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Global warming: Gulf of Maine salmon dwindling
Atlantic salmon. Photo: Hans-Petter Fjeld (CC-BY-SA) Increased sea-surface temperatures, shifting wind patterns and increased predation cited as factors in falling populations By Summit Voice SUMMIT...
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Biodiversity: Hatchery salmon not helping wild runs
Salmon species. Researchers stunned by rapid genetic change in hatchery raised salmon SUMMIT COUNTY — Salmon raised in hatcheries may never be able to help replenish wild populations because the traits...
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Disease from Canadian fish farms threaten wild salmon
Pacific salmon species. Conservation groups seek investigation of Canadian aquaculture practices By Summit Voice SUMMIT COUNTY — Diseases and parasites from industrial fish farms in British Columbia...
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Copper is bad news for Coho salmon
Several species of Coho salmon are listed under the Endangered Species Act. Photo courtesy NOAA. Exposure to low concentrations make salmon susceptible to predation By Summit Voice SUMMIT COUNTY —...
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Are fisheries disasters linked with climate change?
Fisheries in Alaska, Gulf of Mexico and New England all hit hard Shrimp boats in the Gulf of Mexico. Photo by Bob Berwyn. By Summit Voice SUMMIT COUNTY — If you had any doubts that at least some — if...
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Do farmed salmon threaten wild populations?
Salmon species. Millions of escaped domestic salmon could overwhelm genetic pool of wild fish Staff Report FRISCO — Farmed salmon represent a clear threat to wild populations based simply on the sheer...
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Environment: EPA to take hard look at impacts of proposed open pit mine in...
Agency likely to restrict mining activities based on concerns about impacts to salmon fishery, other resources Proposed Alaska mine gets careful EPA scrutiny. Donate to the Rocky Mountain Climate...
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Environment: Judge upholds EPA’s review of proposed Pebble Mine, near Bristol...
Salmon fisheries at risk with open-pit mine proposal The EPA will be allowed to do a thorough evaluation of the impacts of a proposed copper mine in Alaska’s Bristol Bay, a federal judge has ruled. By...
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Environment: Rivers recover quickly after dam removal
The Colorado River at Kremmling. @bberwyn photo. Study findings will help river restoration efforts Staff Report FRISCO — Scientists say rivers recover quickly when dams are removed. In some cases, it...
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Can floodplain restoration help endangered salmon in Oregon’s Tillamook Bay?
Cooperative project aims to reduce flood risks and improve salmon habitat Staff Report FRISCO — A proposed floodplain restoration project in Oregon’s Tillamook Bay will reduce flood risks to local...
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Drought spurs emergency fishing ban in Olympic National Park
Stream temps reaching levels lethal to salmon Tough times for salmon in the Pacific Northwest. Photo via USGS. Staff Report FRISCO — With water temperatures approaching lethal levels for salmon, the...
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Environment: Canadian mine, energy developments stir trans-border unease in...
Ecosystems in a transboundary region are at issue in a series of upcoming meetings in Alaska. Map courtesy Rivers Without Borders. Alaska communities seek international review of Canadian projects that...
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