AI Article Synopsis
- Climate change is causing more outbreaks and shifts in the range of forest insect populations, with effects that are complex and not fully understood.
- The connection between climate and insect dynamics is becoming clearer, but factors like life history and tree health complicate these interactions.
- To better manage forest insects, it's suggested to use process-based methods for mapping distributions and modeling populations.
Article Abstract
Effects of climate on forest insect populations are complex, often involving drivers that are opposing, nonlinear, and nonadditive. Overall, climate change is driving an increase in outbreaks and range shifts. Links between climate and forest insect dynamics are becoming clearer; however, the underlying mechanisms remain less clear. Climate alters forest insect population dynamics directly through life history, physiology, and voltinism, and indirectly through effects on host trees and natural enemies. Climatic effects on bark beetles, wood-boring insects, and sap-suckers are often indirect, through effects on host-tree susceptibility, whereas climatic effects on defoliators are comparatively more direct. We recommend process-based approaches to global distribution mapping and population models to identify the underlying mechanisms and enable effective management of forest insects.
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| http://dx.doi.org/10.1016/j.cois.2023.101020 | DOI Listing |
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