DAVENPORT, Calif. — By now, water would typically be ripping down Scott Creek, and months ago it should have burst through a berm of sand to provide fish passage between freshwater and the ocean.
Instead, young coho salmon from this redwood and oak-shaded watershed near Santa Cruz last week were swirling around idly in a lagoon. There has been so little rain that sand has blocked the endangered fish from leaving for the ocean or swimming upstream to spawn.
Scott Creek is one of dozens of streams across California where parched conditions have put fish in immediate danger. With the drought, stream flows have been so low that even months into winter, sandbars have remained closed and waters so shallow that many salmon have had their migratory journeys obstructed.
To prevent further stress to salmon and steelhead, state wildlife officials have closed dozens of rivers and streams to fishing, including all coastal streams west of California 1. A storm that soaked parts of Northern California over the weekend should offer a short respite, but experts say streams like Scott Creek will need several inches of rain a week to stay open and connected to the ocean.
Nowhere is the situation more pressing than on California's North and Central Coast, where a population of only a few thousand coho salmon were already teetering on the edge of extinction.
"This is the first animal that will feel the impacts of the drought," said Jonathan Ambrose, a National Marine Fisheries Service biologist who stood at the sand-blocked mouth of Scott Creek to offer his assessment Wednesday. "It's going to take a lot of rain to bust this thing open. And if they can't get in by the end of February or March, they're gone."
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