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Mission One, To Fight Scum


Martin Woess and his aquatic weed harvester dubbed the Lake Mess Monster has been busy clearing the waters of Prospect Park.  Once a week Woess climbs aboard his weed harvester to collect the scum which consists mostly of duckweed and azolla which would quickly take over the pond if left unchecked.  New York City owns two of these specialized boats the other is in service at Central Park's Harlem Meer. 

Greenish growths on lakes, ponds and rivers are common across the U.S., typically blamed on excess nitrogen in runoff water carrying fertilizer from farmland. The problem in Prospect Park and Central Park is different: the artificial lakes and ponds, designed by Frederick Law Olmsted and Calvert Vaux, are filled with the same water that New Yorkers drink. The potassium-enriched tap water helps the scum flourish.  The mild winter and hot summer have exacerbated the problem this year.


 
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Broward Canal Yields the Largest Invasive Snakehead Fish - A 14-pound, three-ounce bullseye snakehead, a member of an exotic family of aggressive, fast-growing, razor-toothed air-gulper fish was pulled from the Margate canal recently. The snakehead is an Asian invader and while the fish hasn’t proven much of a monster in Northwest Broward, where it was first discovered in a lake in 2000 and has been corralled by the canal systems’ flood-control gates and water structures, the capture does show that the population is quite healthy in South Florida.


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