Found 312 datasets matching filters.
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In this data release, we provide data to describe the water quality in Green Lake, Wisconsin, from 1905 to 2020, primarily the constituents for which it is impaired, including near-surface total...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: May 05, 2026 at 09:20 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 -
Acoustic telemetry is a popular tool for the study of fish spatial ecology. In acoustic telemetry, fish are captured, surgically implanted with an acoustic transmitter or ‘tag’, and then released...
Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: May 05, 2026 at 08:57 PM -
These data are a compilation of geographically widespread observations of premature mortality in Pacific salmon across their range in Alaska in 2019. Premature mortality observations primarily...
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: May 05, 2026 at 07:44 PM -
We used visual surveys to document the presence of all life stages of Cascades frog (Rana cascadae) at historically occupied sites. We surveyed 67 sites 1-2 times between May and August of 2018...
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: May 05, 2026 at 08:46 PM -
The US Fish and Wildlife Service (USFWS) is evaluating the status of the Cascade torrent salamander (Rhyacotriton cascadae) across its range to determine whether the species merits listing under...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: May 05, 2026 at 08:20 PM -
We used radio-telemetry to study late-season movement and habitat use by Oregon spotted frogs (Rana pretiosa) at Crane Prairie Reservoir in Oregon. This dataset includes individual frog location...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 10:13 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 -
The Willamette River Basin, Oregon, supports native fish species and non-native fish species introduced for sport fisheries or accidentally from aquarium releases and other sources. Based on fish...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 09:42 PM -
This data release contains environmental and quality control results for chemical, biological, and physical sampling of water and bed sediment from Albemarle Sound and associated tributaries...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 08:26 PM -
Monitoring of vitamin B1 (thiamine) in the eggs of lake trout (Salvelinus namaycush) collected from lakes Huron and Michigan has been conducted by the U.S. Geological Survey since the mid-1990’s. ...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 09:52 PM -
The U.S. Geological Survey (USGS) Coral Reef Ecosystems Studies (CREST) project (https://coastal.er.usgs.gov/crest/) provides science that helps Department of Interior and other resource managers...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 07:58 PM -
This dataset contains information from surveys conducted 2016-2024 by USGS as part of an ongoing Oregon spotted frog (Rana pretiosa) monitoring effort in Oregon. USGS research activities 2016-2024...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 09:52 PM -
Recent declines in Lake Whitefish population abundance has prompted research to identify underlying mechanisms controlling survival of early life stages in the Great Lakes. In Lake Erie, the...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 08:30 PM -
The U.S. Geological Survey (USGS) Coral Reef Ecosystems Studies (CREST) project (https://coastal.er.usgs.gov/crest/) provides science that helps resource managers tasked with the stewardship of...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 10:13 PM -
This data set includes environmental and biological information on fishes collected using gill nets and otter trawls during day and night, as well as diet data for Striped bass and Sacramento...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 09:49 PM -
Annotated bibliography of grazing effects on amphibians and their habitats (ver. 2.0, February 2022)
This database contains literature citations and associated summaries pertaining to livestock grazing effects on amphibians and their habitats, with an emphasis on the Oregon spotted frog (Rana...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 09:10 PM -
This data release contains cyanotoxin concentrations for microcystins, cylindrospermopsins, anatoxins, and saxitoxins assessed using Enzyme-Linked Immunosorbent Assays (ELISA) on 363 samples...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 09:00 PM -
This data set includes information on benthic algae community composition collected during the growing seasons of 2018-2023 at stations located along the U.S. shoreline of Lakes Michigan, Huron,...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 09:21 PM -
Staghorn coral, Acropora cervicornis, is a threatened species and the primary focus of western Atlantic reef-restoration efforts to date. As part of the USGS Coral Reef Ecosystems Studies project...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 09:56 PM
