Abnormal migration timing and high en route mortality of sockeye salmon in the Fraser River, British Columbia

Article Abstract:

The shift in the peak migration season of the sockeye salmon (Oncorhynchus nerka) in the Fraser River in British Columbia, Canada by more than 6 weeks is reported. However, fisheries managers are unable to effectively allocate harvest quotas, while ensuring that sufficient fish are able to not only reach the spawning sites, but also successfully reproduce.

British Columbia

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Dams and fish/shrimp migrations in Mesoamerica - worldwide implications

Article Abstract:

Dam proposals in Mesoamerica are threatening to eliminate diversity of ecosystems throughout the region. Biologists and activists should actively take part because the threat to fisheries is not only in the entire region but worldwide.

Central America, Puerto Rico, Environmental aspects, Dams

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Bristol Bay sockeye salmon genetic structure

Article Abstract:

The genetic and ecological structure of sockeye salmon fishery found in Bristol Bay, Alaska is discussed. This is one of the largest commercial fisheries in North America with annul production of 5-40 million.

Alaska, Genetic aspects, Natural resources, Bristol Bay

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