82 datasets found
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Federal
Effects of metals from historical mining on crayfish in Madison County Missouri USA, 2015 recent views
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 multibeam echo sounder data-Santa Barbara Channel recent views
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) recent views
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
Benthic habitats of the coral reef ecosystem on the south shore of Moloka'i recent views
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
Data for Assessing the Status of Macroinvertebrate Communities and Sediment Toxicity in the Buffalo River Area of Concern, New York recent views
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
Proximal and distal factors associated with the decline in secondary invertebrate prey production in the Colorado River, Glen Canyon, Arizona. recent views
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. recent views
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
Seafloor character from lidar data-Santa Barbara Channel recent views
Department of the Interior —
Seafloor character was derived from interpretations of lidar data available for the mainland coast within the study area from the California State Waters Mapping... -
Federal
1930-1932 Gill net data from Lake Michigan recent views
Department of the Interior —
These data describe the catch and biological data from 363 bottom-set gill-net lifts distributed throughout Lake Michigan (including main basin and Green Bay) between... -
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 recent views
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
Benthic Community Dynamics in Coyote Creek and Artesian Slough, Southern San Francisco Bay, California, May 2016 to March 2018 recent views
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
National Park Service St. Croix National Scenic Riverway - Osceola Bed Observations, 20191017 recent views
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
Stable Isotopes in Biota in Lake Mead National Recreation Area near Las Vegas, Nevada recent views
Department of the Interior —
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... -
Federal
Isotope data from Shimada 2018 research expedition recent views
Department of the Interior —
Stable isotope data of fauna, particulate organic matter, and rocks collected during the 2018 research cruise aboard the NOAA Ship Bell M. Shimada that examined... -
Federal
Benthic community near the Palo Alto Regional Water Quality Control Plant in South San Francisco Bay (ver 2.0, November 2022) recent views
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
Bathymetry of select Rock Outcrops of the St. Croix River, May 2021 recent views
Department of the Interior —
This dataset is a digital elevation model (DEM) of the bathymetry for six sites where known rock structures exist in the St. Croix River. The DEMs have a 10-cm... -
Federal
St. Croix River - Bathymetry Digital Elevation Model (DEM) - 2018 recent views
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
Synthetic Organic Compounds in Water in Lake Mead National Recreation Area near Las Vegas, Nevada recent views
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
Habitat--Offshore of Gaviota Map Area, California recent views
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
Seafloor character from sidescan sonar data-Santa Barbara Channel recent views
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...
82 datasets found