The declining salmon and whale numbers raise a critical question: Is the southern resident killer whale population solely reliant on the abundance of salmon? And, if so, since when?
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Articles on Chinook salmon
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A study of viral variants finds Piscine orthoreovirus continuously spills over from farmed salmon to wild salmon.
As climate change warms northern rivers and changes precipitation patterns, some types of cold-loving fish are failing.
Regulations have lowered mercury emissions globally, but the risks to ocean ecosystems and human health may be getting worse.
Noisy waters may be making it harder for southern resident killer whales to communicate with each other and find their food.
Top contributors
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Conservation Planning Biologist, Wildlife Conservation Society Canada and Adjunct Professor of Conservation Biology, University of Saskatchewan
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Associate Professor and York University Research Chair in Global Change Biology, York University, Canada
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Associate Professor, School for Resource and Environmental Studies, Dalhousie University
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Master's student, Dalhousie University
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Liber Ero Postdoctoral Fellow, Department of Medicine, University of British Columbia
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Research Associate (Ocean Litter Project)/ Principal Investigator (Ocean Pollution Research Unit), University of British Columbia
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Postdoctoral fellow, Cooke Lab, Carleton University
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PhD Candidate, Institute for the Oceans and Fisheries, University of British Columbia
