Grocery shoppers who want to buy wild salmon this year are going to have pay some wild prices. The California and Oregon seasons have been suspended, leaving only a trickle of fish in Alaska to be eaten.
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Salmon Virus Indicts Chile’s Fishing Methods A virus called infectious salmon anemia, or I.S.A., is killing millions of salmon destined for export to Japan, Europe and the United States. The spreading plague has sent shivers through Chile’s third-largest export industry, which has left local people embittered by laying off more than 1,000 workers.
It has also opened the companies to fresh charges from biologists and environmentalists who say that the breeding of salmon in crowded underwater pens is contaminating once-pristine waters and producing potentially unhealthy fish.
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Environmentalists say the salmon are being farmed for export at the expense of almost everything else around. The equivalent of 7 to 11 pounds of fresh fish are required to produce 2 pounds of farmed salmon, according to estimates.
Salmon feces and food pellets are stripping the water of oxygen, killing other marine life and spreading disease, biologists and environmentalists say. Escaped salmon are eating other fish species and have begun invading rivers and lakes as far away as neighboring Argentina, researchers say.
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Meanwhile, neighboring fishermen who have been affected by the fish-farming industry can only hope for better days. Mr. Guttierrez, 33, said that just six years ago he and his fishing partner would haul in 1,100 pounds of robalo on a typical day. On a recent day he pointed to that morning’s catch of only 88 pounds in a cooler in the bed of a pickup truck.
He lamented the changes he had observed in the fish: they are rosier than before, and their skin is flabbier. He said he suspected that the wild fish were eating the same food pellets that the salmon were being fed, which he said were falling to the sea floor.
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http://www.nytimes.com/2008/03/27/world/americas/27salmon.html?_r=1&partner=rssnyt&emc=rss&oref=slogin____________________________________________________________________
Pine beetle infestation impacting salmon runsVANCOUVER - If the heat of climate change weren't enough of a danger to Pacific salmon, scientists are cataloging how the effects of the global-warming-aided mountain pine beetle infestation are adding to salmon's woes.
The grain-of-rice-sized beetles have chewed through interior pine forests covering an area four-times the size of Vancouver Island, a report released Tuesday by the Pacific Fisheries Resource Conservation Council notes.
Some 60 per cent of the Fraser River watershed is affected, with loss of forest cover over salmon streams that has led to numerous impacts that "significantly alter the watershed's ecology, threatening already stressed salmon runs."
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http://www.canada.com/vancouversun/news/story.html?id=7c22a715-f210-4ee0-92c2-a6282428ebbf&k=48776