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Inter-and Intra-Annual Sediment Dynamics in Two Tidal Marshes: Deposition, Accretion, and Vegetation Data (ver. 2.0, June 2025) Inter-and Intra-Annual Sediment Dynamics in Two Tidal Marshes: Deposition, Accretion, and Vegetation Data (ver. 2.0, June 2025)
The U.S. Geological Survey, Western Ecological Research Center collected sediment and accretion data at two marshes in San Francisco Bay, California over the course of 15 months, capturing a full hydrological year and two spring-summer transitions. Sediment traps were deployed monthly in triplicate along transects of increasing distance from sediment sources (i.e., channels) to capture...
Distribution and Breeding Status of Least Bell’s Vireo along the San Luis Rey River in San Diego County, California for Select Years (1996, 1999-2001, 2003-2004 and 2007) Distribution and Breeding Status of Least Bell’s Vireo along the San Luis Rey River in San Diego County, California for Select Years (1996, 1999-2001, 2003-2004 and 2007)
The spatial data are results of USGS surveys for Least Bell's Vireo (Vireo bellii pusillus) (LBVI) along the San Luis Rey River for selected years (1996, 1999-2001, 2003-2004, 2007). Data was used to determine abundance and distribution of vireos as part of long-term demographic studies.
Lake Koocanusa Water Quality Profiles for 2019 through 2024 (ver. 2.0, April 2026) Lake Koocanusa Water Quality Profiles for 2019 through 2024 (ver. 2.0, April 2026)
This data release contains water quality data from discrete sonde profiles taken at 10 sites on Lake Koocanusa from 2019 through 2024. The profiles include measurements of water temperature, specific conductance, dissolved oxygen, pH, turbidity, and chlorophyll relative fluorescence as well as the depth of the sonde below the water surface. These data were collected as part of a water...
Growth and survival of a Unionid Mussel (Fatmucket, Lampsilis siliquoidea) during Chronic Exposures Evaluating pH Effects on Ammonia Growth and survival of a Unionid Mussel (Fatmucket, Lampsilis siliquoidea) during Chronic Exposures Evaluating pH Effects on Ammonia
This data set contains toxicity data from short term 7-day chronic water-only bioassays to assess the effects pH on ammonia toxicity to survival and growth of a juvenile fatmucket mussel (Lampsilis siliquoidea). We conducted 4 concurrent exposures at nominal pHs of 7.0, 7.5, 8.0, and 8.5 with varying ranges of ammonia to capture effect concentrations. This data set has three tables: (1)...
Cattle Habitat Selection Index for the Great Basin region in the western United States Cattle Habitat Selection Index for the Great Basin region in the western United States
We collected cattle GPS location data within three sites across the Great Basin ecoregion. We then coupled these data with multi-resolution remotely sensed vegetation, hydrology, and topographic data to develop a cattle resource selection surface across Nevada and northeastern California. This layer can support grazing management through targeted or rotational grazing by providing a...
Photographs and photomicrographs of selected pre-Middle Jurassic basement rocks beneath the Atlantic and Gulf Coastal Plains in Florida Photographs and photomicrographs of selected pre-Middle Jurassic basement rocks beneath the Atlantic and Gulf Coastal Plains in Florida
This data release contains photographs and photomicrographs from drill cores and cuttings of pre-Middle Jurassic basement rocks that are buried beneath Coastal Plain sedimentary deposits in Florida. These samples provide rare insights into deeply buried rocks that have no surface exposures and no known exposed correlates. These images were acquired to support the characterization...