Lake Erie 'Dead Zones' Influenced By Weather, Scientists Report

January 6, 2015 7:05 PM

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TRAVERSE CITY, Mich. (AP) — Reducing phosphorus levels in Lake Erie is a worthy goal but not necessarily a cure-all for one of the lake's biggest environmental hazards: "dead zones" with oxygen levels so low that fish can't survive, scientists said Tuesday.

Researchers with the Carnegie Institution for Science said Erie's biggest dead zone on record formed in summer 2012. While phosphorus-laden fertilizer runoff from farms played a part, weather conditions including drought and low flows from tributary rivers and streams were even more influential, the...

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