• Organization: U.S. Environmental Protection Agency
• Updated: 2022-06-13

Glider data for "Paul McKinney, Tom Hollenhorst, and Joel Hoffman "Autonomous underwater glider observations in southern Lake Ontario and Niagara River plume," Aquatic Ecosystem Health &...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-07T00:00:00.000+00:00

This data collection comprises six years of estuarine monitoring for an assessment of coastal ecosystem health in relationship to watershed characteristics, principally land use. This...

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• Organization: Department of the Interior
• Updated: 2015-07-18T00:00:00Z

These data depict the locations (only) of all Aquatic Macroinvertebrates Monitoring Locations study sites in the park. Great Smoky Mountains National Park (GRSM) contains over 3400 km (2000 mi) of...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-02-16T00:00:00.000+00:00

Puget Sound's intertidal areas provide habitat for species of commercial, recreational, biotic, and aesthetic value. Habitat is a critical ecosystem component -- it provides living space for...

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• Organization: Department of the Interior
• Updated: 2025-01-01T00:00:00Z

Benthic macroinvertebrates are an abundant, diverse, and ecologically important component of aquatic ecosystems. They are also widely used to infer water quality and overall ecosystem health...

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• Organization: Department of the Interior
• Updated: 2020-08-19T00:00:00Z

Mercury is a globally distributed pollutant that threatens human and ecosystem health. Even protected areas, such as national parks, are subjected to mercury contamination because it is delivered...

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• Organization: Department of the Interior
• Updated: 2023-08-15T00:00:00Z

Water availability for human and ecosystem needs is a function of both water quantity and water quality, as described in the U.S. Geological Survey (USGS) Water Science Strategy (Evenson and...

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• Organization: Department of the Interior
• Updated: 2025-05-02T00:00:00Z

Breeding colonies of wading birds (orders Ciconiiformes, Pelecaniformes) and seabirds (orders Suliformes, Pelecaniformes) serve as important indicators of aquatic ecosystem health, as they respond...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2020-06-15

The data include sample location information as well as chemical concentration data in water, sediment, and fish tissue. This dataset is not publicly accessible because: The dataset owner and...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2012-12-30T00:00:00.000+00:00

Coral belt transect surveys, focused at quantifying the relative abundance, density, and size-class distribution of the anthozoan and hydrozoan corals, as well as the condition and health state of...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-02-16T00:00:00.000+00:00

Coral belt transect surveys, focused at quantifying the relative abundance, density, and size-class distribution of the anthozoan and hydrozoan corals, as well as the condition and health state of...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2019-09-20

The Great Lakes Environmental Database (GLENDA) houses environmental data collected by EPA Great Lakes National Program Office (GLNPO) programs that sample water, aquatic life, sediments, and air...

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• Organization: Department of the Interior
• Updated: 2023-10-17T00:00:00Z

The data presented in this data release includes 11 field/water quality parameters, concentrations of 16 nutrients/anions, dissolved organic carbon, 14 organic contaminants, net estrogenicity...

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• Organization: State of California
• Updated: 2019-10-23T17:24:02.580983

Changes to instream flow are known to be one of the major factors that affect the health of biological communities. Flow alteration can degrade physical habitat and alter water quality, reducing...

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• Organization: Department of the Interior
• Updated: 2024-10-15T00:00:00Z

This data release contains the concentration and quality assurance results for 29 streams, sampled twice, and 1 stream, sampled once, in the Chesapeake Bay Delmarva row crop region (Maryland and...

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• Organization: State of Maryland
• Updated: 2025-05-05

This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. These data map hub and corridor elements within the green infrastructure. The Green Infrastructure...

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• Organization: State of Maryland
• Updated: 2024-04-10

Maryland's green infrastructure is a network of undeveloped lands that provide the bulk of the state's natural support system. These data map hub and corridor elements within the green...

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• Organization: Department of the Interior
• Updated: 2025-09-09T00:00:00Z

Between 2011 and 2018, numerous restoration treatments were constructed on the Straight and Braided Reaches of the Kootenai River in northern Idaho as part of the Kootenai River Habitat...

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• Organization: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

Monitoring of vitamin B1 (thiamine) in the eggs of lake trout (Salvelinus namaycush) collected from lakes Huron and Michigan has been conducted by the U.S. Geological Survey since the mid-1990’s. ...

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

Jurisdictional managers have expressed concerns that nutrients from the village of Vatia, Tutuila, American Samoa, are having an adverse effect on the adjacent coral reef ecosystem. Excess...

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