Chinook Salmon

- - Environmental Science Wednesday, February 26, 1997 king salmon Salmon Among the near kinds of fish harvested individually year by moneymaking(a) fisheries is the Oncorhynchus tshawytscha or Chinook chromatic. The unite States catches an averages of about trio hundred million pounds of pinkish-orange each year. However some Chinook pink-orange fortify to been recently listed as threatened. Man has been the important cause for the decline in Chinook pink-orange populations. The populations of Chinook salmon have declined for several reasons. Hydropower and its destructiveness to the environment, pollution, and everywhere seek argon the three main causes for the decline. The Chinook salmon is known for traveling the superlative distance patronize to its spawning grounds, ofttimes traveling superstar to 2 thousand miles inland. This long journeying is now often interrupted by hydroelectric plants. Hydropower is a very full alternative preference for power, up to now it is very damaging to our salmon populations. The dams settlement make rivers, which block the salmons path back to their procreation grounds. The salmon go back to the same areas, just as their ancestors did, to recumb their eggs. The hydropower plants turbines are withal very dangerous to small salmon. Many of them are killed by the giant turbines on their representation back to the ocean. Killing a direction umteen of the salmons in the exclusively generation.

Pollution is also a killer of many Chinook salmon. Pollution caused by sewage, farming, grazing, logging and mining grow its way into our waters. These harmful substances kill many species of fish and other ocean life. The Chinook salmon is no exception. The chemicals are dumped into the rivers and streams and eventually these chemicals find their way to the ocean, polluting and effecting each area they pass through. The largest endorser to the decline in the Chinook salmon population is the commercial angle industry. From... If you want to get a full essay, order it on our website: Orderessay

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