Results 21 to 30 of about 813 (188)
Use of affinity analysis to guide habitat restoration and enhancement for the imperiled delta smelt
Endangered Species Research, 2020 Habitat restoration efforts in the upper San Francisco Estuary, including the Sacramento-San Joaquin Delta, California, move forward, despite a paucity of information on the environmental requirements of many targeted species.
Scott A Hamilton, Dennis D Murphy
exaly +3 more sources
Investigation of Molecular Pathogen Screening Assays for Use in Delta Smelt [PDF]
San Francisco Estuary and Watershed Science, 2022 Pathogen surveillance must be part of any population supplementation or reintroduction program for the conservation of threatened and endangered species. The unintended transmission of pathogens can have devastating effects on these already at-risk populations or the natural ecosystem at large.
Gille, Daphne A. +5 more
openaire +4 more sources
Linking mechanistic and behavioral responses to sublethal esfenvalerate exposure in the endangered delta smelt;
BMC Genomics, 2009 Background The delta smelt (Hypomesus transpacificus) is a pelagic fish species listed as endangered under both the USA Federal and Californian State Endangered Species Acts and considered an indicator of ecosystem health in its habitat range, which is ...
Wintz Henri +7 more
doaj +2 more sources
Small Populations in Jeopardy: A Delta Smelt Case Study [PDF]
, 2020 Under § 7 of the federal Endangered Species Act (ESA or the Act),'federal agencies must ensure that actions they authorize, fund, or carry out are" not likely to jeopardize the continued existence of any endangered species or threatened species or result in the destruction or adverse modification of habitat of such species." 2 For species with low and ...
Bork, Karrigan +4 more
openaire +1 more source
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 +5 more sources
Delta Smelt: Life History and Decline of a Once-Abundant Species in the San Francisco Estuary [PDF]
San Francisco Estuary and Watershed Science, 2016 doi: http://dx.doi.org/10.15447/sfews.2016v14iss2art6This paper reviews what has been learned about Delta Smelt and its status since the publication of The State of Bay-Delta Science, 2008 (Healey et al. 2008). The Delta Smelt is endemic to the upper San
Peter B. Moyle +3 more
doaj +2 more sources
San Francisco Estuary and Watershed Science, 2016 doi: http://dx.doi.org/10.15447/sfews.2016v14iss1art3Long-term fish sampling data from the San Francisco Estuary were combined with detailed three-dimensional hydrodynamic modeling to investigate the relationship between historical fish catch and ...
Aaron J. Bever +4 more
doaj +1 more source
Long-Term Trends in Summertime Habitat Suitability for Delta Smelt, Hypomesus transpacificus [PDF]
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 +2 more sources
Aquaculture ReportsDelta Smelt Hypomesus transpacificus, is an endangered fish endemic to the California San Francisco Bay-Delta, USA. Extreme declines of the wild Delta Smelt population have prompted use of cultured fish to supplement the wild population since 2021 to ...
Samantha N. Chase +6 more
doaj +2 more sources
Losses of Sacramento River Chinook Salmon and Delta Smelt to Entrainment in Water Diversions in the Sacramento–San Joaquin Delta [PDF]
San Francisco Estuary and Watershed Science, 2008 Pumping at the water export facilities in the southern Sacramento-San Joaquin Delta kills fish at and near the associated fish-salvage facilities.
Wim J. Kimmerer
doaj +2 more sources