Changes in the distribution and abundance of invasive species can have far-reaching
ecological consequences. Programs to control invaders are common but gauging the …

Monitoring population size at ecosystem scales is difficult for most species of conservation
concern. While assessing site occupancy at broad scales has proven feasible, rigorous …

Managing forests for biodiversity conservation while maintaining economic output is a major
challenge globally and requires accurate and timely monitoring of imperiled species. In the …

Invasive species are a primary threat to biodiversity and are challenging to manage once
populations become established in previously unoccupied areas. But removing them is …

The success of long-term wildlife monitoring programs can be influenced by many factors
and study designs often represent compromises between spatial scales and costs. Adaptive …

Predators are among the most threatened animal groups globally, with prey declines
contributing to their endangerment. However, assessments of the habitat conditions that …

The identification of individuals that have a recent hybrid ancestry (between populations or
species) has been a goal of naturalists for centuries. Since the 1960s, codominant genetic …

Forest avifauna in eastern North America have expanded their range across the Great
Plains to the West, likely due to anthropogenic changes. The barred owl (Strix varia) is a …

Wildlife monitoring programs designed to inform forest management and conservation
decisions in the face of climate change benefit from long-term datasets with consistent …

Maintaining dense forest habitats for the threatened northern spotted owl (NSO) has proven
challenging in seasonally dry, fire-dependent landscapes where low-density conditions …