Subpopulation contributions to a breeding metapopulation of migratory Arctic herbivores: Survival, fecundity, and asymmetric dispersalRay Alisauskas, Anna Calvert, James Leafloor, Robert Rockwell, Kiel Drake, Dana Kellett, Rod Brook & Kenneth Abraham
Estimates of demographic parameters for lesser snow geese (Anser caerulescens caerulescens) have become critical to understand ecosystem change in northern Canada. Exponential increase in abundance has produced hyperdensities of these herbivores that can affect Arctic ecosystem stability through intense foraging. Increased and sustained marking of individually-identifiable lesser snow geese over their breeding distribution now permits joint estimation of local vital rates and movement probabilities among widely scattered subpopulations. We used multi-state models, including an unobservable...
1 citation reported since publication in 2022.
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