Tech firms begin to shift from Silicon Valley to San Francisco

Webster's defines a valley as "a stretch of low lands between hills or mountains." But for a growing number of tech entrepreneurs and workers, "Silicon Valley" is a squared-off patch surrounded by water, not mountain ranges.

Growing risks from hatchery fish

A newly published collection of more than 20 studies by leading university scientists and government fishery researchers in Alaska, British Columbia, Washington, Oregon, California, Russia and Japan provides mounting evidence ...

Hatchery fish mask the decline of wild salmon populations

Scientists have found that only about ten percent of the fall-run Chinook salmon spawning in California's Mokelumne River are naturally produced wild salmon. A massive influx of hatchery-raised fish that return to spawn in ...

Scientists worry North Pacific salmon may run out of food

With the number of salmon in the North Pacific having doubled in the past 50 years, scientists are increasingly concerned there may not be enough food to support them, and changing ocean conditions could make it even worse.

Averting the perfect storm for wild salmon

We hear so much about missing wild salmon and recently a record run. But Simon Fraser University scientists say a population explosion of hatchery and wild salmon in the North Pacific Ocean is leading hatchery fish to beat ...

Hatchery fish may hurt efforts to sustain wild salmon runs

Steelhead trout that are originally bred in hatcheries are so genetically impaired that, even if they survive and reproduce in the wild, their offspring will also be significantly less successful at reproducing, according ...

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