This is the first 1,000 characters of 574 words (2.3 pages) in the essay titled 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
and it's destructiveness to the environment, pollution, and overfishing are the
three main causes for the decline. The Chinook salmon is known for traveling
the greatest distance back to its spawning grounds, often traveling one to two
thousand miles inland. This long journey is now often interrupted by
hydroelectric plants. Hydropower is a very good alternative resource for power,
however it is very damaging to our salmon populations. The dams...
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