Results 171 to 180 of about 27,450 (224)

Isolation and characterization of four novel Vibrio parahaemolyticus bacteriophages from oysters. [PDF]

open access: yesPLoS One
Aldaroub J   +5 more
europepmc   +1 more source

Decadal mercury trends in San Francisco Estuary sediments

Environmental Research, 2007
Monitoring sediment quality and total mercury concentrations over the period 1993-2001 at 26 stations in San Francisco Estuary has shown the seasonal cycling of mercury sediment concentrations, as well as a significant (P < 0.05) decrease in those concentrations at eight stations across the estuary.
Christopher H, Conaway   +4 more
openaire   +4 more sources

Mercury speciation in the San Francisco Bay estuary

Marine Chemistry, 2003
In order to understand the biogeochemistry of mercury in the San Francisco Bay estuary, California, we undertook a 2-year study of sediments and surface waters to investigate sources of mercury to the estuary and the processes that control its distribution. Over several seasons, unfiltered and filtered (
Christopher H. Conaway   +3 more
openaire   +3 more sources

Biological effects of anthropogenic contaminants in the San Francisco Estuary

Environmental Research, 2007
Concentrations of many anthropogenic contaminants in the San Francisco Estuary exist at levels that have been associated with biological effects elsewhere, so there is a potential for them to cause biological effects in the Estuary. The purpose of this paper is to summarize information about biological effects on the Estuary's plankton, benthos, fish ...
Bruce, Thompson   +9 more
openaire   +4 more sources

Mercury in the San Francisco Estuary

2008
This review presents some of the published and other important literature on mercury contamination in San Francisco Estuary. Studies on human consumption of contaminated sportfish and on detecting ecological impacts of this contamination in wetland areas validate concerns regarding mercury's toxicity in this system.
Christopher H, Conaway   +4 more
openaire   +2 more sources

Polycyclic aromatic hydrocarbons in San Francisco Estuary sediments

Marine Chemistry, 2004
Abstract The objectives of this study were to examine surface sediments in the San Francisco Estuary for PAH composition over a range of spatial and temporal scales to determine distributions, trends, and possible sources. Surface sediments (top 5 cm) were collected at 26 sites from 1993 to 2001.
Daniel R. Oros, John R.M. Ross
openaire   +1 more source

Denitrifier abundance and activity across the San Francisco Bay estuary

Environmental Microbiology Reports, 2010
Summary Over 50% of external dissolved inorganic nitrogen inputs to estuaries are removed by denitrification – the microbial conversion of nitrate to nitrogen gas under anaerobic conditions. In this study, denitrifier abundance, potential rates and community structure were examined in sediments from the San ...
Annika C, Mosier, Christopher A, Francis
openaire   +2 more sources

Early Holocene Evolution of San Francisco Estuary, Northern California

Journal of Coastal Research, 2010
Abstract Fossil foraminifers (Elphidium excavatum forma selseyensis) recovered from a sediment core from the San Francisco Bay are analyzed for their oxygen isotopic composition. About 8 m of core believed to represent the first 600 years of the current (Holocene) bay's existence at the sample site (from approximately 7650–7050 cal YBP) are highlighted
Peter Schweikhardt   +2 more
openaire   +1 more source

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