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  1. Jun 22, 2020 · Once uncountably numerous, the Delta smelt since 2016 has largely vanished from most annual sampling surveys. But in December, state and federal biologists began for the first time ever releasing captively bred adult Delta smelt into the Sacramento-San Joaquin Delta in an effort to draw the species away from the brink of extinction.

    • How did the Sacramento & San Joaquin Rivers help smelt spawn?1
    • How did the Sacramento & San Joaquin Rivers help smelt spawn?2
    • How did the Sacramento & San Joaquin Rivers help smelt spawn?3
    • How did the Sacramento & San Joaquin Rivers help smelt spawn?4
  2. SACRAMENTO — This week, the U.S. Fish and Wildlife Service and the California Department of Fish and Wildlife (CDFW), along with the California Department of Water Resources (DWR) and the U.S. Bureau of Reclamation, experimentally released captively produced Delta smelt into the Sacramento-San Joaquin River Delta. This experimental project will help inform future supplementation of the ...

  3. Jan 25, 2023 · It’s final — for the sixth year in a row, the California Department of Fish and Wildlife’s Fall Midwater Trawl Survey (FMWT) has found zero Delta Smelt in the Sacramento-San Joaquin River Delta.

  4. Apr 22, 2019 · The federally endangered delta smelt, a minnow on the brink of extinction, is at the heart of a bitter struggle over the use of California’s most important estuary, the Sacramento-San Joaquin Delta.

  5. This is true for all life stages. During periods of high river flow through the estuary, delta smelt distribution can transiently extend as far west as the Napa River and San Pablo Bay (Sweetnam 1999; Hobbs et al. 2007). Delta smelt distribution is highly constricted near the Sacramento-San Joaquin river confluence during periods of low river

  6. Jan 25, 2016 · A Backup Plan for the Delta Smelt. Luke Ellison is holding something most of us will never get to see: a Delta smelt. Graceful, iridescent, and about as long as my finger, these fish are so rare in the wild that just six adults were found during a sample survey of the Sacramento-San Joaquin Delta last spring. And the Delta is the only place in ...

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  8. Jan 25, 2023 · They are usually good for smelt and splittail spawn and very good for San Joaquin River salmon. The rains should also be good for sturgeon recovery after the bay fish kill.” “There are some concerns about damages (remember the 1982-83, 2006 floods; it may not be best for smelt if floods go into spring).

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