Catalog - Data.gov

#1 Federal

Chorus frog density and population growth, Cameron Pass, Colorado, 2020

Organization: Department of the Interior
Dataset Last Updated: February 02, 2021 at 12:00 AM

We investigated population dynamics in chorus frogs (Pseudacris maculata) relative to extrinsic (air temperatures and snowpack) and intrinsic (density dependence) characteristics at 2 sites in...

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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 04:22 AM

#2 Federal

Impact of Drought on Southwestern Pronghorn Population Trends and Predicted Trajectories in the Southwest in the Face of Climate Change_Predictor

Organization: Department of the Interior
Dataset Last Updated: August 14, 2020 at 12:00 AM

Climate often drives ungulate population dynamics, and as climates change, some areas may become unsuitable for species persistence. Unraveling the relationships between climate and population...

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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 06:04 AM

#3 Federal

Sagebrush (Artemisia spp.) scale of effect for Greater Sage-grouse (Centrocercus urophasianus) population trends in southwest Wyoming, USA 2003-2019

Organization: Department of the Interior
Dataset Last Updated: October 05, 2022 at 12:00 AM

The distance within which populations respond to features in a landscape (scale of effect) can indicate how disturbance and management may affect wildlife. Using annual counts of male Greater...

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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 04:57 AM

#4 Federal

Data from "Crossing to safety: Dispersal, colonization and mate choice in evolutionarily distinct populations of Steller sea lions, Eumetopias jubatus."

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: October 03, 2014 at 12:00 AM

Data sets used to support analysis published by O'Corry-Crowe et al (2014) Crossing to safety: Dispersal, colonization and mate choice in evolutionarily distinct populations of Steller sea lions,...

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 12:00 AM

#5 Federal

Data for effects resulting from exposure to dioxin, and observed survival and fecundity by age and size for unexposed populations

Organization: U.S. Environmental Protection Agency
Dataset Last Updated: August 05, 2019

These laboratory data for estimates of change in fertility and survival rates observed relative to control (unexposed) conditions for fundulus heteroclitus exposed to varying levels of...

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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 12:46 AM

#6 Federal

Density Dependence and Stochastic Variation in Overabundant, Unmanaged White-tailed Deer Herds of Eastern National Parks-- Great Smoky Mountains National Park

Organization: Department of the Interior
Dataset Last Updated: January 01, 2015 at 12:00 AM

Using 7-year to 13-year sets of deer monitoring data from 16 NPS sites, PI estimated parameters of the theta-logistic model (TLM), a widely-used population model which integrates the two key...

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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 03:54 AM

#7 Federal

Impact of Drought on Southwestern Pronghorn Population Trends and Predicted Trajectories in the Southwest in the Face of Climate Change

Organization: Department of the Interior
Dataset Last Updated: August 14, 2020 at 12:00 AM