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Great Lakes Research Vessel Operations 1958-2018: Trawl. (ver. 3.0, April 2019)
All trawl data represented here expand upon vessel operations (OP table) data, all of which are collected by the United States Geological Survey, Great Lakes Science Center and... -
Measurements Used to Determine the Sex of Bristle-thighed Curlews (Numenius...
This data set contains bill and tarsal measurements from 114 Bristle-thighed Curlews, captured on breeding grounds in Alaska, and non-breeding areas in Hawaii and Reitoru atoll,... -
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... -
Data and Model-Based Estimates from Black Brant (Branta bernicla nigricans)...
These data are in two tables relating to fall age ratios (number of juvenile birds : total birds aged) of Black brant (Branta bernicla nigricans) staging in Izembek Lagoon,... -
SGS-LTER Bouteloua gracilis Removal Experiment Vegetation Density Data on...
This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-... -
SGS-LTER Genetic Structure of Metapopulation of Black-Tailed Prairie Dogs...
This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-... -
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... -
Greater White-Fronted Goose Genetic Data, Circumpolar, 1988-2009
This data set describes nuclear microsatellite genotypes derived from eight autosomal loci (BCA6, BCA9, BCA11, BCA5, CRG, OXY13, TSP1.20.09 and TSP1.20.46) and a 366 base pair... -
Genetic Data for Merlin (Falco columbarius) and Cross-Species Microsatellite...
This data set contains allele sizes for 8 previously published and 16 novel microsatellite loci, and one microsatellite redesigned for amplification in Merlins (Falco... -
Sea Otter Aerial Survey Data from Southeast Alaska, 2002-2003
The data package "Sea Otter Aerial Survey Data from Southeast Alaska, 2002-2003" provides raw data for examining abundance and distribution of northern sea otters (Enhydra... -
Telemetry and habitat data for Oregon spotted frogs (Rana pretiosa) in Oregon, USA
We used radio-telemetry to study late-season movement and habitat use by the Oregon spotted frog (Rana pretiosa) at 9 sites from 4 populations along the Cascade Mountains in... -
Oregon Spotted Frog (Rana pretiosa) Monitoring at Jack Creek 2015-2018
This dataset contains information from mark-recapture and egg mass surveys conducted 2015-2018 by USGS as part of an ongoing Oregon spotted frog (Rana pretiosa) monitoring... -
Capture-Mark-Recapture Data for Giant Gartersnakes in the Sacramento Valley,...
These data are from capture-mark-recapture studies of the giant gartersnake, Thamnophis gigas, in the Sacramento Valley of California, USA from 1999-2016. The data are primarily... -
Atlantic Flyway Units
The North American Breeding Bird Survey (BBS), which is coordinated by the Biological Resources Division and Canadian Wildlife Service, is a primary source of population trend... -
Lake Erie Fish Community Data, 2013-2021
Assessing the distribution and abundance of both predator and prey (forage) fish species is a cornerstone of ecosystem-based fishery management, and supports decision making... -
Population dynamics of humpback chub, rainbow trout and brown trout in the...
These data were compiled to fit an integrated population model of brown trout in the Glen Canyon Reach of the Colorado River and test different hypotheses regarding the driver... -
Hg Concentrations of Fish Tissue Samples in the Vicinity of Yellow Pine, Idaho.
The USGS examined mercury (Hg) concentrations in fish populations inhabiting impacted and reference streams as part of an investigation into the transport of trace metals in a... -
SGS-LTER Long-Term Monitoring Project: Spermophilus tridecemlineatus on...
This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-... -
Sea Otter Aerial Survey Data from Lower Cook Inlet, Alaska, 2017
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 collected... -
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...