139 datasets found for "Demographics"
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Federal
Data for Southern Sea Otter Range Expansion and Habitat Use in the Santa Barbara Channel
Department of the Interior —
These data are .csv files of tagged sea otter re-sighting locations (henceforth, resights) collected in the field using a combination of VHF radio telemetry and... -
Federal
Southern Beaufort Sea Polar Bear Diet and Gut Microbiota Data, 2015-2019
Department of the Interior —
This dataset is one table with data collected and derived from polar bears sampled in Alaska's southern Beaufort Sea during 2015-2019. Data include demographic and... -
Federal
Mouse predation on Laysan albatross
Department of the Interior —
Invasive rodents on islands have adverse impacts on native birds in island ecosystems, and rats are the most common culprits. Recently, house mice (Mus musculus) in... -
Federal
Time-varying greater sage-grouse habitat selection and survival indices in the Bi-State region of California and Nevada
Department of the Interior —
We used movement and demographic data to simultaneously evaluate habitat selection by sage-grouse across multiple seasons, and measures of survival during key... -
Federal
Indiana Bat fecal DNA study, Indianapolis, IN Summer 2008
Department of the Interior —
The endangered Indiana bat (Myotis sodalis) has declined dramatically and continuing threats have made it necessary to understand population dynamics and life history... -
Federal
Capture covariates Cameron Pass chorus frog data
Department of the Interior —
We used 29 years of data on boreal chorus frogs at two sites to view life-history, estimate demographic parameters, assess weather-related covariates, and determine... -
Federal
Demographic data from two chorus frog populations in Colorado
Department of the Interior —
We used 29 years of data on boreal chorus frogs at two sites to view life-history, estimate demographic parameters, assess weather-related covariates, and determine... -
Federal
Census_sum_15
Department of the Interior —
The GIS layer "Census_sum_15" provides a standardized tool for examining spatial patterns in abundance and demographic trends of the southern sea otter (Enhydra... -
Federal
Penstemon grahamii genetic data from a dryland region of the western United States
Department of the Interior —
These data were compiled to investigate the evolutionary history of Graham's beardtongue (Penstemon grahamii). Objective(s) of our study were to determine the... -
Federal
Shell-skeletal remains of Gopherus agassizii collected at the 7.77 square km plot at the fenced Desert Tortoise Research Natural Area in 1985, 1989-1993, 1997-2002, and 2012.
Department of the Interior —
The database on shell-skeletal remains from 1980 through 2012 was collected as part of a monograph covering the desert tortoise populations inside and outside the... -
Federal
Length and mass measurements for a clutch of Burmese python hatchlings from southern Florida including observations of multi-embryo eggs
Department of the Interior —
Demographic and morphological data from an adult female Burmese python and a clutch of hatchlings produced July 2024 in Big Cypress National Preserve in southern... -
Federal
Census (Survey) Database Used for Demographic Analysis of Agassiz’s Desert Tortoise (Gopherus agassizii) on a 7.77 square km plot inside and outside the fenced Desert Tortoise Research Natural Area, Western Mojave Desert, USA, over a 34-year Period
Department of the Interior —
We developed a model for analyzing multi-year demographic data for long-lived animals and used data from a population of Agassiz’s desert tortoise (Gopherus... -
Federal
Hierarchically nested and biologically relevant range-wide monitoring frameworks for greater sage-grouse, western United States
Department of the Interior —
We produced 13 hierarchically nested cluster levels that reflect the results from developing a hierarchical monitoring framework for greater sage-grouse across the... -
Federal
In Support of the U.S. Fish and Wildlife Service 3-Bat Species Status Assessment: Wind Energy Influence
Department of the Interior —
Through the North American Bat Monitoring Program, United States Geological Survey (USGS) provided technical and science support to assist in U.S. Fish and Wildlife... -
Federal
Catalogue of the literature assessing climate effects on ungulates in North America (1947-2020)
Department of the Interior —
This dataset contains information from 674 publications (academic and grey literature) that assessed the effects of climate variability and climate change on the 15... -
Federal
Demographic model inputs and code, catchment area population estimates, and counterfactual (CIU) estimates for population growth for 23 focal bird species.
Department of the Interior —
Renewable energy production can kill birds, but little is known about how it affects avian populations. We assessed vulnerability of populations for 23 priority bird... -
Federal
Annual marbled murrelet abundance and productivity surveys off central California (Zone 6), 1999-2021
Department of the Interior —
Since 2017, U.S. Geological Survey, Western Ecological Research Center (USGS WERC) partnered with California State Parks to continue long-term, annual at-sea surveys... -
Federal
Mercury concentrations in American alligators in South Carolina, 2010-2017
Department of the Interior —
This dataset comprises whole blood mercury concentrations, sex, predicted age, snout-vent length, and body mass index in American alligators (Alligator... -
Federal
Capture-mark-recapture data for chorus frogs at Lily Pond
Department of the Interior —
These capture-mark-recapture data for chorus frogs contribute to the project abstracted below: We used 29 years of data on boreal chorus frogs at two sites to view... -
Federal
Data on separated and dead foals from Conger and Frisco Herd Management Areas, Utah, USA, between 2017 and 2020
Department of the Interior —
We studied factors affecting separation of feral horse foals from their mothers and foal mortality, including variables such as group changes by the mother and...
139 datasets found for "Demographics"