%ATutland, Niko [Department of Forest and Rangeland Stewardship Colorado State University Fort Collins Colorado USA]%ARodman, Kyle [Ecological Restoration Institute Northern Arizona University Flagstaff Arizona USA]%AAndrus, Robert [School of the Environment Washington State University Pullman Washington USA]%AHart, Sarah [Department of Forest and Rangeland Stewardship Colorado State University Fort Collins Colorado USA]%BJournal Name: Ecosphere; Journal Volume: 14; Journal Issue: 3; Related Information: CHORUS Timestamp: 2023-08-21 22:09:34 %D2023%IWiley Blackwell (John Wiley & Sons) %JJournal Name: Ecosphere; Journal Volume: 14; Journal Issue: 3; Related Information: CHORUS Timestamp: 2023-08-21 22:09:34 %K %MOSTI ID: 10402667 %PMedium: X %TOverlapping outbreaks of multiple bark beetle species are rarely more severe than single‐species outbreaks %X
Biotic disturbances that overlap in space and time may result in important shifts in forest structure and composition, with potential effects on many ecosystem services. Starting in the late 1990s, outbreaks of multiple bark beetle species caused widespread mortality of three co‐occurring conifer species in the ca. 40,000‐km2subalpine zone of the southern Rocky Mountains (SRM), USA. To better understand the implications of such outbreaks, our goal was to determine if overlapping outbreaks of multiple bark beetle species caused greater tree mortality than single‐species outbreaks in stands with multiple susceptible host tree species. We mapped stand susceptibility to outbreaks of spruce beetle (SB,