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Rising stream temperatures could spell trouble for salmon

Posted by: | November 7, 2012 Comments Off |

A newly published study by researchers at Oregon State University and two federal agencies concludes that high temperatures coupled with lower flows in many Northwest streams is creating increasingly extreme conditions that could spell trouble for salmon and other organisms.

The study, published in the professional journal Hydrobiologia, was funded and coordinated by the U.S. Geological Survey and the research branch of the U.S. Forest Service. It points to climate change as the primary cause.

“The highest temperatures for streams generally occur in August, while lowest flows take place in the early fall,” said Ivan Arismendi, a research professor in OSU’s Department of Fisheries and Wildlife. “Each period is important because it is a time of potentially high stress on the organisms that live in the stream. If they occur closer in time – or together – they could create double trouble that may be greater than their combined singular effects.”

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under: climate, environment, fisheries, research, salmon

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