Polar Bear Hair Cortisol Concentrations from Alaskan Seas, 1983-2016
by George M. Durner / United States Geological Survey
Description
Cortisol concentrations assayed from polar bear hair samples collected across three Alaskan seas over multiple decades. The dataset includes morphometric data for some captured bears, such as body length, girth, and mass. Data was collected by the United States Geological Survey and covers periods from 1983-1989 and 2004-2016.
Use Cases
Modeling physiological stress responses based on cortisol concentration in hair.
Analyzing body condition trends based on morphometric data like body mass and length.
Investigating relationships between reproductive status and stress hormone levels.
Studying long-term changes in polar bear health across different Alaskan sea regions.
Strengths
Multi-decade temporal coverage spanning 1983-1989 and 2004-2016.
Spatial coverage includes three distinct Alaskan sea regions.
Includes both hormone assay data and physical morphometric measurements for some individuals.
Limitations
Row count is unknown, which may limit suitability assessment.
Column-level documentation is absent; field semantics must be inferred after download.
Last update date is unknown; freshness unverified.
Provenance
Source
United States Geological Survey
Collection Method
Assayed from hair samples collected from captured polar bears.