Need homework help on populations of Chinook salmon

Oct 16th, 2015
Anonymous
Category:
Engineering
Price: $5 USD

Question description

Populations of Chinook salmon along the west coast of North America have declined dramatically over the last5 century. Reasons for the decline include overfishing,loss of stream habitat,and pollution. In 1966, the Red Blugg Diversion Dam was built5 across the Sacramento River in northern California to divert water for irrigation. Fish ladders bypassing the dam and a fish-counting facility were constructed at the same time. In 1967, when counting began, approximately 86,500 Chinook run declined at an average rate of 18.1% per year, according to a 1998 report from NOAA.

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