Large die off of #Salmon in #Alaksa, #USA

Locals first noticed the die-off of Salmon and scientists descended on the field to study the issue. The Yukon Inter-Tribal Fish Commission got involved. Its director, Stephanie Quinn-Davidson, accompanied by a team of scientists, took a trip along the Koyukuk River in Alaska at the end of July to gather first-hand information. They counted 850 dead unspawned salmon and felt the actual figure could be much higher.

In order to ascertain the cause of death, they cut open the fish and found the eggs intact. They looked for signs of lesions, parasites, and infections. Those were absent and they concluded that the heatwave was responsible for the situation.

Courtesy of us.blastingnews.com

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