• Organization: Department of the Interior
• Updated: 2022-10-07T00:00:00Z

Expanding human enterprise across remote environments impacts many wildlife species, including sage-grouse (Centrocercus urophasianus), an indicator species whose decline is at the center of...

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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: 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: 2022-10-07T00:00:00Z

Raven point counts were related to landscape covariates using Bayesian hierarchical occupancy models and the mean of the predicted posterior distribution for raven occurrence was used to visualize results.

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• Organization: Department of the Interior
• Updated: 2022-10-07T00:00:00Z

Predictions of an anthropogenic influence on raven occurrence index intersected with sage-grouse concentration areas. The anthropogenic influence index indicates where resource subsidies are...

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• Organization: Department of the Interior
• Updated: 2022-10-07T00:00:00Z

Predictions of raven occurrence in the absence of anthropogenic environmental effects. Raven point counts were related to landscape covariates using Bayesian hierarchical occupancy models and the...

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• xml

• Organization: Department of the Interior
• Updated: 2022-10-07T00:00:00Z

An index of anthropogenic influences on raven populations. Raven point counts were related to landscape covariates using Bayesian hierarchical occupancy models and the means of the posterior...

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• xml

• Organization: Department of the Interior
• Updated: 2022-10-07T00:00:00Z

A hierarchical occupancy model adapted from Royle & Dorazio (2008) and Rota et al. (2011) for use in R.

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• Organization: Department of the Interior
• Updated: 2022-10-07T00:00:00Z

Predictions of raven occurrence in the absence of natural environmental effects. Raven point counts were related to landscape covariates using Bayesian hierarchical occupancy models and the means...

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• xml

• Organization: Department of the Interior
• Updated: 2022-10-07T00:00:00Z

Minimum convex polygons created from survey locations at associated study sites.

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• Organization: Department of the Interior
• Updated: 2022-10-07T00:00:00Z

Predictions of raven occurrence intersected with high impact areas for sage-grouse populations. The index highlights regions where elevated raven occurrence is likely to impact breeding sage-grouse

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

This dataset is part of a laboratory experiment, which evaluated how varying ratios of prey species (year-0 blue and red king crabs) and habitat type (shell and cobble) affect prey preference of...

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• Organization: Department of the Interior
• Updated: 2024-05-01T00:00:00Z

Predator non-consumptive effects (NCE) can alter prey foraging time and habitat use, potentially reducing fitness. Prey can mitigate NCEs by increasing vigilance, chewing-vigilance...

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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: 2020-11-25T00:00:00Z

An implementation of Quantitative Fatty Acid Signature Analysis (QFASA) in R. QFASA is a method of estimating the diet composition of predators. The fundamental unit of information in QFASA is a...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-15T19:15:47.000+00:00

This dataset is part of a laboratory experiment, which evaluated how varying prey densities (year-0 blue king crabs) and habitat type (shell and sand) affect the functional response of year-1 blue...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-07-26T00:00:00.000+00:00

Atlantic sharpnose shark Rhizoprionodon terraenovae diet is described from Crooked Island Sound, an embayment of the northeast Gulf of Mexico. Diet was assessed by life-stage and quantified using...

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

These data were used by Kuhn et al. (2015) to investigate how conclusions about predator-prey relationships change with increasing temporal disparity between predator tracking periods and prey...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-01-01T00:00:00.000+00:00

This project will integrate information on ecosystem stressors and predator-prey interactions into the fisheries assessment and management process in the Gulf of Mexico.

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• Organization: Department of the Interior
• Updated: 2025-03-25T00:00:00Z

This data was collected as part of a larger project to examine predator-prey interactions between invasive Brown Treesnakes (Boiga irregularis, predator) and native prey species at a study site...

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