Tag Archives: salmon protection

Climate change spawns salmon dilemma for San Joaquin River

Skeptical farmers often ask a big key question about the $2 billion revival of the San Joaquin River and salmon runs: How can cold-water salmon possibly survive here as the climate heats up the river?

Prominent fishery biologist Peter Moyle replies that the San Joaquin will be an ideal place for salmon in the future. It will be a pipeline of chilly snowmelt from the high Sierra.

But for years, nobody has been able to settle that debate with science. Now, using a $1.5 million National Science Foundation grant, the University of California at Merced is working on at least part of the answer — a profile of the future San Joaquin River. Continue reading

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Team of scientists gather to critique EPA’s mine study

A dozen experts in relevant fields are being paid to review the U.S. Environmental Protection Agency’s study of how a large mine would affect Bristol Bay’s prized salmon runs. Continue reading

Politicians struggle to limit genetically altered fish

The latest move by politicians to limit or ban the sale of genetically modified fish has been stymied. Continue reading

Boom-and-bust salmon catch is booming again

After years of going begging, Northern California is awash in salmon. Charter boats are booked up to two weeks in advance, and anglers claim to be bagging their limits before noon. The smell of gurry and the glimmer of scales are back at San Francisco’s Pier 45, where commercial fishermen unload their catch. Continue reading

Study: California must improve salmon, steelhead hatcheries

Most of the salmon caught in California come from hatcheries in the Sacramento Valley, yet it turns out not much is known about these fish even though they are bred by hand. Continue reading

Copper making salmon prone to predators

Minute amounts of copper from brake linings and mining operations can affect salmon to where they are easily eaten by predators, says a Washington State University researcher. Jenifer McIntyre found the metal affects salmon’s sense of smell so much that they won’t detect a compound that ordinarily alerts them to be still and wary. Continue reading

Fish return to undammed Elwha River

First hope for salmon and trout restoration in biggest dam-removal project in US history Continue reading

Court: Can EPA regulate mud from logging roads?

The timber industry is hoping that the U.S. Supreme Court will maintain business as usual on controlling muddy water running off logging roads into salmon streams. Continue reading

Salmon revival in sight as Elwha River dams fall in U.S. Northwest

In the wilderness of Washington state’s Olympic National Park, hydraulic hammers chip away at the Glines Canyon Dam in the largest dam-removal project in U.S. history. Continue reading

Now Off Case, Judge Weighs In on Dams

A federal judge who spent a decade presiding over one of the most contentious environmental court fights in the Northwest — the fate of endangered salmon in the Columbia River Basin and four hydroelectric dams that interrupt their migration — has said in a recorded interview that the dams should be removed to help the fish. Continue reading

Fed evaluation: 3 more pesticides may harm salmon

A draft federal evaluation has found that three more common pesticides used on home lawns and agricultural crops jeopardize the survival of West Coast salmon. Continue reading