583 datasets found
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Federal
Multi-source Discrete Chlorophyll Data in the Illinois River Basin, 1981–2023
Department of the Interior —
This data release contains discrete chlorophyll data, specifically corrected chlorophyll a, uncorrected chlorophyll a, and pheophytin pigments, from inland waters in... -
Federal
Sedimentary Data Collected in November 2015 From Old Tampa Bay, Florida (U.S. Geological Survey Field Activity Number 2015–341–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
Gulf Watch Alaska Nearshore Component: Monitoring Site Locations from Prince William Sound, 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, nearshore monitoring component. Specifically, these data describe site locations for... -
Federal
Cladophora biomass and supporting data collected in the Great Lakes, 2021
Department of the Interior —
This dataset records Cladophora and associated benthic algae, collectively Cladophora community or submerged aquatic vegetation (SAV), biomass collected during 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
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
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
Kailua Bay, Oahu, Hawaii Benthic Mapping Data 1999-2001 (NODC Accession 0001239)
National Oceanic and Atmospheric Administration, Department of Commerce —
Benthic mapping surveys were conducted from March 1999 to January 2001 aperiodically in support of research related to sedimentology, sea level history, and reef... -
Federal
Hawaii Coral Reef Assessment and Monitoring Program (CRAMP): Benthic Data from 1999-2001 (NODC Accession 0000969)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset consists of CRAMP surveys taken in 1999-2001 and includes quantitative estimates of substrate type, species type, and percent coverage. Fish data are... -
Federal
Benthic Habitats of the Main Hawaiian Islands 2000 - Oahu Section 2, Prepared by Visual Interpretation from Remote Sensing Imagery Collected by NOAA
National Oceanic and Atmospheric Administration, Department of Commerce —
This project is a cooperative effort between the National Ocean Service, National Centers for Coastal Ocean Science, Center for Coastal Monitoring and Assessment, the... -
Federal
CRED REA Algal Assessments at Uracas (Farallon de Pajaros), Marianas Archipelago in 2007
National Oceanic and Atmospheric Administration, Department of Commerce —
Twelve quadrats were sampled along 2 consecutively-placed, 25m transect lines, as part of Rapid Ecological Assessments, conducted at 3 sites at Uracas (Farallon de... -
Federal
Benthic Habitats of the Main Hawaiian Islands 2000 - Niihau, Prepared by Visual Interpretation from Remote Sensing Imagery Collected by NOAA
National Oceanic and Atmospheric Administration, Department of Commerce —
This project is a cooperative effort between the National Ocean Service, National Centers for Coastal Ocean Science, Center for Coastal Monitoring and Assessment, the... -
Federal
Biodiversity of marine communities in Pearl Harbor, Oahu, Hawaii with observations in 1996 on introduced exotic species (NODC Accession 0000330)
National Oceanic and Atmospheric Administration, Department of Commerce —
The marine and estuarine invertebrate and fish communities in Pearl Harbor, Oahu, Hawaii were surveyed between January and October, 1996. Samples were taken and... -
Federal
CRED REA Algal Assessment, Arakane Reef 2003 (NODC Accession 0010352)
National Oceanic and Atmospheric Administration, Department of Commerce —
Twelve quadrats were sampled along 2 consecutively-placed, 25m transect lines as part of Rapid Ecological Assessments conducted at 1 site at Arakane Reef in the... -
Federal
Accuracy Assessment Field Data for the Main Eight Hawaiian Islands UTM Zone 5, 2004-2007
National Oceanic and Atmospheric Administration, Department of Commerce —
This project is a cooperative effort between the National Ocean Service, National Centers for Coastal Ocean Science, Center for Coastal Monitoring and Assessment, the... -
Federal
Assessment of Species Composition, Diversity, and Biomass in Marine Habitats and Subhabitats around Offshore Islets in the Main Hawaiian Islands 2007 (NODC Accession 0042684)
National Oceanic and Atmospheric Administration, Department of Commerce —
The marine algae, invertebrate and fish communities were surveyed at ten islet or offshore island sites in the Main Hawaiian Islands in the vicinity of Lanai, (Puu... -
Federal
Determination of Baseline Conditions for Introduced Marine Species in Nearshore Waters of the Island of Kaho'olawe, Hawaii in January 1998 (NODC Accession 0000715)
National Oceanic and Atmospheric Administration, Department of Commerce —
A survey of the marine macroalgae and invertebrates in the intertidal and subtidal zones was conducted at seven sites around Kaho'olawe Island from January 12 to 14,... -
Federal
Investigation of the marine communities of Midway Harbor and adjacent lagoon, Midway Atoll, Northwest Hawaiian Islands in 1998 (NODC Accession 0001098)
National Oceanic and Atmospheric Administration, Department of Commerce —
A survey of the marine communities of Midway Atoll harbor and surrounding lagoon was conducted at 12 sites from September 5 to 9, 1998. The primary focus of these... -
Federal
2001 Abundance Data Acquired in Support of Invasive Species Distribution Studies at 10 Macroalgal Ecology and Taxonomic Assessment Sites in Hawaii (NODC Accession 0000879)
National Oceanic and Atmospheric Administration, Department of Commerce —
Abundance data represent estimates of percent cover of species type (coral or algal) in 10 randomly placed quadrats along two 50 meter transect lines of each site.... -
Federal
CRED REA Algal Assessments, Maro Reef, Northwestern Hawaiian Islands 2003 (NODC Accession 0010352)
National Oceanic and Atmospheric Administration, Department of Commerce —
Twelve quadrats were sampled along 2 consecutively-placed, 25m transect lines as part of Rapid Ecological Assessments conducted at 9 sites at Maro Reef in the...
583 datasets found