Integrating spatial capture-recapture and telemetry data to estimate abundance and movement of marine mammals

• Main Authors: Sarah Converse, Nathan Hostetter, Eric Regehr
• Format: Dataset
• Language: unknown
• Published: Research Workspace 2021
• Subjects: CONTINENT > NORTH AMERICA > CANADA > HUDSON BAY; OCEAN > ARCTIC OCEAN > CHUKCHI SEA; polar bear; Ursus maritimus; ours blanc, Polar Bear; telemetry; survival; habitat use; abundance; marine mammals; capture-mark-recapture; movement; acoustic telemetry; Aleutian Islands; density; capture-recapture; integrated modeling; marine birds and mammals; Arctic; Arctic Ocean; Canada; Chukchi Sea; Hudson; Hudson Bay; Chukchi; ours blanc
• Online Access: https://search.dataone.org/view/10.24431_rw1k6cv_20221208T005827Z

The files in this folder demonstrate how spatial capture–recapture (SCR) methods can be adapted to model movement and space use in aquatic systems. Appenidx_1A_MvmtAssistedLocalization.R simulates and analyzes acoustic telemetry data in an SCR framework. sim_SCR_mvmt.R simulates and models an integrated SCR–movement model that jointly quantifies abundance, distribution, and movement of individuals using capture-recapture and telemetry data motivated by polar bear studies in the eastern Chukchi Sea. Finally, three files are used to simulate and model an age-structured capture-recapture model that incorporates age and capture-recapture data to provide comprehensive information on population dynamics including abundance, age-dependent survival, recruitment, age structure, and population growth rates. The motivating polar bear data from the western Hudson Bay are included in SupplementS3_CaseStudyData.txt.