Ecosystems are dynamic systems with complex responses to environmental variation. In
response to pervasive stressors of changing climate and disturbance regimes, many …

Across the globe, rising temperatures and altered precipitation patterns have caused
persistent regional droughts, lengthened fire seasons, and increased the number of weather …

Non‐native, invasive grasses have been linked to altered grass‐fire cycles worldwide.
Although a few studies have quantified resulting changes in fire activity at local scales, and …

Larger, more frequent wildfires in arid and semi‐arid ecosystems have been associated with
invasion by non‐native annual grasses, yet a complete understanding of fine fuel …

Piñon–juniper is a major vegetation type in western North America. Effective management of
these ecosystems has been hindered by inadequate understanding of 1) the variability in …

Fire regimes in sagebrush (Artemisia spp.) ecosystems have been greatly altered across the
western United States. Broad-scale invasion of non-native annual grasses, climate change …

The perception is that today's large fires are an ecological catastrophe because they burn
vast areas with high intensities and severities. However, little is known of the ecological …

Disturbance plays a key role in many alien plant invasions. However, often the main driver of
invasion is not disturbance per se but alterations in the disturbance regime. In some fire …

Sagebrush is one of the most imperiled ecosystems in western North America, having lost
about half of its original 62 million hectare extent. Annual grass invasions are known to be …

Repeated perturbations, both biotic and abiotic, can lead to fundamental changes in the
nature of ecosystems, including changes in state. Sagebrush steppe communities provide …