The transcriptome-wide effects of exposure to a pyrethroid pesticide on the Critically Endangered delta smelt Hypomesus transpacificus [PDF]
Endangered Species Research, 2015 Research into the effects of contaminants on fishes is often conducted on well-studied model test species, whose responses may be different than those of endangered species.
KM Jeffries +7 more
doaj +4 more sources
Analysis of Limiting Factors Across the Life Cycle of Delta Smelt (Hypomesus transpacificus). [PDF]
Environ Manage, 2018 We developed a mechanistic life-cycle model derived from the elicitation of multiple factors influencing the success of individual life-stages of the imperiled delta smelt (Hypomesus transpacificus). We discuss the relevance of limiting factors in population ecology and problems with additive models in detecting them.
Hamilton SA, Murphy DD.
europepmc +8 more sources
Gross morphology, histology, and ultrastructure of the olfactory rosette of a critically endangered indicator species, the Delta Smelt, Hypomesus transpacificus. [PDF]
J Comp Physiol A Neuroethol Sens Neural Behav Physiol, 2021 AbstractThe Delta Smelt (Hypomesus transpacificus) is a small, semi-anadromous fish native to the San Francisco Bay-Delta Estuary and has been declared as critically endangered. Their olfactory biology, in particular, is poorly understood and a basic description of their sensory anatomy is needed to advance our understanding of the sensory ecology of ...
Triana-Garcia PA +3 more
europepmc +8 more sources
Aquaculture, Fish and Fisheries, 2023 The once abundant delta smelt Hypomesus transpacificus is now on the verge of extinction. At the UC Davis Fish Conservation and Culture Laboratory, a refuge population has been maintained since 2008 as a safeguard against extinction and to breed and ...
Luke Ellison +6 more
doaj +2 more sources
Endangered Species ResearchUnderstanding 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 +2 more sources
Long-Term Trends in Summertime Habitat Suitability for Delta Smelt, Hypomesus transpacificus
San Francisco Estuary and Watershed Science, 2008 The biological productivity of river-dominated estuaries is affected strongly by variation in freshwater inflow, which affects nursery habitat quality. Previous research has shown this is generally true in the upper San Francisco Estuary, California, USA;
Matthew L. Nobriga +3 more
doaj +3 more sources
Experimental validation of otolith-based age and growth reconstructions across multiple life stages of a critically endangered estuarine fish [PDF]
PeerJ, 2021 Background The application of otolith-based tools to inform the management and conservation of fishes first requires taxon- and stage-specific validation.
Wilson Xieu +10 more
doaj +3 more sources
The Spawning Migration of Delta Smelt in the Upper San Francisco Estuary [PDF]
San Francisco Estuary and Watershed Science, 2011 Ted Sommer, Francine Mejia, Matt Nobriga, Fred Feyrer, and Lenny Grimaldodoi: http://dx.doi.org/10.15447/sfews.2014v9iss2art2While there is substantial information about the upstream migration of commercially and recreationally important fishes ...
Ted Sommer +4 more
doaj +2 more sources
Evaluating environmental DNA detection of a rare fish in turbid water using field and experimental approaches [PDF]
PeerJDetection sensitivity of aquatic species using environmental DNA (eDNA) generally decreases in turbid water but is poorly characterized. In this study, eDNA detection targeted delta smelt (Hypomesus transpacificus), a critically endangered estuarine fish
Ann E. Holmes +5 more
doaj +3 more sources
A Covered Cod-End and Tow-Path Evaluation of Midwater Trawl Gear Efficiency for Catching Delta Smelt (Hypomesus transpacificus) [PDF]
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 +2 more
doaj +4 more sources