Found 113 datasets matching filters. (clear all filters)
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A benthic habitat polygon coverage has been created of the coral reef ecosystem within and adjacent to Kaloko-Honokohau (KAHO) National Historical Park on the Kona Coast of Hawai'i. Polygons were...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: May 05, 2026 at 07:58 PM -
This data release presents the results of analyses of biota and water samples collected on multiple dates from 2007 to 2014 at 3 locations in Lake Mead National Recreation Area. Data are presented...
Search relevance: 1.00 | Views last month: 18 | Catalog Last Checked: May 05, 2026 at 07:59 PM -
The data represent counts of individuals of a suite of kelp and macroinvertebrate species on fixed 10-meter by 2-meter benthic transects on permanent subtidal monitoring sites around San Nicolas...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: May 05, 2026 at 07:29 PM -
Using a bioenergetic model, demographic data for the Rainbow Trout (Oncorhynchus mykiss) population were compiled and used to estimate total prey consumption in the Colorado River, Glen Canyon ,...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 10:04 PM -
This dataset presents the results of analysis of aquatic biota tissue samples, collected at 2 sites (Las Vegas Bay and Overton Arm) in 2013 and 2 sites (Las Vegas Bay, Boulder Basin, and Overton...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 08:12 PM -
These data describe observations of sea otter foraging behavior in Glacier Bay National Park and Preserve. Data consist of dive and surface times, success in prey retrieval, prey item, prey...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 07:50 PM -
Comma-separated values (.csv) file containing data related to mercury in biota collected from Clear Lake California.
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 08:27 PM -
In 2014, the USGS Lake Erie Biological Station participated in the Coordinated Science and Monitoring Initiative (CMSI) program, a program founded by the U.S. Environmental Protection Agency (EPA)...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 07:34 PM -
This dataset presents the results of analysis of aquatic biota tissue samples, collected over multiple sampling events from in from 2007 to 2014 at three sites (Las Vegas Bay, Overton Arm, and...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 08:26 PM -
Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Combining these data in a GIS...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 10:04 PM -
This dataset presents the results of passive water sampling conducted at 2 sites in 2013 and 3 sites in 2014 in Lake Mead National Recreational Area. Polar Organic Chemical Integrative Samplers...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 10:04 PM -
This dataset contains carbon and nitrogen stable isotope values, percent carbon and percent nitrogen, algal pigment data, and diatom taxonomy from lake sediment layers dating back to 1749 Common...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 08:59 PM -
The data consist of test diameters of sea urchins collected from quadrats from over 600 nearshore rocky bottom sites that were sampled by scuba between 1987 and 2021. The sites are from 38...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 08:15 PM -
This data release contains eight data tables and a data dictionary for the SF Bay-Delta Priority Ecosystems Science Program - Biophysical Controls on Erosion and Near-Bed Turbulence: Strengthening...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 05, 2026 at 09:18 PM -
Declining phytoplankton biomass and the resulting stress on the food web has been suggested as one contributor to the decline of Delta Smelt and other fish species in the San Francisco Bay (SFB)...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 05, 2026 at 07:31 PM -
These data are part of the Gulf Watch Alaska (GWA) long-term monitoring program and describe mussel sampling and observations conducted in the northern Gulf of Alaska. This dataset consists of six...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 05, 2026 at 07:43 PM -
High resolution mapping data from vessel multibeam and submersible sonar systems; singlebeam and sub-bottom profile data; periodic CTD casts; submersible CTD data; underwater video from...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 05, 2026 at 09:00 PM -
Montgomery County, Maryland Department of Environmental Protection has collected datasets to assess the health of streams since the early 1990s. Datasets include geomorphic stream cross-sectional...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 05, 2026 at 09:50 PM -
Benthic invertebrate communities are monitored because the composition of those communities can affect and be affected by the water quality of an aquatic system. Benthic communities use and...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 05, 2026 at 09:22 PM -
A benthic habitat polygon coverage has been created of the coral reef ecosystem on the south shore of Moloka'i. Polygons were hand-digitized from visual interpretation of aerial photography and...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 05, 2026 at 09:29 PM
