177 datasets found
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Federal
Northeast muskox population sex and age composition summary for all areas (26A+B and 26C (Arctic NWR) in Alaska and northern Yukon), 1972-2011
Department of the Interior —
During June, we perform ground-based composition counts to estimate calf production, recruitment, and adult sex ratio. We have radiocollared over 100 muskoxen in... -
Federal
Sea Otter Aerial Survey Data from Lower Cook Inlet, Alaska, 2017
Department of the Interior —
This dataset consists of three tables related to abundance and distribution of northern sea otters (Enhydra lutris kenyoni) in lower Cook Inlet, Alaska, based on data... -
Federal
SGS-LTER Long-term Monitoring Project: Spotlight Rabbit Count on the Central Plains Experimental Range, Nunn, Colorado, USA 1994-2006, ARS Study Number 98
Department of Agriculture —
This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State... -
Federal
Detection/non-detection data on territorial pairs of golden eagles in coastal southern California, 2016-2017
Department of the Interior —
This dataset contains detection-nondetection data for territorial pairs of Golden Eagles at survey sites randomly selected from a grid of equal-sized (13.9 km2)... -
Federal
Great Lakes Research Vessel Operations 1958-2018: Mensuration. (ver. 3.0, April 2019)
Department of the Interior —
All mensuration data represented here expand upon vessel operations (OP table) data, all of which are collected by the United States Geological Survey, Great Lakes... -
Federal
National Park Service Northeast Region Deer Spotlight Monitoring, 2024-2025 Cumulative Data Package
Department of the Interior —
Overabundant deer have harmful effects on forests by preventing regeneration of a number of important canopy tree species, and by preferentially browsing certain... -
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 capture data from tagged sea otters in the Santa Barbara Channel Study. Sea otters were captured using highly specialized techniques... -
Federal
Great Lakes Research Vessel Operations 1958-2018. (ver. 3.0, April 2019)
Department of the Interior —
The Great Lakes Research Vessel Operations data release is taken from the Research Vessel Catch (RVCAT) database curated at the Great Lakes Science Center (GLSC).... -
Federal
Impact of Drought on Southwestern Pronghorn Population Trends and Predicted Trajectories in the Southwest in the Face of Climate Change
Department of the Interior —
Climate often drives ungulate population dynamics, and as climates change, some areas may become unsuitable for species persistence. Unraveling the relationships... -
Federal
Northern spotted owl data and analysis code, Cascade Range, Pacific Northwest, USA
Department of the Interior —
These data were compiled to allow examination of northern spotted owl territorial occupancy dynamics, especially with regards to the roles played by habitat and... -
Federal
Biological and physical data for zebra mussel (Dreissena polymorpha) veligers collected from a coupled lake-stream ecosystem in north Texas, 2012-2014
Department of the Interior —
Dispersal, establishment, and spread of aquatic invasive species such as the zebra mussel (Dreissena polymorpha) can be influenced by riverine velocities and... -
Federal
Data to fit an Integrated Population Model for the Foothill Yellow-legged Frog, Rana boylii in northern California
Department of the Interior —
These data include egg mass counts and adult capture-mark-recapture histories for Foothill Yellow-legged frogs at two streams in northern California. Data were... -
Federal
Microsatellite genotypes for Lake Sturgeon (Acipenser fulvescens) Eggs and Larvae from Constructed Reefs in the St. Clair-Detroit River System (2015-2016)
Department of the Interior —
This dataset contains the physical collection information (e.g., sample location, date, gear type) and microsatellite DNA genotype of egg and larval Lake Sturgeon... -
Federal
Sampling locations for bears near Glacier National Park, Montana, in 2004
Department of the Interior —
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... -
Federal
Black bear detections in Glacier National Park, Montana, in 2004
Department of the Interior —
Text file containing detection events from genetic sampling sites associated with the unique identifier of American black bears in Glacier National Park, Montana,... -
Federal
Model code to build and run an integrated population model for the endangered Cape Sable Seaside Sparrow
Department of the Interior —
The Cape Sable Seaside Sparrow (CSSS; Ammospiza maritima mirabilis) is an endangered species that has experienced population declines of more than 60% since the... -
Federal
Sea Otter Aerial Survey Data from Western Prince William Sound, Alaska, 2017
Department of the Interior —
This dataset consists of three tables related to abundance and distribution of northern sea otters (Enhydra lutris kenyoni) in western Prince William Sound, Alaska,... -
Federal
Breeding Waterbird Populations in South San Francisco Bay 2005-2019
Department of the Interior —
The dataset includes three separate excel spreadsheets which provides waterbird (and predator) observations within individual survey units during the May 2019... -
Federal
Data from Black Brant (Branta bernicla nigricans) Overwintering in Three Lagoons Along the Baja California Peninsula, Mexico
Department of the Interior —
This data package includes 2 child items with data from Pacific Black Brant (Branta bernicla nigricans) during winter and migration periods. Child Item 1: "Body mass,... -
Federal
Great Lakes Research Vessel Operations 1958-2018: Benthos Ponar. (ver. 3.0, April 2019)
Department of the Interior —
All benthos data represented here expand upon vessel operations (OP table) data, all of which are collected by the United States Geological Survey, Great Lakes...
177 datasets found