salmon
Chinook Salmon
Environmental Science Wednesday, February 26, 1997
Among the many kinds of fish harvested each year by commercial fisheries is the
Oncorhynchus tshawytscha or Chinook salmon. The United States catches an
averages of about three hundred million pounds of salmon each year. However
some Chinook salmon have been recently listed as threatened. Man has been the
main cause for the decline in Chinook salmon populations.
The populations of Chinook salmon have declined for several reasons. Hydropower
…
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…spawning habitat, by improving the general management. They would also like to
develop alternative harvesting methods.
The effects that man has had on the Chinook salmon and many other species of
salmon is very severe, any are labeled as threatened. We can reduce the causes
of their population decrease by reducing the amount of fish we catch annually,
reducing pollution dumped into their habitats, and by developing ways for the
fish to bypass the dams.
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