Slime proves valuable in developing method for counting salmon in Alaska
Scientists have published a novel method for counting Pacific salmon—analyzing DNA from the slime the fish leave behind in their spawning streams.
Scientists have published a novel method for counting Pacific salmon—analyzing DNA from the slime the fish leave behind in their spawning streams.
Ecology
Jan 3, 2019
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216
Hansen Creek, a small stream in southwest Alaska, is hard to pick out on a map. It's just over a mile long and about 4 inches deep. Crossing from one bank to the other takes about five big steps.
Ecology
Oct 23, 2018
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7
Each year on the United Nations-designated World Water Day, March 22, people around the world consider the importance of fresh water to ecosystems and to us. On World Water Day 2018, the National Science Foundation (NSF) ...
Ecology
Mar 22, 2018
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34
Kodiak brown bears are abandoning salmon-their iconic prey-due to climate change, according to a new study.
Ecology
Aug 23, 2017
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283
A recent study from UBC's Okanagan campus identifies new genetic markers in sockeye salmon that can help improve management of fish populations.
Ecology
May 25, 2017
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2
About 4,000 endangered Snake River sockeye salmon have been evacuated from a flood-threatened hatchery in southwestern Idaho.
Ecology
Mar 30, 2017
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4
One of Alaska's most abundant freshwater fish species is altering its breeding patterns in response to climate change. This could impact the ecology of northern lakes, which already acutely feel the effects of a changing ...
Ecology
Jan 19, 2017
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9
Sockeye salmon that evolved in the generally colder waters of the far north still know how to cool off if necessary, an important factor in the species' potential for dealing with global climate change.
Ecology
Dec 7, 2016
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7
Water bubbles and the distant rumble-swoosh of rapids can be heard upstream. On shore the occasional bird calls from the surrounding forest. Under the water you are fighting your way upstream, acutely aware of your waning ...
Ecology
Mar 2, 2016
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4
Even fish look forward to retirement.
Ecology
Oct 28, 2015
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38