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

This dataset contains the results of a series of inshore research surveys that took place during 2010-2013 as part of the Gulf of Alaska Integrated Ecosystem Research Program (GOAIERP), a...

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

Interannual differences in the water quality of Anvil Lake, WI, were examined to determine how water level and climate affect the hydrodynamics and trophic state of shallow lakes, and their...

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

A reassessment of the diet of the Atlantic sharpnose shark Rhizoprionodon terraenovae was conducted to provide an update on their trophic level (n390). Rhizoprionodon terraenovae primarily consume...

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

The primary objective of this study was to assess deepsea food web structure and trophic niches in Baltimore and Norfolk canyons, the adjacent slopes, and chemosynthetic seeps along the...

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

Juvenile scalloped hammerhead sharks, Sphyrna lewini, were collected in northwest Florida to examine foraging ecology, bioenergetics, and trophic level (30-60 cm FL mean FL 41.5 cm n 196). Diet...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

The objective of the project was to study the relationships between intermediate trophic level organisms (predominantly zooplankton and small epipelagic and mesopelagic fish), primary production,...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Background Large-scale climatic variability has been implicated in the population dynamics of many vertebrates throughout the Northern Hemisphere, but has not been demonstrated to...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-01-30T00:00:00.000+00:00

Southern Resident Killer Whales (SRKW) are listed as a Distinct Population Segment under the Endangered Species Act. Data concerning their prey species and stock specific consumption estimates for...

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• Organization: Department of the Interior
• Updated: 2023-12-06T00:00:00Z

Primary and secondary consumers are important links in the trophic transfer of methylmercury, and their methylmercury concentrations are often measured to assess the potential risk of toxicity to...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-01T00:00:00.000+00:00

This layer is intended to represent the geographic extent of NOAA Fisheries’ Northern California Current Ecosystem Survey stations. The Northern California Current Ecosystem Surveys started in...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-01T00:00:00.000+00:00

This layer is intended to represent the geographic extent of NOAA Fisheries’ Northern California Current Ecosystem Survey transects. The Northern California Current Ecosystem Surveys started in...

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• Organization: State of California
• Updated: 2023-06-02T23:22:18.351878

The Yolo Bypass Fish Monitoring Program (YBFMP) operates a rotary screw trap and fyke trap and conducts biweekly beach seine and lower trophic surveys in addition to maintaining water quality...

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• Organization: State of California
• Updated: 2024-02-15T16:12:53.971538

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

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• Organization: Department of the Interior
• Updated: 2020-08-24T00:00:00Z

This dataset presents the results of analysis of aquatic biota tissue samples, collected over multiple sampling events from in from 2007 to 2014 at three sites (Las Vegas Bay, Overton Arm, and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-01-04T00:00:00.000+00:00

Each year, a number of seafood samples are exported from the US to Europe, including edible tissues collected from high trophic level marine fish species such as dogfish. Obtaining information on...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-02-21T00:00:00.000+00:00

This project is examining contaminant loads of fish prey species of a resident marine bird (Rhinoceros Auklet) breeding in inland waters (Puget Sound) and in the northern California Current (outer...

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• Organization: Department of the Interior
• Updated: 2021-08-03T00:00:00Z

This data release includes sampling location data, field-collected water chemistry data, cation and anion concentration data for water and tissues of submerged aquatic vegetation, aquatic insect...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-15T19:15:46.000+00:00

The Southeast Alaska Coastal Monitoring (SECM) project in Alaska was initiated in 1997 by the Auke Bay Laboratory, National Marine Fisheries Service, to study the habitat use and early marine...

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

Conservation planning efforts for sagebrush ecosystems of western North America increasingly focus on enhancing operational resilience though decision-support tools that link spatially explicit...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-01-24T00:00:00.000+00:00

This dataset contains laboratory experiment results of the effect of ocean acidification (OA) and prey availability on the growth of larval northern rock sole. Multiple aspects of climate change...

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