• Organization: U.S. Environmental Protection Agency
• Updated: 2021-05-08

This is a dataset for biogenic silica concentrations (%BSi by dry weight) from macroalgae from two temperate estuaries: Waquoit Bay (MA, USA) and Narragansett Bay (RI, USA). Additional data on %C,...

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• Organization: Department of the Interior
• Updated: 2022-02-18T00:00:00Z

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 monitoring sites around San Nicolas...

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• Organization: Department of the Interior
• Updated: 2022-02-18T00:00:00Z

Four data sets are included here to aid in assessing the influence of substrate complexity on kelp forest ecosystem stability. One data set consists of counts of a suite of kelps and benthic...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2013-12-01T00:00:00.000+00:00

This data set contains sensitive biological resource data for Sargassum in Louisiana. Vector polygons in this data set represent areas of known Sargassum aggregation. Species specific abundance,...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2020-01-01T00:00:00.000+00:00

This project will evaluate the importance of Sargassum as a nursery habitat for fish in the northern Gulf of Mexico.

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2008-06-11T00:00:00.000+00:00

This dataset from the Channel Islands National Park's Kelp Forest Monitoring Program has estimates of substrate composition and percent cover of selected algal and invertebrate taxa. The data...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-01-03T00:00:00.000+00:00

The dynamic and sometimes vulnerable nature of the California coastal kelp resource, critical as habitat and food for hundreds of related species, required the development of systematic methods...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-01-03T00:00:00.000+00:00

The dynamic and sometimes vulnerable nature of the California coastal kelp resource, critical as habitat and food for hundreds of related species, required the development of systematic methods...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2004-01-01T00:00:00.000+00:00

This data set delineates kelp beds (Nereocystis leutkeana and Macrocystis spp.) along the Pacific Coast of California. Multiple years of kelp mapping data for the state have been compiled into a...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-12-04T00:00:00.000+00:00

Microplastics (i.e., plastics measuring less than 5mm) pollution is a growing problem affecting coastal communities, marine ecosystems, aquatic life, and human health. The widespread occurrence of...

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