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Columbia Spotted Frog (Rana luteiventris) Breeding at Grazing Exclosures in...
We studied the short-term effects of full and partial livestock grazing exclosures on Columbia Spotted Frog (CSF; Rana luteiventris) populations using a controlled manipulative... -
Sex and Age Composition of Walrus Groups Hauled Out on Ice Floes in the...
These data are in one table with age and sex composition counts of groups of walruses on ice floes in the northern Bering and Chukchi Seas. Counts were collected by visual... -
Lake Erie Collaborative Science and Monitoring Initiative 2014
In 2014, the USGS Lake Erie Biological Station participated in the Coordinated Science and Monitoring Initiative (CMSI) program, a program founded by the U.S. Environmental... -
Coachella Valley fringe-toed lizard (Uma inornata) capture data (2017 and 2018)
This dataset includes location, field measurements, and descriptions of 330 Uma inornata sampled for the research study entitled “Sampling Across 20 Years (1996–2017) Reveals... -
Sampling locations for bears near Glacier National Park, Montana, in 2004
Locations of two types of hair collection stations for sampling the grizzly and black bear populations in the Glacier National Park region of the Northern Continental Divide... -
Scoter (Melanitta sp.) ddRAD SNP and Microsatellite Genetic Data, North...
This data set contains sampling information, allele sizes of 11 microsatellite loci, and Genbank accession numbers of ddRAD seq results for scoters (Melanitta sp.).... -
Spectacled Eider (Somateria fischeri) Capture, Banding, and Mark-Resight...
Data set containing body morphometric measurement and location data for captured Spectacled Eiders, and resight data for marked Spectacled Eiders on Kigigak Island, within the... -
Data files to construct an Integral Projection Model for Giant Gartersnakes...
These data support the following publication: Rose, J.P., Ersan, J.S., Wylie, G.D., Casazza, M.L. and Halstead, B.J., 2019. Demographic factors affecting population growth in... -
Waterfowl Lead Exposure Data in Alaska and Russia, 1993-2022
This dataset identifies lead (Pb) concentration found in the blood of waterfowl sampled in western and northern Alaska and eastern Russia between 1993 and 2022. Data include... -
Rat mark-recapture in rodenticide treatment and non-treatment plots, Hawaii...
This is a selected data set used to assess the impacts of rodenticide treatment on black rat (Rattus rattus) abundance within Hawaii Volcanoes National Park (HAVO). The key... -
Oregon spotted frog (Rana pretiosa) monitoring data for metademographic...
This dataset contains information from surveys conducted 2010-2018 by USGS as part of a long-term Oregon spotted frog monitoring effort in the central Oregon range. Data consist... -
Alaska Forage Fish Database (AFFD)
The Alaska Forage Fish Database (AFFD) is a consolidation of survey data from multiple agencies that were sampled via fishing gear and predator diets. The spatial coverage... -
Carex specuicola genomic data for the southern Colorado Plateau Desert
These data were compiled to investigate the demographic and phylogeographic of Carex specuicola. Objectives of our study were to understand the demographic and dispersal history... -
Lake Ontario Spring (April) Prey Fish Bottom Trawl Survey, 1978-2025
This data release includes Lake Ontario fish data from the April or spring prey fish bottom trawl survey, conducted by multiple agencies from 1978 through 2025.This survey goal... -
Native Fishes Drought Response Stressor Monitoring - 2014 to 2017 [ds2820]
This layer is intended to be used as an informal means of spatially aggregating data collected by an array of regional teams monitoring drought effects upon California Streams.... -
Sagebrush (Artemisia spp.) scale of effect for Greater Sage-grouse...
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... -
Oregon Spotted Frog (Rana pretiosa) Monitoring at Jack Creek 2015-2016
This dataset contains information from mark-recapture and egg mass surveys conducted 2015-2016 by USGS as part of an ongoing Oregon spotted frog (Rana pretiosa) monitoring... -
Impact of Drought on Southwestern Pronghorn Population Trends and Predicted...
Climate often drives ungulate population dynamics, and as climates change, some areas may become unsuitable for species persistence. Unraveling the relationships between climate... -
USGS occupancy surveys for Dixie Valley Toads, Anaxyrus williamsi, in...
Desert spring wetlands host many endemic species that require aquatic habitat and are isolated by the surrounding xeric terrestrial habitat. The Dixie Valley Toad (Anaxyrus... -
Sea Otter surveys from selected Western Aleutian Islands, Alaska and Bering...
The data table consists of a compilation of sea otter survey results from Bering Island, Russia and select Western Aleutian Islands conducted between 1959 and 2015. The counts...