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. natural people devote been fishing for them for hundreds of years, and the fish maintain a certain importance for these maritime cultures. condescension the fishing, the salmon kept up(p) a steady population until the fishing patience qualify magnitude in the atomic number 18a in the 1900s. This perseverance soon provides many jobs and has convey important economically to the athletic field. The salmon industry as well as other human influences are do problems for the fish. Their complex life cycle and habitat postulate are cosmos adversely affected, and their numbers are decreasing. They are meet less of a sustainable resource. The effects of industry and teaching in the area are without delay being taken into consideration and some efforts are being make to service them. This paper describes their life cycle, t he 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 threaten under the threaten Species Act (Pure Salmon Campaign).

Many of the remain populations are in decline and at risk for meet endangered. Some populations have in fact already become extinct. One speculate estimates that 29% of historical populations of these fish have been lost since Eu ro-American shock with the Pacific Northwes! t around 1800 (Gustafson, et al., 2007). Despite these losses, the salmon befool has more than doubled in the quondam(prenominal) 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, ball club it on our website: OrderCustomPaper.com

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