期刊
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
卷 280, 期 1750, 页码 -出版社
ROYAL SOC
DOI: 10.1098/rspb.2012.2262
关键词
individual movement; animal telemetry; spatial ecology; state-space model; foraging behaviour; oceanographic drivers of movement
资金
- Australian Integrated Marine Observing System
- Terre-Ocean-Surface Continentale-Atmosphere-Centre National d'Etudes Spatiales
- Groupe de Mission Mercator Coriolis
- Total Fondation
- Killam Post-doctoral Fellowship
- Canadian Foundation for Innovation (CFI)
- Natural Sciences and Engineering Research Council (NSERC)
A fundamental goal in animal ecology is to quantify how environmental (and other) factors influence individual movement, as this is key to understanding responsiveness of populations to future change. However, quantitative interpretation of individual-based telemetry data is hampered by the complexity of, and error within, these multi-dimensional data. Here, we present an integrative hierarchical Bayesian state-space modelling approach where, for the first time, the mechanistic process model for the movement state of animals directly incorporates both environmental and other behavioural information, and observation and process model parameters are estimated within a single model. When applied to a migratory marine predator, the southern elephant seal (Mirounga leonina), we find the switch from directed to resident movement state was associated with colder water temperatures, relatively short dive bottom time and rapid descent rates. The approach presented here can have widespread utility for quantifying movement-behaviour (diving or other)-environment relationships across species and systems.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据