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Saving the Salmon Introduction Native Americans the first humans in this area have used salmon for several thousands of years Presently seven species of salmon are on the endangered species list In addition to natural problems salmon have to deal with the problems brought on by human technologies Logging overfishing and water pollution by cattle waste pesticides and herbicides are only a few of the difficulties salmon deal with History Salmon began to evolve into the species around today about six million years ago Salmon have been used as a food source for humans for thousands of years Humans used large numbers of salmon as far back as 9000 years ago The early salmon runs were perhaps the most productive in the history of salmon The Colombia River made netting spearing and trapping the fish pretty easy for the native people During the Ice Age salmon took refuge in areas such as the southern Oregon coastline the California coastline and the Queen Charlotte Islands of British Colombia These areas were not covered in ice or affected by unstable rivers Salmon were most likely more abundant when the climate was cool and wet and less abundant during warm dry periods The main species of Salmon found in Oregon are Chinook Chum Sockeye and Coho These species are mostly anadromous living most of their lives in the ocean although they are hatched and they spawn in fresh water Some species do spend most of their lives in fresh water and among those that dont the fish migrate at different times These are called runs there are fall runs and spring runs Coho and Chinook salmon inhabit Washington Oregon Idaho and northern California Sockeye chum and pink salmon are found mainly in British Colombia and Alaska Status Seven types of salmon have been places on the endangered species list During the mid-1800s it is estimated that 16 million adult salmon returned to the Colombia River
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