Data

These data contain two tables of summarized activity sensor and location data of 29 polar bears that fed at bowhead whale remains left by subsistence hunters. Remains occurred on Barter and Cross Islands on the northern coast of Alaska. Activity sensor data were collected from 6 bears using tri-axial accelerometers. The data are presented in two tables providing a summary of all...

This dataset consists of a single table of feeding trial data collected from 18 polar bears at zoos in the United States and Europe. Bears were fed meat on or off bone, fat, and ground meat. The duration of feeding, amount of food consumed, and number of bites taken were recorded.

This dataset consists of a single table of data collected from video of polar bears feeding at remains of subsistence harvested bowhead whales on Barter Island. The table includes focal observations of individual bears to record the type of whale tissue consumed (blubber, muscle, etc.) and the number of bites taken by bears from food items over periods of 30 seconds to 12 minutes.

GPS collar location data were collected as part of a study on migratory, barren-ground caribou (Rangifer tarandus) in the Central Arctic herd of Alaska. Data were collected in collaboration with Alaska Department of Fish and Game (ADFG). Because ADFG has a statute (16.05.815) restricting the public release of specific animal locations for 25 years, we are only providing metadata about...

This data package includes two child items with data from montane-nesting bird surveys in Katmai National Park and Preserve and Lake Clark National Park and Preserve, Alaska during 2004 through 2006. Child Item One: "Data and Photographs from the Inventory of Montane-nesting Birds in Katmai National Park and Preserve and Lake Clark National Park and Preserve, Alaska". The data include (1...

This data release provides information on lake trout (Salvelinus namaycush) collected from 10 lakes located in Alaska's national parks. The data are in two tables: (1) capture information, (2) morphometric measurements and mercury (Hg) concentrations, and a folder of individual photographs of captured lake trout. Lake trout were collected between September of 2020 and August of 2023 from...

The Great Basin of the Western United States hosts dozens of terminal lake systems that provide critical, abundant, and diverse ecosystems that support migratory bird species, local wildlife, and nearby communities. Water quality varies across terminal lakes in the region depending on basin geology, anthropogenic water use, climate, hydrology, and water quantity. Seasonal and long-term...

This dataset provides origin (hatchery vs. wild) and energy density (kJ g-1) of juvenile pink (Oncorhynchus gorbuscha) and chum salmon (O. keta) from the eastern Gulf of Alaska, 2010–2024. Juvenile salmon were sampled from rhinoceros auklet (Cerorhinca monocerata) diets on Middleton Island (59.4375 N, 146.3277 W) located near the continental shelf break in the Gulf of Alaska. Auklets...

Glacial and proglacial landscapes provide critical sources of water and solutes to downstream riverine and marine ecosystems. This dataset contains samples from the dominant landscape types in the Nellie Juan River basin, collected from surface streams, groundwater, rain, and snow. Water samples were also collected from streams near the Exit, Gulkana, and Kennicott Glaciers. Snow samples...

This dataset is one table with data collected and derived from female polar bears sampled in Alaska's southern Beaufort Sea during 1982-1985. Collected data includes demographic information. Derived data includes blood-based analyte values determined from serum samples. Serum samples were analyzed in 1986 by Evergreen Professional Services (Bothell, WA, USA). It is believed that a...

These data contain carbon and nitrogen isotope ratios in samples of Black Oystercatcher tissues (feathers and claws), as well as tissues from several species of prey, including mussels, limpets, clams, and snails. Samples were collected across a significant portion of the Black Oystercatcher's range, including the coast of the northern Gulf of Alaska down to the Salish Sea in British...

This data release contains observational data from a breeding bird inventory using standardized point counts conducted during May-June 2005 in Kenai Fjords National Park (KEFJ), Alaska. It also includes a single survey conducted for owls on the night of 30 April 2005. Data tables include 1) survey route details, 2) survey point details, 3) survey habitat details at survey points, 4) bird...