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Dom Post: Study links runoff to smaller trout

Peter Griffin posted in on July 14th, 2010.

Marty Sharpe writes in the Dominion Post about a study showing that farm runoff (nitrates) going into the Taharua and Mohaka rivers  is making trout smaller. The effect on size is due to the increased algal levels in the water – the rivers’ clarity and food value decrease, meaning smaller trout. An excerpt: (read in […]

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