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Temperature and salinity preferences of endangered Delta Smelt (Hypomesus transpacificus, Actinopterygii, Osmeridae). [PDF]

open access: yesSci Rep, 2022
Temperature and salinity often define the distributions of aquatic organisms. This is at least partially true for Delta Smelt, an imperiled species endemic to the upper San Francisco Estuary.
Hung TC   +6 more
europepmc   +6 more sources

Salinity and diel timing affect group structure in Delta Smelt

open access: yesAquaculture, Fish and Fisheries, 2023
Delta Smelt are thought to be on the precipice of extinction. Studies that examine how this endangered species responds to environmental change are important to informing conservation efforts.
Samantha N. Chase   +3 more
doaj   +2 more sources

Modeling Delta Smelt Losses at the South Delta Export Facilities [PDF]

open access: yesSan Francisco Estuary and Watershed Science, 2011
I previously estimated proportional losses of delta smelt to the water export facilities in the south Delta (Kimmerer 2008). This note is in response to Miller (2010), who disputes these estimated losses on several grounds.
Wim J. Kimmerer
doaj   +4 more sources

Vital dye immersion evaluations with juvenile delta smelt

open access: yesAquaculture, Fish and Fisheries, 2023
Immersion‐based vital dyes were tested as a marking method for use in larval smelt mark–recapture studies. We assessed five fluorescent dyes as a mark for juvenile osmerids: 4‐Di‐1‐ASP, BODIPY FL C12, BODIPY 505/515, Nile red, and calcein.
Virginia Afentoulis   +5 more
doaj   +2 more sources

Delta Smelt stress responses during fish salvage at the John E. Skinner Delta Fish Protective Facility, California

open access: yesCalifornia Fish and Wildlife Journal, 2023
The John E. Skinner Delta Fish Protective Facility (Skinner Fish Facility) diverts entrained fish from the State Water Project’s pumping facilities in the southern Sacramento-San Joaquin Delta (the Delta) and transports them via tanker trucks away from ...
Virginia Afentoulis   +3 more
doaj   +2 more sources

Is Extinction Inevitable for Delta Smelt and Longfin Smelt? An Opinion and Recommendations for Recovery [PDF]

open access: yesSan Francisco Estuary and Watershed Science, 2017
https://doi.org/10.15447/sfews ...
James Hobbs   +3 more
doaj   +4 more sources

Sample Design-based Methodology for Estimating Delta Smelt Abundance [PDF]

open access: yesSan Francisco Estuary and Watershed Science, 2008
A sample design-based procedure for estimating pre-adult and adult delta smelt abundance is described. Using data from midwater trawl surveys taken during the months of September, October, November, and December for the years 1990 through 2006 and ...
Ken B. Newman
doaj   +4 more sources

Reproductive strategy of Delta Smelt Hypomesus transpacificus and impacts of drought on reproductive performance. [PDF]

open access: yesPLoS One, 2022
Understanding reproductive biology and performance of fish is essential to formulate effective conservation and management programs. Here, we studied reproductive strategies of female Delta Smelt Hypomesus transpacificus, an endangered fish species in ...
Kurobe T   +6 more
europepmc   +3 more sources

Otolith-based comparisons of wild versus hatchery-origin delta smelt

open access: yesEndangered Species Research
The rapid decline of California’s endangered delta smelt Hypomesus transpacificus has called for immediate and effective conservation actions. Since 2021, up to 92000 cultured delta smelt have been released annually into the Sacramento-San Joaquin River ...
LS Lewis   +11 more
doaj   +2 more sources

Captive-reared Delta Smelt (Hypomesus transpacificus) exhibit high survival in natural conditions using in situ enclosures. [PDF]

open access: yesPLoS One, 2023
Conservation of endangered fishes commonly includes captive breeding, applied research, and management. Since 1996, a captive breeding program has existed for the federally threatened and California endangered Delta Smelt Hypomesus transpacificus, an ...
Baerwald MR   +14 more
europepmc   +2 more sources

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