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State
Indicators of Climate Change in California
State of California —
An introduction to the 2022 Indicators of Climate Change in California Report. The Indicators of Climate Change in California report documents observed changes in the... -
State
Harmful Algal Bloom Statewide Occurrence Summary: 2012-2018
State of New York —
A summary of the maximum bloom status that was documented by the DEC HABs Program in each waterbody in each year from 2012-2018. Continuing data available at... -
Federal
NOAA NCCOS: New England Red Tide Research
National Oceanic and Atmospheric Administration, Department of Commerce —
Alexandrium blooms are one of several algal bloom types often called "red tides," but more correctly referred to as Harmful Algal Blooms (HABs). Alexandrium produces... -
Federal
SUPERSEDED: Data Associated With Algal Toxin Testing of Common Murres (Uria aalge) and Forage Fish in Alaska, 2015–2017
Department of the Interior —
This data set is comprised of two tables with results of algal toxin screening for saxitoxin and domoic acid. We used enzyme-linked immunosorbent assay (ELISA) and... -
Federal
Harmful Algal Bloom Toxins in Seabirds, Forage Fish, and Marine Invertebrates Across Alaska
Department of the Interior —
These data include results from screening tissues of marine organisms for the presence of harmful algal bloom (HAB) toxins: saxitoxin and its related congeners (STX)... -
Federal
2024 Grand Lake St. Marys qPCR data for microcystin producers
U.S. Environmental Protection Agency —
This data set includes qPCR data for the microcystin producing planktothrix (mcyApla) gene and the microcystin producing cyanobacteria (Hep) gene for samples... -
Federal
2025 Grand Lake St. Marys flow cytometry data for planktothrix
U.S. Environmental Protection Agency —
This data set includes flow cytometry data for planktothrix in samples collected from Gran Lake St. Marys and downstream waterways in 2025 -
Federal
C-HARM v2 1-Day Forecast, Pseudo-nitzschia, cellular domoic acid, and particular domoic acid probability, California and Southern Oregon coast, 2022-present, Lon+/-180
National Oceanic and Atmospheric Administration, Department of Commerce —
The C-HARM model generates nowcast and forecasts of the probability of Pseudo-nitzschia concentrations of in excess of 10,000 cells/L, the probability of particulate... -
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
C-HARM v2 Nowcast, Pseudo-nitzschia, cellular domoic acid, and particular domoic acid probability, California and Southern Oregon coast, 2022-present, Lon+/-180
National Oceanic and Atmospheric Administration, Department of Commerce —
The C-HARM model generates nowcast and forecasts of the probability of Pseudo-nitzschia concentrations of in excess of 10,000 cells/L, the probability of particulate... -
Federal
C-HARM v1, 3-Day Forecast, Pseudo-nitzschia, cellular domoic acid, and particular domoic acid probability, California and Southern Oregon coast, 2018-2022
National Oceanic and Atmospheric Administration, Department of Commerce —
The C-HARM model generates nowcast and forecasts of the probability of Pseudo-nitzschia concentrations of in excess of 10,000 cells/L in California and Southern... -
Federal
C-HARM v1 Nowcast, Pseudo-nitzschia, cellular domoic acid, and particular domoic acid probability, California and Southern Oregon coast, 2018-2022
National Oceanic and Atmospheric Administration, Department of Commerce —
The C-HARM model generates nowcast and forecasts of the probability of Pseudo-nitzschia concentrations of in excess of 10,000 cells/L in California and Southern... -
Federal
2022 Grand Lake St. Marys qPCR data for microcystin producers
U.S. Environmental Protection Agency —
This data set includes qPCR data for the microcystin producing planktothrix (mcyApla) gene and the microcystin producing cyanobacteria (Hep) gene for samples... -
Federal
2023 Grand Lake St. Marys qPCR data for microcystin producers
U.S. Environmental Protection Agency —
This data set includes qPCR data for the microcystin producing planktothrix (mcyApla) gene and the microcystin producing cyanobacteria (Hep) gene for samples... -
Federal
C-HARM v2 2-Day Forecast, Pseudo-nitzschia, cellular domoic acid, and particular domoic acid probability, California and Southern Oregon coast, 2022-present, Lon+/-180
National Oceanic and Atmospheric Administration, Department of Commerce —
The C-HARM model generates nowcast and forecasts of the probability of Pseudo-nitzschia concentrations of in excess of 10,000 cells/L, the probability of particulate... -
Federal
C-HARM v2 3-Day Forecast, Pseudo-nitzschia, cellular domoic acid, and particular domoic acid probability, California and Southern Oregon coast, 2022-present, Lon+/-180
National Oceanic and Atmospheric Administration, Department of Commerce —
The C-HARM model generates nowcast and forecasts of the probability of Pseudo-nitzschia concentrations of in excess of 10,000 cells/L, the probability of particulate... -
Federal
C-HARM v1 1-Day Forecast, Pseudo-nitzschia, cellular domoic acid, and particular domoic acid probability, California and Southern Oregon coast, 2018-2022
National Oceanic and Atmospheric Administration, Department of Commerce —
The C-HARM model generates nowcast and forecasts of the probability of Pseudo-nitzschia concentrations of in excess of 10,000 cells/L in California and Southern... -
Federal
SUPERSEDED: Data Associated with Algal Toxin Testing of Seabirds from the Bering and Chukchi Seas, 2017
Department of the Interior —
This data set is comprised of three tables with results of algal toxin screening for saxitoxin and domoic acid. We used enzyme-linked immunosorbent assay (ELISA) and... -
Federal
2023 Grand Lake St. Marys flow cytometry data for planktothrix
U.S. Environmental Protection Agency —
This Dataset includes the spatial and temporal quantification of planktothrix cyanobacteria filaments within the canal and river system of St. Mary's, OH for the year... -
Federal
C-HARM v2 Nowcast, Pseudo-nitzschia, cellular domoic acid, and particular domoic acid probability, California and Southern Oregon coast, 2022-present
National Oceanic and Atmospheric Administration, Department of Commerce —
The C-HARM model generates nowcast and forecasts of the probability of Pseudo-nitzschia concentrations of in excess of 10,000 cells/L, the probability of particulate...