Data

During the 2020 breeding season, Double-crested Cormorants invaded the historic breeding colony of a mixed species wading bird rookery in the Chesapeake Bay, resulting in the destruction of suitable nesting habitat and subsequent relocation of the rookery the following breeding season. This new rookery was established at a site where soil pH was being measured for an unrelated study...

The U.S. Geological Survey (USGS) collects magnetic susceptibility measurements on in-situ and laboratory rock samples to help identify the sources of anomalies in aeromagnetic surveys in Alaska. Magnetic susceptibility is a measure of how much a material will become magnetized in an applied magnetic field and is the ratio of magnetization, M (magnetic moment per unit volume), to the...

Three complementary datasets are presented: seismic recordings; photogrammetric point clouds; and rebound hammer measurements. On 4-5 March 2020, U.S. Geological Survey simultaneously collected three-component seismic data from three sites within the Trona Pinnacles National Natural Landmark: the top of a "skinny" pinnacle; the top of a "stout" pinnacle; and at a "reference" site. The...

The U.S. Geological Survey (USGS), in cooperation with the Massachusetts Department of Environmental Protection (MassDEP), developed one-dimensional U.S. Army Corps of Engineers (USACE) Hydrologic Engineering Center’s River Analysis System (HEC-RAS) hydraulic models for stream crossing sites in the Housatonic River watershed, Massachusetts. An automated Geographic Information System (GIS...

These geospatial datasets correspond to the extraction of elements and their attributes related to the shoreline and back beach of eleven (11) municipalities in the northwest and north coasts of Puerto Rico (Rincón, Aguadilla, Isabela, Hatillo, Arecibo, Dorado, Vega Baja, Carolina, Loíza, Río Grande, and Luquillo). These data were generated as part of the USGS Development of Coastal...

This U.S. Geological Survey (USGS) data release contains data from stream water and groundwater samples collected in July through October 2024 at the Perigo Mine site in Gilpin County, northern Colorado. Data were collected as part of a study aimed at characterizing the local groundwater flow system in the hillslope hosting the mine’s draining crosscut tunnel, and identifying sources of...

Data describe environmental DNA (eDNA) concentrations from invasive silver (Hypophthalmichthys molitrix) and bighead carp (H. nobilis), collectively called bigheaded carps (Hypophthalmichthys spp.), from Missouri’s Creve Coeur Lake and Mallard Lake before and after a mass carp removal effort in 2018 at Creve Coeur Lake (2018-01-29). Six sampling trips occurred from 2017-2018, with 3...

The dataset contains information on where the Appalachia Grizzled Skippers (AGS) were found, by state and date (2021-2024). Dataset also provides weather information at time of survey, and duration of survey.

U.S. Fish and Wildlife Service (USFWS) has designated Pyrgus wyandot (W. H. Edwards) (Appalachian Grizzled Skipper, AGS) as a Species of Concern based on its declining populations and the paucity of information on its current status. Our objective was to conduct range-wide surveys to locate extant AGS colonies and to quantify the number of AGS observed at each location. From 2021 – 2024...

This data release provides data from an in situ study designed to assess microbial soil organic carbon decomposition and methane production using multi-omics techniques in prairie pothole wetlands. Fluxes of carbon dioxide, methane, and nitrous oxide were estimated using static chambers combined with a portable Fourier Transform Infrared (FTIR) gas analyzer. Water-quality parameters were...

Biliary concentrations of naphthalene, phenanthrene, and benzo[a]pyrene equivalents measured in white perch (Morone americana) collected in Chesapeake Bay (April to August 2022) and Albemarle Sound, NC (March 2023). Data include measured concentrations in each sample and associated QA/QC measurements for analytical chemistry.

The orthomosaic, digital surface model and point cloud presented here document conditions at Pickle Pond, part of the Saint Louis River Area of Concern in Superior, Wisconsin. Aerial images were collected in July 2021, prior to planned ecological restoration, using a DJI Phantom with FC6310 sensor at a nominal elevation of approximately 100 meters above the surface of the lake water...