Automatically triggered cameras taking photographs or videos of passing animals (camera
traps) have emerged over the last decade as one of the most powerful tool for wildlife …

Many fields of science begin with a phase of exploration and description, followed by
investigations of the processes that account for observed patterns. The science of ecology is …

Detecting individuals of amphibian and reptile species can be a daunting task. Detection
can be hindered by various factors such as cryptic behavior, color patterns, or observer …

In the southern Beaufort Sea of the United States and Canada, prior investigations have
linked declines in summer sea ice to reduced physical condition, growth, and survival of …

Spatial heterogeneity in the environment induces variation in population demographic rates
and dispersal patterns, which result in spatio‐temporal variation in density and gene flow …

Abstract Changes in the abundance and distribution of wildlife populations are common
consequences of historic and contemporary climate change. Some Arctic marine mammals …

Survival is often estimated from capture–recapture data using Cormack–Jolly–Seber (CJS)
models, where mortality and emigration cannot be distinguished, and the estimated …

Observed and predicted declines in Arctic sea ice have raised concerns about marine
mammals. In May 2008, the US Fish and Wildlife Service listed polar bears (Ursus …

Estimation of demographic parameters is central to research questions in wildlife
management, conservation, and evolutionary ecology. I review the 7 major classes of mark …

Demographic data of rare and endangered species are often too sparse to estimate vital
rates and population size with sufficient precision for understanding population growth and …