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Breeding Waterbird Populations in South San Francisco Bay 2005-2019
The dataset includes three separate excel spreadsheets which provides waterbird (and predator) observations within individual survey units during the May 2019 breeding waterbird... -
Habitat Selection Scenarios for Molting Waterfowl in the Goose Molting Area...
The dataset consists of a polygon shapefile. Each polygon represents a set of molt units (interconnected lakes used as habitat by molting waterfowl) within the Goose Molting... -
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,... -
Genetic Data from Arctic, Polar, and Saffron Cod and Walleye Pollock, Alaska...
Fragment data from 11 nuclear microsatellite loci and sequence data from the mitochondrial cytochrome b gene were gathered from Arctic cod (Boreogadus saida) in the Beaufort and... -
Breeding Waterbird Populations in South San Francisco Bay 2005-2019
The dataset includes three separate excel spreadsheets which provides waterbird (and predator) observations within individual survey units during the May 2019 breeding waterbird... -
Counts of Birds in Aerial Photos from Fall Waterfowl Surveys, Izembek...
This dataset includes tables summarizing image information and bird counts from the aerial digital images taken over open water at Izembek Lagoon in Alaska in fall 2017-2019.... -
Cortisol Concentration Data from Polar Bear (Ursus maritimus) Hair Collected...
This data release contains one table which includes the concentration of cortisol from polar bear (Ursus maritimus) hair and morphometric data from some of the captured bears.... -
Population genetic and climatic variability data across western North...
Environmental Analysis Data: These data were compiled to investigate the complex interactions between environmental gradients and geographic distance across the Intermountain... -
Lake Erie Fish Community Data, 2013-2020
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... -
Census (Survey) Database Used for Demographic Analysis of Agassiz’s Desert...
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 agassizii) at the... -
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 Fish Community Data, 2013-2018
Assessing the distribution and abundance of both predator and prey (forage) fish species is a cornerstone of ecosystem-based based fishery management, and supports decision... -
Goose Migration and Egg Nutrient Allocation, Colville River Delta, Alaska, 2011–2015
These data are in nine tables relating to three species of arctic breeding geese studied on the Colville River Delta, Alaska, 2011-2014. The tables provide: 1-2) spring... -
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... -
Code and Data to fit an Integrated Population Model for the Foothill...
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 collected from... -
SGS-LTER Live arthropod pitfall trapping across a double catena on the...
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-... -
Biological and physical data for zebra mussel (Dreissena polymorpha)...
Dispersal, establishment, and spread of aquatic invasive species such as the zebra mussel (Dreissena polymorpha) can be influenced by riverine velocities and volumetric flows in... -
Chloropyron maritimum subsp. maritimum population counts, tide, and weather...
Chloropyron maritimum subsp. maritimum population counts at Sweetwater Marsh National Wildlife Refuge, California, and tide and weather data from San Diego, California, are used... -
Atlas Quads
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... -
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,...