Rivers in Alaska and Yukon Warming: Impact on Salmon
Researchers from the Institute of Arctic and Alpine Research at the University of Colorado Boulder have incorporated Indigenous knowledge into their study on the warming of rivers in Alaska and the Yukon.
The North, including Alaska and the Yukon, is warming at a faster rate than the rest of the world due to climate change, prompting concerns about the effects on baby salmon hatching in these rivers.
- Porcupine River
- Teedriinjik River
- Aniak River
- Andreafsky River
- Koyukuk River
- Takotna River
- Chena River
A recent study found that the warming of the Porcupine River may limit the growth of Chinook salmon, based on the frequency of days and river length that will warm to the upper limit of the temperature range for individual growth.
The Porcupine River connects to the Yukon River at Fort Yukon in Alaska, and flows out to the Bering Sea, where salmon migrate out to sea, returning inland as adults to spawn and then die.
Author's summary: Climate change affects salmon growth in Alaska and Yukon rivers.
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