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

These data describe the distribution and abundance of Hydropsyche, a widespread and diverse genus of net-spinning caddisflies, in the Colorado River Basin. Abundance data, measured as catch rates,...

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• Organization: Department of the Interior
• Updated: 2022-08-29T00:00:00Z

Data represent catch rates and total lengths of bluegill (Lepomis macrochirus) collected from two northern Wisconsin lakes using four different sampling gears.The data include number of bluegills...

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

These data were compiled to evaluate the effects of low steady weekend flows on emergent aquatic insects during the first year of experimental Bug Flows below Glen Canyon Dam (2018) and recreation...

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• Organization: Department of the Interior
• Updated: 2023-01-11T00:00:00Z

These data were compiled to improve our understanding of bat foraging along the Colorado River in Grand Canyon. Objectives of our study were to determine whether bat activity was influenced...

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• Organization: Department of the Interior
• Updated: 2022-08-08T00:00:00Z

These data were compiled to examine patterns of humpback chub (Gila cypha) in western Grand Canyon from just below Havasu Creek at river kilometer (rkm) 253 (Lees Ferry is rkm 0) downriver to...

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• Organization: Department of the Interior
• Updated: 2023-02-08T00:00:00Z

These data were compiled for an outreach article published in the Boatman's Quarterly Review, which is a magazine published by Grand Canyon River Guides Association. The objectives of our study...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-15T19:16:16.000+00:00

This survey assessed the potential price premiums that consumers are willing to pay for tuna that is harvested from stocks with known abundance, known by-catch rates, and the effect of tuna...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-02-29T00:00:00.000+00:00

The Southeast Fisheries Science Center Mississippi Laboratories conducted a study to determine if Turtle Excluder Devices (TEDs) with reduced bar spacing were effective at reducing unwanted...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-01-01T00:00:00.000+00:00

Seasonal capture efforts were conducted to evaluate patterns of catch rates, species and size compisition. Acoustic and satellite telemetry were used to evaluate residency, movements, and dive...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-11-12T21:46:11.000+00:00

The Blend was the system used by the NMFS Alaska Regional Office to monitor groundfish catch from 1991 until 2002. The Blend system combined data from industry production reports and observer...

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• Organization: State of California
• Updated: 2025-04-30T14:33:14.392033

Roving creel surveys using stratified random sampling to determine angler catch rates, angler satisfaction, estimated trout harvested, total pounds harvested, and number of trout caught This...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-02-29T00:00:00.000+00:00

In 1994, the National Marine Fisheries Service Northeast Fisheries Observer Program documented sea turtle bycatch in the Atlantic croaker (Micropogonias undulatus) and weakfish (Cynoscion regalis)...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-15T19:15:45.000+00:00

An experimental bottom longline survey was conducted at depths >1,000 m in the western Gulf of Alaska in August 2008. The objective was to investigate the abundance and biological characteristics...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-02-29T00:00:00.000+00:00

The April 18, 2014, Biological Opinion requires NOAA Fisheries Gear Monitoring Team to ensure compliance with Turtle Excluder Device (TED) regulations at a level that keeps overall average sea...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2012-01-01T00:00:00.000+00:00

The National Marine Fisheries Service (NMFS) began placing observers on foreign fishing vessels operating off the northwest and Alaskan coasts of the United States in 1973, creating the North...

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• Organization: Department of the Interior
• Updated: 2022-12-13T00:00:00Z

This study evaluated carbon dioxide (CO2) injected into water as a possible behavioral stimulant to enhance capture and removal of invasive red swamp crayfish (RSC, Procambarus clarkii Girard,...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-02-29T00:00:00.000+00:00

The Southeast Fisheries Science Center Mississippi Laboratories conducts standardized fisheries independent resource surveys in the Gulf of Mexico, South Atlantic, and U.S. Caribbean to provide...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-05-06T00:00:00.000+00:00

We developed a framework that examines the consequences of temporal changes in temperature and ocean pH on yield and profit of multiple interacting stocks including eastern Bering Sea (EBS) snow,...

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• Organization: Department of the Interior
• Updated: 2025-02-10T00:00:00Z

These data were compiled as part of an effort to compare the relative data quality and modeling performance of bat data recorded with two different acoustic detectors. The objective of our study...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-12-03T01:00:28.000+00:00

Bycatch in net fisheries is recognized as a major source of mortality for many marine species, including sea turtles, sharks and other elasmobranchs, seabirds, and marine mammals. Few mitigation...

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