• Organization: Department of the Interior
• Updated: 2024-09-05T00:00:00Z

Data was collected during a series of studies that assessed the effects of metals on crayfish in mining districts in Missouri. Adult crayfish were collected in riffles to determine whether...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2003-10-16T00:00:00.000+00:00

AL2_MASS is a polygon shapefile representing 5 minute x 5 minute latitude x longitude cells that house the overall total biomass densities (kg/sq.km.) of up to 76 species of marine birds during...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2003-10-16T00:00:00.000+00:00

AL3_MASS is a polygon shapefile representing 5 minute x 5 minute latitude x longitude cells that house the overall total biomass densities (kg/sq km) of up to 76 species of marine birds during...

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

This dataset includes plankton volumes and relative densities for sites adjacent to fish hatcheries in the Prince William Sound operated by the Prince William Sound Aquaculture Corporation. Also...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2018-11-19

These data include cyanobacteria cell densities (including maximum cell densities observed for each year in each reservoir), annual summer (June-August) precipitation, nutrient concentrations, and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2006-01-01T00:00:00.000+00:00

This feature class contains internal wave packets digitized from SAR imagery at 1:350,000 scale in Massachusetts Bay. Internal waves are nonsinusoidal waves that occur at the interface between...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2019-05-23T00:00:00.000+00:00

In a tri-coastal collaborative study, the population densities of vibrios are being determined in the Mississippi Sound, Puget Sound, Chesapeake Bay, and Timbalier Bay. Sea surface temperature...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-07-09T00:00:00.000+00:00

This dataset includes geochemical, physical, and biological data collected in the Columbia River Estuary and the Fraser River from 1990 to 1999 as part of the Columbia River Estuary Turbidity...

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• Organization: Department of the Interior
• Updated: 2022-06-16T00:00:00Z

Datasets describe the outcomes of transporting Yellow Perch and Nile Tilapia at high densities under AQUI-S®20E (10% eugenol). Specifically, data describe the survival, morphometric measurements,...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-04-01T17:16:21.000+00:00

The Calcasieu Ship Channel provides an avenue for the rapid movement of high-salinity water into the East Mud Lake project area of southern Louisiana resulting in plant death and marsh loss....

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• Organization: Department of the Interior
• Updated: 2024-07-02T00:00:00Z

This data release provides water-quality data collected and analyzed by the U.S. Geological Survey (USGS) and the Kansas Department of Health and Environment (KDHE) during 1972 through 2020. This...

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• Organization: Department of the Interior
• Updated: 2010-07-20T00:00:00Z

There were multiple objectives for data collection as part of the Secretive Marsh Bird assessments. This dataset pertains to Objective 4, referred to in the study workplan as Methodology D, which...

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• Organization: Department of the Interior
• Updated: 2021-05-23T00:00:00Z

Invasive species may vary in their seasonal distribution and abundance due to environmental conditions such as precipitation and temperature. Bigheaded carps, which include silver and bighead...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-01-01T00:00:00.000+00:00

We compared nekton use of Vallisneria americana Michx. (submerged aquatic vegetation, SAV) with marsh shoreline vegetation and subtidal nonvegetated bottom (SNB) using a 1-m2 drop sampler in the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-01-01T00:00:00.000+00:00

The effect of salinity on utilization of shallow-water nursery habitats by aquatic fauna was assessed in San Antonio Bay, Texas. Overall, 272 samples were collected in a variety of marsh,...

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• Organization: Department of the Interior
• Updated: 2020-08-26T00:00:00Z

We used field surveys to compare coarse filter-large water volume samples (hereafter large volume filter samples) vs. fine filter-small water volume samples (hereafter small volume filter samples)...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-15T19:15:56.000+00:00

Densities of juvenile fishery species and other animals (all generally 100 mm total length) were summarized for shallow estuarine areas along coastal Texas and Louisiana. The purpose was to...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-01-01T00:00:00.000+00:00

Measured fine-scale distributions of nekton on the vegetated marsh surface using drop samplers and utilized these patterns to estimate population size. Natant decapod crustaceans were most...

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• Organization: State of California
• Updated: 2022-06-01T18:37:08.104689

Largely supported by the Interagency Ecological Program (IEP), the California Department of Water Resources (DWR) has operated a fisheries and invertebrate monitoring program in the Yolo Bypass...

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• Organization: Department of the Interior
• Updated: 2026-02-11T00:00:00Z

These data consist of larval fish and water profile data collected with a nearshore to offshore transect approach at 9 transects throughout Lake Huron. Larval fish and their stomach contents were...

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