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NW Fishletter
NWF.273/April 13, 2010
Feds Prepare For Low-Flow Operations
Federal attorneys filed a proposed order on March 31 in U.S. District Court for spring dam operations that is still in flux. They haven't yet decided whether to maximize barging for spring smolts this year because of expected low flows in the lower Snake River. ...more
Science Panel Pans Feds' Low-Flow Transport Proposal
After reviewing a federal proposal to shut spill and maximize barging for fish at collector dams this spring, the region's independent science panel has recommended sticking with the current spill and barge scenario that spreads the risks among different salmon species. ...more
Corps Announces Plan For Possible Breaching Studies
The Corps of Engineers finished mapping out how it will evaluate the benefits from breaching the lower Snake River dams if ESA-listed fish runs suffer significant declines in the near future. ...more
Spring Chinook Beginning To Show
Commercial gillnetters in the lower Columbia River were allowed to get their nets wet last week, chasing the beginnings of this year's expected blockbuster upriver spring chinook run--a return that is expected to top out around half a million fish. ...more
Despite More Precip, Water Supply Drops 2 Percent
The latest January-through-July water supply forecast for the Columbia at The Dalles has declined to 65 percent of average, despite some serious late March precipitation and colder temperatures. The April final forecast released April 7 was down 2 percent from the March final forecast of 67 percent. ...more
Corps Alters Spill Plan To Accommodate 10 Million Hatchery Fish
With 10 million hatchery chinook scheduled to be released from Columbia River hatcheries this week, some basin fish managers asked the Corps of Engineers to crank up the spill at Bonneville to help get them past the dam. ...more
El Niño Slowly Subsiding
The El Niño weather pattern that has been responsible for the Northwest's extra-mild winter and low precipitation is expected to last through the spring, but climate scientists say it's finally on its way out. ...more Fishletter Readers: Get automatic e-mail notification whenever a new issue comes up on line. Comments? Advice? Give feedback to the editor. |
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