News tagged with fish population

New research shows fishways have not helped fish

Despite modern designs intended to allow migratory fish to pass, hydropower dams on major Northeast U.S. waterways, including the Merrimack and Connecticut rivers, have failed to let economically important ...

Jan 16, 2013
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Toxic nickel 'found in Finnish lake'

Toxic levels of nickel have been found in a Finnish lake after waste water began to leak from a nearby mine, the government's environmetal agency said on Tuesday.

Nov 13, 2012
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