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The Beginning of an Invasion
While busy combating one invasive species, Eurasian watermilfoil, a new invasive species, hydrilla, has been found in New York.

At least three mats of hydrilla have been located, which Bob Johnson, retired Cornell University biology professor says can grow up to a foot a day, creating dense mats from bottom to surface in water up to 25 feet deep. Hydrilla fragments can easily be transported by boats and boat trailers which can sprout roots and establish new populations.

To prevent the spread of hydrilla or introduction of other non-native species, users of the Cayuga Inlet are urged to remove any plants, mud or debris from boats or equipment that came in contact with water, drain any water from boats before leaving the launch area, and clean and dry anything that came in contact with water, including, boats, trailers, gear, clothing, pets.

Hydrilla is believed to have been introduced to the United when someone dumped an aquarium in a Florida waterway in the 1950’s. It has since spread throughout much of the Eastern United States, from Florida to Maine, and into a number of Western states. It is the first time it has been found in the Finger Lakes.

 
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Lake Whatcom Water Quality Issues - The lack of oxygen is caused by algae growth which is fed by large quantities of phosphorous. The phosphorous comes from the soils and hillsides, but also comes from fertilizers and animal waste. In the summer of 2009 the city of Bellingham had to restrict water use because there was so much algae in the lake which was clogging the filters on the city water pipe and making it hard for water to get through.


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