Automotive toxicants killing coho spawners in Western US

摘要

Stormwater runoff containing contaminants from motorized vehicles and roads might be killing adult coho salmon {Oncorhynchus kisutch) in Washington State, USA, putting future populations at risk.Forty percent of the Puget Sound river basins have been included in a study's hotspot vulnerability map. Loss to die-rates has been estimated at 60 to 90% of an entire fall run within a given urban stream.