• Organization: Department of the Interior
• Updated: 2024-04-18T00:00:00Z

Since 2005, the U.S. Geological Survey - Great Lakes Science Center's Lake Erie Biological Station (LEBS) has participated in a collaborative, multiagency effort to assess pelagic prey fish...

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• Organization: Department of the Interior
• Updated: 2024-07-30T00:00:00Z

This data release includes Lake Ontario prey fish data including species captured, relative abundance, spatial distribution, size structure, and age data from the April or spring prey fish bottom...

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• Organization: Department of the Interior
• Updated: 2020-08-30T00:00:00Z

Prey fish were collected at 17 Forster’s tern breeding colonies during colony visits from 2005-2015. Prey fish were identified to the lowest taxonomic category. We present relative abundances by...

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• Organization: Department of the Interior
• Updated: 2025-01-24T00:00:00Z

This data release includes Lake Ontario prey fish data including species captured, relative abundance, spatial distribution, size structure, and age data from the April or spring prey fish bottom...

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• Organization: Department of the Interior
• Updated: 2025-04-01T00:00:00Z

This data release includes Lake Ontario prey fish data including species captured, relative abundance, spatial distribution, size structure, and age data from the April or spring prey fish bottom...

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• xml

• Organization: Department of the Interior
• Updated: 2025-04-01T00:00:00Z

This data release includes Lake Ontario prey fish data including species captured, relative abundance, spatial distribution, size structure, and age data from the April or spring prey fish bottom...

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• xml

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

The dataset contains sequencing read counts of fish prey eDNA metabarcoding (using primers targeting the 16S rRNA mitochondrial gene) that were extracted from fecal and cloacal swab samples...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2020-06-02T00:00:00.000+00:00

The fish length and stomach content prey count and prey length of age-0 Lake Whitefish (Coregonus clupeaformis) were collected in several regions of Lake Huron, Great Lakes between 2014-06-18 and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-15T19:16:03.000+00:00

The NEFSC Food Habits Database has two major sources of data. The first, and most extensive, is the standard NEFSC Bottom Trawl Surveys Program. During these surveys, food habits data are...

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• Organization: Department of the Interior
• Updated: 2025-04-11T00:00:00Z

Fish diet data for predators in the coastal lagoons of northwestern Alaska. Methods are described in the monitoring protocol: Jones T, Apsens S, Miller S, Robards M. 2018. Coastal lagoons vital...

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• Organization: Department of the Interior
• Updated: 2021-09-23T00:00:00Z

To assess the effects of rotenone (fish toxicant) treatment and possible fish removal effects on nesting Osprey (Pandion haliaetus) populations, nests were observed at two reservoirs east of...

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• Organization: Department of the Interior
• Updated: 2020-08-27T00:00:00Z

These data were compiled to evaluate the potential adverse impacts that stocked trout may have on native fish populaitons through predation. Hatchery-reared rainbow and brown trout are typically...

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

Diet studies are fundamental for understanding trophic connections in marine ecosystems. In the southeastern US, the common bottlenose dolphin Tursiops truncatus is the predominant marine mammal...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-01-01T00:00:00.000+00:00

Sharks may have an important role in marine ecosystems in relation to populations of fish and invertebrates at lower trophic levels. Fishery management plans stress the need for an ecosystem...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-09-29T08:11:57.000+00:00

1) The purpose of this project is to document juvenile salmon habitat occurrence in the Lower Columbia River and estuary, and examine how habitat conditions influence their distribution, health,...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2015-05-08T00:00:00.000+00:00

Data presented here are subset of a larger plankton imagery data set collected in the subtropical Straits of Florida from 2014-05-28 to 2014-06-14. Imagery data were collected using the In Situ...

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• Organization: Department of the Interior
• Updated: 2024-02-01T00:00:00Z

Lake Erie walleye (Stizostedion vitreum) recruitment fluctuates annually and depends partially on their diet and growth during their first year of life. To determine how age-0 walleye have...

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• Organization: Department of the Interior
• Updated: 2021-12-16T00:00:00Z

These data consist of a multi-trophic, day vs. night, nearshore to offshore transect approach for data collection for this Cooperative Science and Monitoring Initiative effort at two northwestern...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-03-21T00:00:00.000+00:00

A series of Natural Resource Damage Assessment (NRDA) cruises were conducted in 2010 and 2011 to evaluate the distribution and densities of ichthyoplankton and other zooplankton in Gulf of Mexico...

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• Organization: Department of the Interior
• Updated: 2025-01-31T00:00:00Z

These data consist of lake trout and burbot diet information collected from USGS spring and fall gillnet surveys in Northern Lake Michigan from 2021-2023. All prey were identified, enumerated and...

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