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- Title
An integrated data model to estimate spatiotemporal occupancy, abundance, and colonization dynamics.
- Authors
Williams, Perry J.; Hooten, Mevin B.; Womble, Jamie N.; Esslinger, George G.; Bower, Michael R.; Hefley, Trevor J.
- Abstract
Ecological invasions and colonizations occur dynamically through space and time. Estimating the distribution and abundance of colonizing species is critical for efficient management or conservation. We describe a statistical framework for simultaneously estimating spatiotemporal occupancy and abundance dynamics of a colonizing species. Our method accounts for several issues that are common when modeling spatiotemporal ecological data including multiple levels of detection probability, multiple data sources, and computational limitations that occur when making fine-scale inference over a large spatiotemporal domain. We apply the model to estimate the colonization dynamics of sea otters ( Enhydra lutris) in Glacier Bay, in southeastern Alaska.
- Subjects
SEA otter; SPATIOTEMPORAL processes; COLONIZATION; WILDLIFE conservation; SPECIES distribution
- Publication
Ecology, 2017, Vol 98, Issue 2, p328
- ISSN
0012-9658
- Publication type
Article
- DOI
10.1002/ecy.1643