82 datasets found
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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
700kHz Bathymetric Roughness of select Rock Outcrops of the St. Croix River, May 2021
Department of the Interior —
This dataset is a digital surface model of the roughness for five (of six) sites where known rock structures exist in the St. Croix River. Roughness is the degree of... -
Federal
Sidescan Image Mosaics of select Rock Outcrops of the St. Croix River, May 2021
Department of the Interior —
This dataset is a digital image mosaic of sidescan for six sites where known rock structures exist in the St. Croix River. Sidescan sonar emits conical or fan-shaped... -
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
Habitat--Offshore of Point Conception Map Area, California
Department of the Interior —
This part of DS 781 presents data for the habitat map of the Offshore of Point Conception Map Area, California. The vector data file is included in... -
Federal
Synthetic Organic Compounds in Water in Lake Mead National Recreation Area near Las Vegas, Nevada
Department of the Interior —
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... -
Federal
Intertidal Soft-Sediment Bivalves from Prince William Sound, Kachemak Bay, Katmai National Park and Preserve, and Kenai Fjords National Park
Department of the Interior —
These data are part of the Gulf Watch Alaska (GWA) long-term monitoring program and describe bivalve count and size sampling and observations conducted at intertidal... -
Federal
Carbon and nitrogen isotopic analysis of Diamondback terrapin tissues, vegetative, and benthic invertebrate resources within Barnegat Bay, New Jersey during 3 sampling sessions between 2011-2019
Department of the Interior —
This dataset represents stable carbon and nitrogen isotopic information from tissue samples collected from diamondback terrapins, potential prey items, and vegetation... -
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
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
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... -
Federal
National Park Service St. Croix National Scenic Riverway - Osceola Bed Observations, Still Images, 20191017
Department of the Interior —
The U.S. Geological Survey (USGS) collected hydroacoustic data of the St. Croix River adjacent to the Osceola (WI) boat ramp for hydrographic and benthic mapping... -
Federal
Seafloor character from sidescan sonar data-Santa Barbara Channel
Department of the Interior —
Substrate was classified using the method of (Cochrane and Lafferty, 2002) for this study. Sea floor character derived from towed sidescan sonar data is available for... -
Federal
Data for assessing the status of sediment toxicity and macroinvertebrate communities in the Eighteenmile Creek Area of Concern, New York, 2014
Department of the Interior —
Data from 10-day sediment toxicity tests of bed sediments from the Eighteenmile Creek Area of Concern and Oak Orchard Creek (nearby reference stream), Niagara and... -
Federal
Sea Otter Spraint Data from Kachemak Bay, Katmai National Park and Preserve, Kenai Fjords National Park and Prince William Sound
Department of the Interior —
These data are part of the Gulf Watch Alaska (GWA) long-term monitoring program. This dataset consists of observations of sea otter (Enhydra lutris) fecal samples... -
Federal
Trace-element concentrations in water, streambed sediment, and aquatic invertebrates at select locations in the Klamath River and major tributaries, 2018-2019.
Department of the Interior —
The U.S. Geological Survey is monitoring concentrations of metals and other trace elements in water, streambed sediment, and aquatic invertebrates at 6 locations in... -
Federal
St. Croix River - Sidescan Image Mosaic, 2018
Department of the Interior —
Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery.... -
Federal
St. Croix National Scenic Riverway, Substrate Characterization of the St. Croix River near Hudson, WI, 2018
Department of the Interior —
Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery.... -
Federal
Sea urchin test diameters obtained by SCUBA collections 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 test diameters of sea urchins collected from quadrats from over 600 nearshore rocky bottom sites that were sampled by scuba between 1987 and 2021.... -
Federal
Kelp and invertebrate counts on permanent benthic transects 1980-2018 at San Nicolas Island, California
Department of the Interior —
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...
82 datasets found