All Data

The rock type, or lithology, of river gravels provides information about the bedrock source area of that material, and can act as a tracer to help assess relative gravel contributions from tributaries or distinct valley deposits. Between July 2020 and August 2021, gravels at 29 sites in the Sauk, Suiattle and White Chuck rivers were collected and sorted into simple lithologic categories...

Cienegas, as defined here, are wetlands in arid and semi-arid regions associated with groundwater or lotic components that ideally result in perennial waters on temporal scales of decades to centuries. Cienegas are typically no lower than 0 m, and higher than 2000 m, rarely lower but sometimes higher elevation localities occur. Cienegas are typified by significant differences in flora...

Data includes seed germination experiments observations from seeds collected during the fall of 2018 and 2020 at Bitter Lake National Wildlife Refuge, near Roswell, New Mexico. Seeds of Cirsium wrightii, Agalinis calycina, and Helianthus paradoxus were collected by manually clipping seed heads from plants across the wetland management units. Seeds were placed in brown paper bags and...

This dataset provides one table of bioenergetic and morphological measurements of Pacific blue mussels (Mytilus trossulus; N = 444) collected at three intertidal sites in Kenai Fjords National Park, Alaska. Mussels were collected at the same tidal height across all three sites on a nearly monthly basis from 2014-2015.

This data release contains groundwater-quality data for nitrate and chloride, and well information for sample sites for aquifers in the Great Lakes Basin within the United States. Water-quality data and well information were derived from a dataset compiled from the U.S. Geological Survey (USGS) National Water Information System and numerous agencies and organizations at the state...

This data set is one table with observations of polar bears located during aerial surveys along the coast and barrier islands of the southern Beaufort Seas during fall, 2010-2013. Survey flights were conducted using A-Star B2 and Bell 206 helicopters at an average altitude of 300 feet AGL and an average speed of 50 miles per hour. Survey crews searched for polar bears using coastal and...

This data set provides sample data and NCBI accession information for genomic sequencing of ptarmigan and grouse from Alaska.

This data release contains information on macroinvertebrate communities and sediment toxicity in the Niagara River and adjacent areas collected during three separate sampling efforts conducted during 2019-2020, 2022, and 2024-2025. During the first sampling effort, bed sediments were collected at 60 sites in the Niagara River, 5 sites on lower Smoke Creek, and 6 sites on Hoyt Lake for...

The data contained in this data release support USGS Scientific Investigations Report 2020-5023, "Distribution of selected hydrogeologic characteristics of the upper glacial and Magothy aquifers, Long Island, New York" (Walter and Finkelstein, 2020). This data release contains estimates of aquifer texture describing the Long Island aquifer system. These estimates in total can be...

This dataset contains detection-nondetection data for territorial pairs of Golden Eagles at survey sites randomly selected from a grid of equal-sized (13.9 km2) hexagonal sample cells overlaid across the region of interest in Coastal Southern California during 2016 and 2017. We partitioned surveys within seasons based on approximate transition dates for stages in the breeding cycle of...

To assess the effects of rotenone (fish toxicant) treatment and possible fish removal effects on nesting Osprey (Pandion haliaetus) populations, nests were observed at two reservoirs east of Ashland, Oregon. Hyatt Reservoir was treated with rotenone on October 12, 1989. Howard Prairie was observed as an untreated reference area. Nests at both reservoirs were observed two years pre...

This product is a media player application and user guide. The application generates set-interval and random-interval media play schedules. When the application is used to execute the play schedule, it creates its own metadata documentation. The Carp Media Player documents the intended play schedule, generates a real-time log of the media played, and documents if there were any...