217 datasets found
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Federal
Rainbow trout diet and invertebrate drift data from 2012-2015 for the Colorado River, Grand Canyon, Arizona
Department of the Interior —
These data were compiled to explore the foraging ecology of Rainbow Trout (Oncorhynchus mykiss) in the Colorado River, Grand Canyon, Arizona. These data represent... -
Federal
The Measurement of Water Column Methylmercury Production Potential Rates in Four Oxygenated Reservoirs of the San Francisco Bay Watershed
Department of the Interior —
Valley Water (formerly Santa Clara Valley Water District) provides stream stewardship, wholesale water supply, and flood protection for Santa Clara County,... -
Federal
Data for Monitoring animal populations with cameras using open, multistate, N-mixture models
Department of the Interior —
The dataset (Link Not Yet Available) accompanies manuscript: "Monitoring animal populations with cameras using open, multistate, N-mixture models" (Link Not Yet... -
Federal
Low biomass microbiology samples collected from a hydraulically fractured well producing from the Niobrara Shale in Colorado
Department of the Interior —
Low biomass waters provide a unique challenge in the field of microbial ecology. It is difficult to determine, when biomass concentrations are extremely low, whether... -
Federal
Microbial Communities Associated with Hot Springs and other CO2-rich Waters, Rocky Mountain Plateau
Department of the Interior —
The Colorado Plateau is associated with several different commercial sources of natural CO2 and other non-hydrocarbon gases, such as noble gases. Twenty-five... -
Federal
Microbiology of the greater Bravo Dome region
Department of the Interior —
Bravo Dome is a commercial natural CO2 field that supplies the gas to depleted oil fields for enhanced oil recovery. In order to understand the distribution of CO2... -
Federal
Umpqua River Basin Particle-count Data: Little Wolf, Slide, and South Fork Calapooya Creeks, 2014
Department of the Interior —
Interactions between geomorphic processes at multiple scales shape the distributions of habitats, species, and life stages that a river can support. Understanding... -
Federal
USGS Lake Erie East Harbor bottom trawl data series, 1961-2011 (ver. 2.0, March 2020)
Department of the Interior —
The USGS Lake Erie Biological Station’s East Harbor sampling program began in 1961 with the commissioning of the research vessel Musky II. It is the longest known... -
Federal
Macroinvertebrate communities in Shenandoah Valley streams, 2021
Department of the Interior —
From 20 May - 8 June 2021, a Virginia Tech team of 2-3 sampled the macroinvertebrate community in 30 Shenandoah Valley streams (Virginia and West Virginia, USA) as... -
Federal
Mercury in bird blood and benthic aquatic invertebrates in Plumas National Forest, 2015-2016
Department of the Interior —
The dataset includes specifics on bird blood and aquatic invertebrate tissue mercury concentrations measured using direct mercury analysis. -
Federal
Video data for trout abundance estimation
Department of the Interior —
Rapid advances in video technology are enabling new strategies for species abundance estimation. Here we provide estimates of fish abundance derived from video data... -
Federal
Tracking Data for Tundra Swans (Cygnus columbianus)
Department of the Interior —
This data release includes 2 child items with tracking data for Tundra Swans, a species that nests in coastal areas throughout Alaska and winters across a broad area... -
Federal
Geochemical data including mercury for subsamples of deep cores from the Cache Creek Settling Basin, Yolo County, California
Department of the Interior —
Sediment cores were collected in the Cache Creek Settling Basin (CCSB), Yolo County, California, during October 2011 at 10 locations (borehole sites) and during... -
Federal
Profiles of salinity, temperature, depth, turbidity, and distributions of particle size in suspension collected during four 0.25-day periods in south San Francisco Bay, California, summer 2020
Department of the Interior —
Profiles of salinity, temperature, turbidity, and particle size distribution were collected by the U.S. Geological Survey (USGS) Pacific Coastal and Marine Science... -
Federal
Point Shapefile of Locations of Ferromanganese Crusts in the World Ocean Compiled by the USGS in Open-File Report 89-020 (ussamp_sta_ofr89-020.shp: excludes NGDC Sample Locations)
Department of the Interior —
Ferromanganese crusts in the world's oceans may serve as potential sources of metals, such as cobalt and magnesium, valuable to civilian and military industry; these... -
Federal
Array detections and physical captures for three native fishes in the Little Colorado River in Grand Canyon, AZ
Department of the Interior —
These data were compiled to monitor native fishes (particularly humpback chub Gila cypha) in the Little Colorado River, in the Grand Canyon, AZ. Objective(s) of our... -
Federal
Lake Erie Fish Community Data, 2013-2023
Department of the Interior —
Assessing the distribution and abundance of both predator and prey (forage) fish species is a cornerstone of ecosystem-based fishery management and supports decision... -
Federal
Fish communities in PA and MD Piedmont mixed agricultural streams, 2023
Department of the Interior —
From 2-27 June, 2023, a Virginia Tech team of 5 sampled the fish community in 30 Piedmont streams (lower Susquehanna River and upper Chesapeake Bay tributaries,... -
Federal
Measurements of arsenic in Sonora mud turtles and their food web at Montezuma Well, Arizona 2010-2015
Department of the Interior —
These data were compiled to better understand the geogenic arsenic cycle in a unique natural wetland in central Arizona. The objective of our study was to determine... -
Federal
Vegetation and soil data describing oil and gas well pad reclamation and surrounding reference areas in the Southwestern United States
Department of the Interior —
These data were compiled to monitor potential changes in vegetation and soil properties to indicate recovery of reclaimed oil and gas sites with time since...
217 datasets found