Results 101 to 110 of about 760 (188)

Sample Design-based Methodology for Estimating Delta Smelt Abundance

San 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  

Effects of Temperature and Salinity on Eggs Hatch of the Pond Smelt Hypomesus olidus [PDF]

, 1988
application/pdfResponses of eggs of the pond smelt Hypomesus olidus to a series of temperature and chlorinity combinations were measured for percentages of total-and viable-hatch and time to 50% hatch.
Iwai, Toshio, 岩井, 寿夫, 柏木, 正章, Kashiwagi, Masaaki, Lopes, Alexandre N.G.   +4 more
core  

Revisiting Assumptions that Underlie Estimates of Proportional Entrainment of Delta Smelt by State and Federal Water Diversions from the Sacramento-San Joaquin Delta

San Francisco Estuary and Watershed Science, 2011
The delta smelt is a small, endemic fish that resides in the upper San Francisco Estuary. They are listed under state and federal Endangered Species Acts. Since 2002, their abundance has been at record low levels.
William J. Miller
doaj  

Linking Hydrodynamic Complexity to Delta Smelt (Hypomesus transpacificus) Distribution in the San Francisco Estuary, USA

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, Michael L. MacWilliams, Bruce Herbold, Larry R. Brown, Frederick V. Feyrer   +4 more
doaj  

Identifying minimum freshwater habitat conditions for an endangered fish using life cycle analysis

Conservation Science and Practice
Identifying the most important factors affecting population growth in animal life cycles is an important tool of species conservation. Delta Smelt (Hypomesus transpacificus), an annual fish endemic to the San Francisco Estuary in California (USA), has ...
Leo Polansky, Lara Mitchell, Matthew L. Nobriga   +2 more
doaj   +1 more source

The Spawning Migration of Delta Smelt in the Upper San Francisco Estuary

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, Francine H Mejia, Matthew L. Nobriga, Frederick Feyrer, Lenny Grimaldo   +4 more
doaj  

The physiological responses of surf smelt (Hypomesus pretiosus) to environmental stress in Puget Sound, WA, USA

Drastic environmental changes can severely affect a fish's metabolism, growth, reproduction and overall survivability. There is a concern that the synergy of multiple stressors, like the threat of climate change, will lead to population collapses of ...
Mellinger, Leah Marie
core  

Effect of egg size on size and viability of newly hatched medaka (oryzias latipes) and surf smelt (Hypomesus pretiosus pretiosus)

, 1977
The relationship between egg size and larval viability, as inferred from size at hatching, resistance to starvation, and growth, was studied in the Medaka, Oryzias latipes (Temminck and Schlegel) , and the Surf Smelt, Hypomesus pretious pretiosus (Girard)
Stanley, Richard David
core  

Prey Selection of Larval and Juvenile Planktivorous Fish in the San Francisco Estuary [PDF]

, 2010
This project examined the effects of the introduced Asian copepod Limnoithona tetraspina, the dominant zooplankton species in brackish waters of the San Francisco Estuary, on the diets of larval and juvenile delta smelt (Hypomesus transpacificus) and ...
Sullivan, Lindsay
core  

Draft Genome Sequence of Deefgea sp. Strain CFH1-16, Isolated from the Intestine of the Freshwater Fish Hypomesus nipponensis. [PDF]

Microbiol Resour Announc, 2021
Han JH.
europepmc   +1 more source