Salmon Populations in the Northwest

Salmon argon an important resource in the peaceable Northwest. They support provided food and shaped the region for many an(prenominal) geezerhood. natal people hurt been fishing for them for hundreds of years, and the fish maintain a certain importance for these maritime cultures. scorn the fishing, the salmon unplowed up(p) a steady population until the fishing exertion channelise magnitude in the ambit in the 1900s. This industry soon provides many jobs and has start important economically to the area. The salmon industry as well as other human influences are do problems for the fish. Their complex life cycle and habitat call for are organism 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, the difficulties they face, and t he attempts at restoring population by press out and federal government. There are several(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 jeopardise under the threaten Species Act (Pure Salmon Campaign).

Many of the be populations are in decline and at risk for becoming 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 Pacific Northwest around 1800 (Gustafson, et! al., 2007). Despite these losses, the salmon befool has more than doubled in the one-time(prenominal) 15 years from less than 800,000 pounds to over 1.8 meg 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, ensnare it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper