Forest insect population dynamics

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2023_springer-garnas_forest.pdf (733.78 KB)
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URI: http://hdl.handle.net/10347/30861
ISBN: 978-3-031-11553-0
DOI: 10.1007/978-3-031-11553-0_5

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2023

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Springer
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Most insect species are rare most of the time, but populations of certain taxa exhibit dramatic fluctuations in abundance across years. These fluctuations range from highly regular, cyclical dynamics to mathematical chaos. Peaks in abundance, or “population outbreaks” are notable both for the damage they can cause in natural and planted forests and for the rich body of research and theory they have inspired focused on elucidating drivers of population fluctuations across time and space. This chapter explores some of the key mechanisms that explain the population dynamics of outbreaking species, including variation in intrinsic growth rates, lagged endogenous feedbacks linked to top-down and/or bottom-up effects, nonlinearities in the density dependent relationship, and the existence of multiple stable and unstable equilibria, among others. We explore some basic mathematical and graphical approaches to modeling and representing these dynamics and provide a suite of empirical examples from the recent and historical literature

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Forest Entomology| Integrated Pest Management

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Garnas J., Lombardero M.J., Ayres M.P. 2023. Forest Insects Population Dynamics. Chapter 5. pp. 115-140. In: Allison J, Paine TD Forest Entomology. Springer. 810 pp. Hardcover ISBN: 978-3-031-11552-3. eBook ISBN:978-3-031-11553-0.

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© The Author(s) 2023. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/

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