89 datasets found
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Federal
Kelp and sea urchin data obtained by SCUBA at shallow nearshore sites along the North Pacific Rim from Bering Island to Southeast Alaska obtained over multiple decades beginning in 1987
Department of the Interior —
Between 1987 and 2021, over 600 nearshore rocky bottom sites were sampled by scuba at 38 locations on the north Pacific Rim ranging from Bering Island, along the... -
Federal
Seafloor character from multibeam echo sounder data-Santa Barbara Channel
Department of the Interior —
Substrate was classified using the method of (Cochrane 2008) for this study multibeam sonar. Sea floor character derived from multibeam sonar data is available for... -
Federal
Data for monitoring trace metals in sediment and clam tissue near the Palo Alto Regional Water Quality Control Plant in South San Francisco Bay, California (ver 2.0, November 2022)
Department of the Interior —
Sediment particles can strongly bind metals, effectively repartitioning them from solution to a solid phase. As a result, sediments may accumulate and retain metals... -
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
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
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
Data for Assessing the Status of Macroinvertebrate Communities and Sediment Toxicity in the Buffalo River Area of Concern, New York
Department of the Interior —
Data from 10-day sediment toxicity tests of bed sediments from the Buffalo River Area of Concern (AOC) and reference reaches on the Buffalo River upstream of the AOC,... -
Federal
Benthic habitats of the coral reef ecosystem on the south shore of Moloka'i
Department of the Interior —
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... -
Federal
Proximal and distal factors associated with the decline in secondary invertebrate prey production in the Colorado River, Glen Canyon, Arizona.
Department of the Interior —
Using a bioenergetic model, demographic data for the Rainbow Trout (Oncorhynchus mykiss) population were compiled and used to estimate total prey consumption in the... -
Federal
Benthic Community and Bivalve Metrics Data in the Sacramento - San Joaquin Delta from 2015 to 2018.
Department of the Interior —
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... -
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
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... -
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
Subtidal ecosystems at San Nicolas Island, California
Department of the Interior —
The monitoring program at San Nicolas Island (SNI) was conceived in anticipation of the potential reintroduction of southern sea otters to the island. Subtidal... -
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
National Park Service St. Croix National Scenic Riverway - Osceola Bed Observations, 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
Benthic community near the Palo Alto Regional Water Quality Control Plant in South San Francisco Bay (ver 2.0, November 2022)
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
Habitat--Offshore of Gaviota Map Area, California
Department of the Interior —
This part of DS 781 presents data for the habitat map of the Offshore of Gaviota Map Area, California. The vector data file is included in... -
Federal
Benthic Communities as Mediators of Water Quality in Lower San Francisco Bay, California (2012-2019)
Department of the Interior —
This data release contains ten data tables and a data dictionary for the Technical Assistance Agreement (TAA) between the U.S. Geological Survey and the San Francisco... -
Federal
Benthic habitats of the coral reef ecosystem off the coast of Kaloko-Honokohau (KAHO) National Historical Park
Department of the Interior —
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...
89 datasets found