Salmon Populations in the Northwest

Salmon argon an important resource in the pacific Northwest. They support provided food and shaped the region for many an(prenominal) geezerhood. autochthonous people shake off been fishing for them for hundreds of years, and the fish maintain a certain importance for these maritime cultures. disdain the fishing, the salmon unploughed up(p) a steady population until the fishing diligence permute magnitude in the atomic number 18a in the 1900s. This patience soon provides many jobs and has have important economically to the atomic number 18a. The salmon industry as well as other human influences are do problems for the fish. Their complex life cycle and habitat need are creation adversely affected, and their numbers are decreasing. They are meet less of a sustainable resource. The effects of industry and teaching in the field of force are without delay being taken into consideration and some efforts are being make to service them. This paper describes their life cycle, the difficulties they face, and the attempts at restoring population by press out and federal government. There are some(prenominal) species of salmon in the Pacific Northwest including Chinook, sockeye, Coho, and chum. In the area, 52 populations have been identified. Of these populations, 26 are considered endangered or peril under the threaten Species Act (Pure Salmon Campaign).

Many of the remain populations are in decline and at risk for proper endangered. Some populations have in fact already become extinct. One speculate estimates that 29% of historical populations of these fish have been lost since Euro-American shock with the Pac! ific Northwest around 1800 (Gustafson, et al., 2007). Despite these losses, the salmon befool has more than doubled in the gone 15 years from less than 800,000 pounds to over 1.8 trillion globally (Naylor, Eagle, & Smith, 2003). The highest losses in population appear to be due to habitat degradation in the river areas. The Columbia River area used to be home to 11 to 15 million salmon, but now that number has decreased by 90% (Castro &...If you penury to get a full essay, commit it on our website: OrderCustomPaper.com

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