Reservoir.

The treatment will include liquid application of herbicides Reward and Komeen, which are approved by the EPA for aquatic use. The use of these herbicides at the prescribed rate for hydrilla control does little or no damage to the native vegetation species present in the treatment areas.

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Legislature Approves Funds to Eradicate Hydrilla

Meeting in special session, the Legislature approved an emergency appropriation of $26,100 in contingency funds to enable chemical treatment to eradicate the invasive plant species Hydrilla from the Cayuga Inlet.  The vote was a unanimous 11-0, with Legislators Kathy Luz Herrera, Leslyn McBean-Clairborne, Frank Proto, and Brian Robison excused.  

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Hydrilla Discovered In Davis Stream

The invasive aquatic plant hydrilla was found recently in Davis Stream in Jefferson. The infestation is the second instance of the plant in the Damariscotta Lake watershed.

In addition to removal efforts already underway in the stream, officials from the Maine Department of Environmental Protection are pursuing restrictions on surface activity beginning about 200 feet upstream of the Jefferson Market.

For now, all boaters are strongly encouraged to stay out of the stream.  

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Hydrilla Causing Multiple Problems at Lake Varner

Covington’s Lake Varner has anglers talking about something other than the giant bass it produces. The word on lips these days is “hydrilla” and the affects it’s having on fishing, wildlife and the lake’s ability to efficiently produce drinking water.  

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City Closes Cayuga Inlet Due to Hydrilla

Source: The Cornell Daily Sun (New York)
Date Published: 10/06/11

Mayor Carolyn Peterson closed the Cayuga Inlet to all boat traffic and declared a state of emergency on Wednesday in order to eradicate hydrilla, an invasive plant that officials worry will spread to Lake Cayuga, by applying an herbicide.  

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Hydrilla Threatens Finger Lakes

The invasive aquatic plant Hydrilla verticillata, commonly called hydrilla or water thyme, has invaded the Cayuga Inlet. Hydrilla, often referred to as one of the world’s worst invasive aquatic plants, was discovered in mid-August 2011 in the inlet to Cayuga Lake in Ithaca.  

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Hydrilla spotted in Cayuga Inlet, first time in CNY

Source: NewsChannel 9 WSYR (New York)
Date Published: 08/24/11

Ithaca (WSYR-TV) — It’s one of the most aggressive invasive species in the United States and it’s now been spotted in Central New York. For the first time, hydrilla – also known as water thyme – has made its way to the Finger Lakes.
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