Climate change-mediated temperature extremes and insects : From outbreaks to breakdowns

© 2020 The Authors. Global Change Biology published by John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 26(2020), 12 vom: 02. Dez., Seite 6685-6701
1. Verfasser: Harvey, Jeffrey A (VerfasserIn)
Weitere Verfasser: Heinen, Robin, Gols, Rieta, Thakur, Madhav P
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article Review anthropogenic climate change biodiversity climatic extremes heatwaves herbivory insect physiology multitrophic interactions parasitoids predators
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520 |a Insects are among the most diverse and widespread animals across the biosphere and are well-known for their contributions to ecosystem functioning and services. Recent increases in the frequency and magnitude of climatic extremes (CE), in particular temperature extremes (TE) owing to anthropogenic climate change, are exposing insect populations and communities to unprecedented stresses. However, a major problem in understanding insect responses to TE is that they are still highly unpredictable both spatially and temporally, which reduces frequency- or direction-dependent selective responses by insects. Moreover, how species interactions and community structure may change in response to stresses imposed by TE is still poorly understood. Here we provide an overview of how terrestrial insects respond to TE by integrating their organismal physiology, multitrophic, and community-level interactions, and building that up to explore scenarios for population explosions and crashes that have ecosystem-level consequences. We argue that TE can push insect herbivores and their natural enemies to and even beyond their adaptive limits, which may differ among species intimately involved in trophic interactions, leading to phenological disruptions and the structural reorganization of food webs. TE may ultimately lead to outbreak-breakdown cycles in insect communities with detrimental consequences for ecosystem functioning and resilience. Lastly, we suggest new research lines that will help achieve a better understanding of insect and community responses to a wide range of CE 
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650 4 |a anthropogenic climate change 
650 4 |a biodiversity 
650 4 |a climatic extremes 
650 4 |a heatwaves 
650 4 |a herbivory 
650 4 |a insect physiology 
650 4 |a multitrophic interactions 
650 4 |a parasitoids 
650 4 |a predators 
700 1 |a Heinen, Robin  |e verfasserin  |4 aut 
700 1 |a Gols, Rieta  |e verfasserin  |4 aut 
700 1 |a Thakur, Madhav P  |e verfasserin  |4 aut 
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