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eDNA and visual encounter survey detection of amphibians and chytrid fungus in Colorado canyonlands, 2019-2022 (ver. 1.1, November 2025) eDNA and visual encounter survey detection of amphibians and chytrid fungus in Colorado canyonlands, 2019-2022 (ver. 1.1, November 2025)
This dataset contains environmental DNA (eDNA) and visual encounter survey (VES) data collected between 2019 and 2022 in Colorado canyonlands. eDNA data (field, extraction, and qPCR) is for three target species: American bullfrog, northern leopard frog, and Great Basin spadefoot. VES data is for six target species: American bullfrog, northern leopard frog, Great Basin spadefoot, red...
Ocular field estimates of exotic annual and perennial grass cover across the Soda Wildfire Ocular field estimates of exotic annual and perennial grass cover across the Soda Wildfire
Data includes functional group cover of exotic annual grasses and deep rooted perennial grasses within the first five years after the 2015 Soda wildfire across different post-fire restoration treatments. Additional landscape and restoration treatment covariates hypothesized to influence post-fire invasive annual grass and perennial grass cover are included.
Peak-flow frequency analyses for selected streamgages in Montana, North Dakota, South Dakota, and Wyoming Peak-flow frequency analyses for selected streamgages in Montana, North Dakota, South Dakota, and Wyoming
Data release contains peak-flow frequency analyses for selected streamgages in Montana, North Dakota, South Dakota, and Wyoming, along with information documenting the input data and specifications for the analyses. The analyses were performed using the methods described by Siefken and others (2025).
Passive seismic depth to bedrock data collected along the Slate River floodplain, CO, USA 2021 Passive seismic depth to bedrock data collected along the Slate River floodplain, CO, USA 2021
Using the horizontal-to-vertical spectral-ratio (HVSR) method, we inferred the depth to bedrock at the Slate River Floodplain, CO, USA. The point-scale passive seismic data were collected using Model TEP-3C Tromino seismometers over 20 min or less intervals with the instruments coupled directly to the floodplain ground surface at 42 non-flooded locations during June 2021. The ratio of...
Computed tomography (CT) scans, photographs, geochemistry, grain-size and total carbon analysis, X-ray fluorescence (XRF) scans, X-ray diffraction (XRD), magnetic susceptibility, and gamma-ray bulk density data of gravity cores and push cores from the Esc Computed tomography (CT) scans, photographs, geochemistry, grain-size and total carbon analysis, X-ray fluorescence (XRF) scans, X-ray diffraction (XRD), magnetic susceptibility, and gamma-ray bulk density data of gravity cores and push cores from the Esc
This data release contains computed tomography (CT) scans, photographs, geochemistry, grain-size and total carbon analysis, X-ray fluorescence (XRF) scans, X-ray diffraction (XRD), magnetic susceptibility, and gamma-ray bulk density data of gravity cores, push cores, and sediment subsamples from those cores collected in 2022 from the Escanaba Trough vent field, Gorda Ridge, in the...
Data for Evaluation of Nutrient, Alkalinity, and Acid Neutralizing Capacity Stabilities in Water Samples Analyzed by the National Water Quality Laboratory -- 2023-2024 Data for Evaluation of Nutrient, Alkalinity, and Acid Neutralizing Capacity Stabilities in Water Samples Analyzed by the National Water Quality Laboratory -- 2023-2024
The U.S. Geological Survey evaluated the stability of water-sample chemical analysis of nutrient, alkalinity, and acid neutralizing capacity constituents with respect to the duration between sample collection and laboratory analysis, also known as sample holding times. Included in this data release are results used to evaluate the stability of the chemical properties alkalinity (as...