Results 11 to 20 of about 3,644,032 (224)

Three-dimensional Modeling of Tidal Hydrodynamics in the San Francisco Estuary [PDF]

open access: yesSan Francisco Estuary and Watershed Science, 2010
Simulations of circulation in the San Francisco Estuary were performed with the three-dimensional TRIM3D hydrodynamic model using a generic length scale turbulence closure.
Edward S. Gross   +2 more
doaj   +4 more sources

Resistance and resilience of pelagic and littoral fishes to drought in the San Francisco Estuary. [PDF]

open access: yesEcol Appl, 2021
Many estuarine ecosystems and the fish communities that inhabit them have undergone substantial changes in the past several decades, largely due to multiple interacting stressors that are often of anthropogenic origin. Few are more impactful than droughts, which are predicted to increase in both frequency and severity with climate change. In this study,
Mahardja B   +8 more
europepmc   +4 more sources

San Francisco Estuary and Watershed Science: Next Steps [PDF]

open access: yesSan Francisco Estuary and Watershed Science, 2009
<Abstract is not required for Editorial.> --SFEWS ...
Samuel N. Luoma
doaj   +4 more sources

Status of the Siberian Prawn, Exopalaemon modestus, in the San Francisco Estuary [PDF]

open access: yesSan Francisco Estuary and Watershed Science, 2014
The freshwater Siberian prawn, Exopalaemon modestus (Heller 1862, Crustacea: Decapoda: Palaemonidae), was likely introduced into the San Francisco Estuary in the late 1990s. Since the initial collection in 2000, E.
Tiffany Brown, Kathryn A. Hieb
doaj   +4 more sources

Living Fossils: Sturgeon of the San Francisco Estuary [PDF]

open access: yesFrontiers for Young Minds, 2021
Sturgeon are fish that are considered living fossils. Their ancestors date back over 200 million years, to the same time as dinosaurs. These fish can grow taller than humans (over 2 m), weigh over 160 kg, and live as long as humans. Sturgeon species have special adaptations, such as a vacuum-like mouth and body armor called scutes. There are 27 species
Page E. Vick, John T. Kelly
openaire   +1 more source

Habitat Variability and Complexity in the Upper San Francisco Estuary [PDF]

open access: yesSan Francisco Estuary and Watershed Science, 2010
High variability in environmental conditions in both space and time once made the upper San Francisco Estuary (the Estuary) highly productive for native biota.
Peter B Moyle   +3 more
doaj   +4 more sources

Four decades of water quality change in the upper San Francisco Estuary. [PDF]

open access: yesEstuar Coast Shelf Sci, 2018
Quantitative descriptions of chemical, physical, and biological characteristics of estuaries are critical for developing an ecological understanding of drivers of change. Historical trends and relationships between key species of dissolved inorganic nitrogen (ammonium, nitrate/nitrite, total) from the Delta region of the San Francisco Estuary were ...
Beck MW   +3 more
europepmc   +4 more sources

An Open Data Framework for the San Francisco Estuary [PDF]

open access: yesSan Francisco Estuary and Watershed Science, 2020
Author(s): Baerwald, Melinda R.; Davis, Brittany E.; Lesmeister, Sarah; Mahardja, Brian; Pisor, Rachel; Rinde, Jenna; Schreier, Brian; Tobias, Vanessa | Abstract:
Melinda Baerwald   +7 more
openaire   +3 more sources

Powering Life in the Water: Phytoplankton in the San Francisco Estuary [PDF]

open access: yesFrontiers for Young Minds, 2021
Phytoplankton are probably the most important aquatic organisms that you have NEVER seen! Phytoplankton are nearly invisible and use sunlight, carbon dioxide, and nutrients in water to produce sugars that power the estuary food web. The amount of phytoplankton growth is important because phytoplankton are the food for aquatic animals like zooplankton ...
Alexander E. Parker, Peggy W. Lehman
openaire   +1 more source

Mesozooplankton omnivory in the upper San Francisco Estuary [PDF]

open access: yesMarine Ecology Progress Series, 2007
While many studies have examined mesozooplankton feeding in coastal environments, less attention has been given to this subject in estuaries. We used bottle incubation experiments to measure the feeding rates of a cladoceran (Daphnia sp.), a calanoid copepod (Acartia spp.), and 2 cyclopoid copepods (Oithona davisae and Limnoithona tetraspina) on the ...
Rollwagen-Bollens, G.   +2 more
openaire   +1 more source

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