Salmon help their offspring by dying on the spawning grounds
Spawning salmon that die after migrating home actually do their offspring a favor.
Ecology
Dec 15, 2017
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Page 8 - News tagged with salmon
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fish
· food and drug administration
Recovery of West Coast marine mammals boosts consumption of chinook salmon
Recovering populations of killer whales, sea lions and harbor seals on the West Coast have dramatically increased their consumption of chinook salmon in the last 40 years, which may now exceed the combined harvest by commercial ...
Ecology
Nov 20, 2017
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Males rapidly adjust sperm speed to beat rivals, study finds
Joint research by the University of Otago and University of Canterbury has revealed that male salmon can adjust their sperm's swimming speed if competing with a rival to reproduce.
Plants & Animals
Oct 30, 2017
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Climate change, population growth may lead to open ocean aquaculture
A new analysis suggests that open-ocean aquaculture for three species of finfish is a viable option for industry expansion under most climate change scenarios – an option that may provide a new source of protein for the ...
Ecology
Oct 4, 2017
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94
Kodiak bears found to switch to eating elderberries instead of salmon as climate changes
(Phys.org)—A team of researchers affiliated with several institutions in the U.S. has found that warming in Alaska has sometimes caused the Kodiak bear to switch to eating elderberries during salmon spawning periods instead ...
Study reveals the evolutionary history of imperiled salmon stocks
New technologies for analyzing DNA may transform how imperiled species are considered and managed for conservation protection, according to a study published today in the journal Science Advances and led by the University ...
Ecology
Aug 16, 2017
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New research reveals ecosystem cascades affecting salmon
Interpreting relationships between species and their environments is crucial to inform ecosystem-based management (EBM), a priority for NOAA Fisheries. EBM recognizes the diverse interactions within an ecosystem—including ...
Ecology
Aug 1, 2017
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Fussy fish use genetic compatibility to pick partners from afar
When salmon spawn, the sperm of competing males are in an all-or-nothing race to be the first to reach and fertilise the eggs.
Plants & Animals
Jul 27, 2017
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4
Early action key to reducing sea lion impacts on salmon, new study finds
A new study used the same kind of models that scientists use to track disease to instead examine how some California sea lions have learned to prey on salmon gathering to ascend fish ladders at Bonneville Dam.
Ecology
Dec 16, 2016
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24
The golden drool: Study finds treasure trove of info in saliva of foraging bears
The rivers and streams of Alaska are littered in the summer and fall with carcasses of tens of thousands of salmon that not only provide a smorgasbord for hungry brown bears but are also the newest database in the arsenal ...
Ecology
Nov 9, 2016
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