Search datasets
-
These data were compiled to study mercury and selenium concentrations in fish species and assemblages in lotic waterbodies across the Upper Colorado River Basin. Data were compiled from State and...
Search relevance: 1.00 | Views last month: 24 | Catalog Last Checked: May 05, 2026 at 10:17 PM -
Two unique datasets were gathered to document whether flow management for hydropower affects the abundance and diversity of aquatic insect assemblages. The first dataset was collected in Grand...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: May 05, 2026 at 07:28 PM -
The U.S. Geological Survey (USGS), in cooperation with the Bureau of Reclamation, completed a review of dissolved selenium data collected from the Selenium Management Program network during each...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 09:02 PM -
This data is a compilation of fishery monitoring data collected by state agencies over several decades in tailwaters downriver of dams in Colorado, Utah, Montana, Wyoming, Idaho, New Mexico,...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 08:12 PM -
These data describe the distribution and abundance of Hydropsyche, a widespread and diverse genus of net-spinning caddisflies, in the Colorado River Basin. Abundance data, measured as catch rates,...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 05, 2026 at 08:51 PM -
These data were compiled for a mtDNA (CO1 gene) analysis of net-spinning caddisflies (Hydropsyche oslari) in the Colorado River Basin of the western United States. They were incorporated in a...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 05, 2026 at 10:01 PM -
The U.S. Geological Survey (USGS) calculated multiple basin characteristics as part of preparing the Upper Colorado & Gunnison Rivers Pilot StreamStats application. These datasets are raster...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 08:07 PM -
Salinity levels in streams and tributaries of the Colorado River Basin have been a major concern for years. Recently, the United States Geological Survey’s (USGS) Next Generation Water Observing...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 09:46 PM -
In 1990 the US Geological Survey Fort Collins Science Center and National Park Service Water Resources Division established 133 permanent 1meter (m) X 2 m plots along the Gunnison River near...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 08:10 PM -
Near-surface geophysical surveys were conducted during March 2018 in an irrigated agricultural drainage near Delta, Colorado, locally know as Sunflower Drain. This data release presents results of...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 09:29 PM -
Mitigating the effects of salinity (total dissolved solids [TDS]) and selenium on water quality in the lower Gunnison River Basin of western Colorado is a major concern for land managers. In...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 07:42 PM -
These data describe aquatic macroinvertebrate drift downstream of tailwaters below large dams throughout the Colorado River Basin, collected in spring, summer, and fall 2015. Study sites include...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 09:38 PM -
Surface water samples were collected from two basins included in the Next Generation Water Observing System network. Six sites were within the Upper Colorado (UCOL) basin, of which three sites...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 08:14 PM
