Results 91 to 100 of about 427,817 (162)

A Covered Cod-End and Tow-Path Evaluation of Midwater Trawl Gear Efficiency for Catching Delta Smelt (Hypomesus transpacificus)

San Francisco Estuary and Watershed Science, 2017
https://doi.org/10.15447/sfews.2017v15iss4art3For nearly 50 years, the California Department of Fish and Wildlife has used a midwater trawl to intensively monitor fish populations in the San Francisco Estuary during the fall, sampling over 100 locations
Lara Mitchell, Ken Newman, Randall Baxter   +2 more
doaj  

Delta High; PTA Program

, 1967
A special program for "Parent and Youth" brought to Delta high by the PTA. Left to right: Joe Mace, Tommy Lovell, Kenny Bunker, and special instructor Mrs.

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

San Francisco Estuary and Watershed Science, 2017
https://doi.org/10.15447/sfews ...
James Hobbs, Peter B. Moyle, Nann Fangue, Richard E. Connon   +3 more
doaj  

Validating estuarine movements from otoliths for an imperiled fish

Aquatic Biology
The application of otolith tools to infer the movement history of fishes requires controlled experiments to validate methods and assess confidence in inferences gained for wild specimens.
LS Lewis, M Willmes, C Denney, L Cavole, W Xieu, RA Fichman, TC Hung, L Ellison, T Stevenson, AA Schultz, BG Hammock, S Teh, JA Hobbs   +12 more
doaj   +1 more source

The health and condition responses of Delta Smelt to fasting: A time series experiment. [PDF]

PLoS One, 2020
Hammock BG, Ramírez-Duarte WF, Triana Garcia PA, Schultz AA, Avendano LI, Hung TC, White JR, Bong YT, Teh SJ.   +8 more
europepmc   +1 more source

Delta High Football

, 1966
Delta High football champ ride on a victory vehicle down main street ...

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Delta Schools Retiring Teachers

, 1965
A program for retiring teachers, left to right: Glen Seegmiller, Thelma Seegmiller, Gertrude Western, Margaret Roper and C. L.

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Delta Elementary School P.T.A Officers

, 1966
Left to Right: Genevieve Farnsworth-Vice President, Betty Jeffery-President, and Eldula Rawlinson-Secretary/Treasurer, 1966-1968, Delta ...

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Age and repeated collection interval effects on sperm motility in the endangered delta smelt Hypomesus transpacificus

Endangered Species Research
Understanding the reproductive dynamics of endangered species is crucial for effective conservation strategies. This study examines the impact of age and repeated collection interval on sperm motility in the Critically Endangered delta smelt Hypomesus ...
MM Rahman, T Hung
doaj   +1 more source

Feeding ecology of adult delta smelt in the San Francisco Estuary [PDF]

, 2018
The delta smelt (Hypomesus transpacificus) is a small, pelagic, endangered fish endemic to the San Francisco Estuary. Declines in abundance have stimulated interest in its feeding habits, but most reports have examined feeding by larvae and juveniles. We
Aaron David Johnson
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