57 datasets found
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Federal
Benthic community near the Palo Alto Regional Water Quality Control Plant in South San Francisco Bay (ver 3.0, July 2025)
Department of the Interior —
Determining spatial distributions and temporal trends in trace metals in sediments and benthic organisms is common practice for monitoring environmental... -
Federal
San Nicolas Island benthic sea urchin diameters 2014-2019
Department of the Interior —
These data represent sizes of individuals of the sea urchin species Strongylocentrotus franciscanus (also known as Mesocentrotus franciscanus) and Strongylocentrotus... -
Federal
Captures and habitat classification of benthic fishes along the Missouri and Lower Yellowstone Rivers, 1996-1998
Department of the Interior —
In 1995, the Missouri River Benthic Fishes Study was initiated to provide improved information on Missouri River fish populations and how alterations might affect... -
Federal
San Nicolas Island benthic transect densities 1980-2019
Department of the Interior —
These data represent density per square meter of individuals of a suite of kelp and macroinvertebrate species on fixed 10-meter by 2-meter benthic transects on... -
Federal
Effects of metals from historical mining on crayfish in Madison County Missouri USA, 2015
Department of the Interior —
Deposits of lead (Pb) and other metals in southeastern Missouri, USA have been exploited since the 1700s. Metal contamination of fish and other aquatic biota,... -
Federal
Mercury in biota from Clear Lake, California (ver. 3.0, August 2024)
Department of the Interior —
Comma-separated values (.csv) file containing data related to mercury in biota collected from Clear Lake California. -
Federal
Glacier Bay National Park and Preserve Sea Otter Forage Data, 1993-2019
Department of the Interior —
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... -
Federal
Data for monitoring trace metal and benthic community near the Palo Alto Regional Water Quality Control Plant in South San Francisco Bay, California (ver. 3.0, July 2025)
Department of the Interior —
Trace-metal concentrations in sediment and in the clam Macoma petalum (World Register of Marine Species, 2025; formerly reported as Limecola balthica and M. petalum),... -
Federal
Sea urchin counts obtained by SCUBA at shallow nearshore sites along the north Pacific Rim from Bering Island to Southeast Alaska during 1987-2021
Department of the Interior —
The data consist of counts of sea urchins in quadrats from over 600 nearshore rocky bottom sites that were sampled by scuba between 1987 and 2021. The sites are from... -
Federal
Kelp counts and bottom cover estimates obtained by SCUBA at shallow nearshore sites along the north Pacific Rim from Bering Island to Southeast Alaska during 1987-2021
Department of the Interior —
The data consist of counts of kelps and estimated percent cover of fleshy red algae, other benthic algal cover, and non-motile invertebrates in quadrats from over 600... -
Federal
Depth average velocity of select Rock Outcrops of the St. Croix River, May 2021
Department of the Interior —
This dataset is a digital surface of depth-averaged flow velocities for six sites where known rock structures exist in the St. Croix River. Acoustic Doppler Current... -
Federal
Empirical data supporting a non-lethal method for characterizing the reproductive status and larval development of freshwater mussels (Bivalvia: Unionida)
Department of the Interior —
Here we present the data collected during a mark-recapture study on freshwater mussels in Bruce Creek, Walton County, Florida. These data were used to evaluate the... -
Federal
Benthic Community Dynamics in Coyote Creek and Artesian Slough, Southern San Francisco Bay, California, May 2016 to March 2018
Department of the Interior —
Benthic invertebrate communities are monitored because the composition of those communities can affect and be affected by the water quality of an aquatic system.... -
Federal
Data from 10-day sediment toxicity tests of bed sediments from the Niagara River Area of Concern and tributaries, New York, with Chironomus dilutus and Hyalella azteca, 2014-15
Department of the Interior —
Data from 10-day sediment toxicity tests of bed sediments from the Niagara River area of concern and tributaries, Niagara and Erie County, New York. Specifically, the... -
Federal
August - October 1998 Faunal Survey in Closed Area II, Central Georges Bank
Department of the Interior —
During the months of August-October, 1998, the National Marine Fisheries Service and the New England scallop industry conducted a cooperative survey of Closed Area II... -
Federal
Molecular characterization of deep-sea bathymodiolin mussels and gill symbionts from the U.S. mid-Atlantic margin
Department of the Interior —
These datasets provide geographic sampling information for Bathymodiolin mussel samples collected from three cold seep sites off the mid-Atlantic U.S. coast,... -
Federal
Paleolimnological Analysis of Cyanobacteria and Carbon in Sediment Cores from Moreau and Brant Lakes, Adirondack Region, New York, September 2022
Department of the Interior —
This U.S. Geological Survey (USGS) data release contains results of a paleolimnological analysis of cyanobacteria occurrence in Moreau and Brant Lake in the... -
Federal
Stream cross-section, benthic macroinvertebrate and fish taxa counts and abundance, and water chemistry data for the Clarksburg study area in Montgomery County, Maryland, 1992 - 2020
Department of the Interior —
Montgomery County, Maryland Department of Environmental Protection has collected datasets to assess the health of streams since the early 1990s. Datasets include... -
Federal
Aquatic prey resources in response to estuary restoration in Willapa Bay, Washington (2014-2015)
Department of the Interior —
The ongoing restoration of more than 200 hectares of estuarine habitat at Willapa National Wildlife Refuge, southwestern Washington, is expected to benefit a variety... -
Federal
700kHz Bathymetric Slope of select Rock Outcrops of the St. Croix River, May 2021
Department of the Interior —
This dataset is a digital surface model of the slope for six sites where known rock structures exist in the St. Croix River. Slope is the gradient, or rate of maximum...
57 datasets found