Ontology highlight
ABSTRACT:
SUBMITTER: Smith TS
PROVIDER: S-EPMC7046283 | biostudies-literature | 2020
REPOSITORIES: biostudies-literature
Smith Tom S TS Amstrup Steven C SC Kirschhoffer B J BJ York Geoffrey G
PloS one 20200227 2
Denned polar bears (Ursus maritimus) are invisible under the snow, therefore winter-time petroleum exploration and development activities in northern Alaska have potential to disturb maternal polar bears and their cubs. Previous research determined forward looking infrared (FLIR) imagery could detect many polar bear maternal dens under the snow, but also identified limitations of FLIR imagery. We evaluated the efficacy of FLIR-surveys conducted by oil-field operators from 2004-2016. Aerial FLIR ...[more]