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Data Releases

The data collected and the techniques used by USGS scientists should conform to or reference national and international standards and protocols if they exist and when they are relevant and appropriate. For datasets of a given type, and if national or international metadata standards exist, the data are indexed with metadata that facilitates access and integration.

Filter Total Items: 16357

Lake Ontario Lake Trout Gillnet Survey 1983-2025 Lake Ontario Lake Trout Gillnet Survey 1983-2025

This data release includes Lake Ontario gillnet catch and biological data from individual fish from the Lake Ontario adult lake trout survey, from 1983 to 2025. Data from gillnets fished in Canadian waters are included from 1985 to 1995, 2008, and 2024. Details about the vessel and gear descriptions, sampling protocols, and fish processing protocols are provided in the associated...
By
Great Lakes Science Center

Feeding Behavior of Polar Bears at Bowhead Whale Remains on Barter Island Feeding Behavior of Polar Bears at Bowhead Whale Remains on Barter Island

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.
By
Ecosystems Mission Area, Alaska Science Center

Feeding Rates Measured in Zoo Polar Bears Feeding Rates Measured in Zoo Polar Bears

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.
By
Ecosystems Mission Area, Alaska Science Center

GPS Tracking Metadata for Caribou (Rangifer tarandus) from the Central Arctic Herd, Alaska, 2015-2021 GPS Tracking Metadata for Caribou (Rangifer tarandus) from the Central Arctic Herd, Alaska, 2015-2021

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...
By
Ecosystems Mission Area, Species Management Research Program, Alaska Science Center

Polar Bear Location and Activity Data at Bowhead Whale Remains on the Southern Beaufort Sea Coast Polar Bear Location and Activity Data at Bowhead Whale Remains on the Southern Beaufort Sea Coast

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...
By
Ecosystems Mission Area, Alaska Science Center

Data Used to Calculate Flow Logs for Wells on Marine Corps Base Camp Pendleton, California, 2024 Data Used to Calculate Flow Logs for Wells on Marine Corps Base Camp Pendleton, California, 2024

This dataset contains velocity and flow log data collected in 2024 for water production wells (PW) located on Marine Corps Base Camp Pendleton, PW-2602 and PW-2604. Data were collected using the tracer-pulse method described in Izbicki and others (1999), in which a pulse of a rhodamine dye tracer is injected to a known depth in an operating well and the travel time of the tracer to a...
By
California Water Science Center
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