101 datasets found
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Federal
Species of Greatest Conservation Need National Database
Department of the Interior —
The Species of Greatest Conservation Need National Database is an aggregation of lists from State Wildlife Action Plans. Species of Greatest Conservation Need (SGCN)... -
Federal
Hyperspectral profiles of Harmful Algal Blooms (HABs) and other algae, 2022
Department of the Interior —
This dataset is a collection of hyperspectral imagery profiles of algae, many associated with Harmful Algae Blooms (HABs). Data were collected using a microscope-... -
Federal
High-speed mapping of water isotopes and residence time in Cache Slough Complex, San Francisco Bay Delta, CA
Department of the Interior —
Real-time, high frequency (1-second sample interval) GPS location, water quality, and water isotope (δ2H, δ18O) data was collected in the Cache Slough Complex (CSC),... -
Federal
Phytoplankton identification and biovolume data for field samples from Detroit Lake, Oregon, collected in August 2019 and August 2020
Department of the Interior —
This dataset contains taxonomic and biovolume data for phytoplankton sampled from Detroit Lake, OR, in August, 2019, and August, 2020. Taxonomy is reported to the... -
Federal
Cyanobacterial Picoplankton Data Collected from four Kansas Reservoirs during August 2020 through August 2022
Department of the Interior —
This dataset provides the estimated cell abundance and total biovolume for whole-water picoplankton samples collected by the U.S. Geological Survey (USGS) at 25... -
Federal
Bayou D'Arbonne Lake Study Area
Department of the Interior —
This data release includes GIS shapefiles and metadata for location of the study area and phytoplankton taxonomy counts determined by Dr. Russel Rhodes, Faculty... -
Federal
Paleoecological data from sediment collected in 2020 from Santa Fe Lake, New Mexico
Department of the Interior —
This dataset contains carbon and nitrogen stable isotope values, percent carbon and percent nitrogen, algal pigment data, and diatom taxonomy from lake sediment... -
Federal
Sedimentary Data Collected in September 2016 From Old Tampa Bay, Florida (U.S. Geological Survey Field Activity Number 2016–350–FA)
Department of the Interior —
The toxic dinoflagellate Pyrodinium bahamense (P. bahamense) produces recurring, persistent summer algal blooms in Old Tampa Bay, Florida, which degrade water quality... -
Federal
Phytoplankton data for samples collected at eleven large river sites throughout the United States, June through October 2018
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides phytoplankton data for samples collected from eleven large river sites throughout the United States, from... -
Federal
Compilation of State-Level Freshwater Harmful Algal Bloom Recreational and Drinking Water Guidelines for the Conterminous United States as of 2022
Department of the Interior —
This data release contains a national compilation of state-level qualitative and quantitative guidance for a variety of environmental indicators that are used to... -
Federal
Stability testing results for stock solutions to standardize calibration of field fluorescence sensors
Department of the Interior —
Optical sensors measuring fluorescence of dissolved organic matter (fDOM) are increasingly used in water quality studies because they provide proxy measurements for a... -
Federal
Data for Analysis of Endocrine Disrupting Compounds in Lake Mead National Recreation Area near Las Vegas, Nevada
Department of the Interior —
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... -
Federal
In Situ Fluorometric Measurements of Cyanobacteria, Green Algae, and Diatoms in Biofilms from Northwest Alaskan Rivers During Summer and Fall 2016-2019
Department of the Interior —
This dataset contains measurements of in situ benthic biofilms from rivers of northwest Alaska during summer and fall 2016-2019. Measurements were made using a... -
Federal
Owasco Lake, New York spatial water-quality data, June 26 and October 8, 2019
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides high-resolution, nearshore, spatial water-quality data collected from Owasco Lake, New York, on June 26 and... -
Federal
Benthic Algal Community Composition in the Laurentian Great Lakes (2018-2023)
Department of the Interior —
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.... -
Federal
Phytoplankton data for Cheney Reservoir near Cheney, Kansas, June 2001 through September 2020 (ver. 3.0, August 2021)
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides phytoplankton data collected from Cheney Reservoir, Kansas, during June 2001 through September 2020. All data... -
Federal
Phytoplankton data for Stagecoach Reservoir near Steamboat Springs, Colorado, (ver. 2.0, December 2025)
Department of the Interior —
This U.S. Geological Survey (USGS) data release provides phytoplankton data collected from Stagecoach Reservoir, Colorado, during the summer months, July through... -
Federal
Linking the Agricultural Landscape of the Midwest to Stream Health with Structural Equation Modeling: Model Input Data
Department of the Interior —
Biological, chemical, physical habitat, riparian, and land-use data collected from the Midwest streams by the National Water Quality Project Regional Stream Quality... -
Federal
Water temperature and dissolved oxygen data from Stalker Creek, Idaho, used in a USGS National Water Quality Project assessing nutrients in agricultural streams
Department of the Interior —
This dataset includes water temperature and dissolved oxygen collected during July 2007 from Stalker Creek in Idaho. Data was collected at 3 minute intervals over... -
Federal
Mississippi Sound Phytoplankton 2019
Department of the Interior —
The Bonnet Carré Spillway (BCS), located about 28 miles northwest of New Orleans, was constructed by the US Army Corp of Engineers (USACE) in the early 1930s as part...
101 datasets found