Inflection point in climatic suitability of insect pest species in Europe suggests non-linear responses to climate change

© 2020 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 26(2020), 11 vom: 01. Nov., Seite 6338-6349
1. Verfasser: Grünig, Marc (VerfasserIn)
Weitere Verfasser: Calanca, Pierluigi, Mazzi, Dominique, Pellissier, Loïc
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article agricultural crop climate change insect pest physiological model species distribution model temperature threshold
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520 |a Climate change and globalization affect the suitable conditions for agricultural crops and insect pests, threatening future food security. It remains unknown whether shifts in species' climatic suitability will be linear or rather non-linear, with crop exposure to pests suddenly increasing when a critical temperature threshold is crossed. Moreover, uncertainty of forecasts can arise because of the modelling approach based either on species distribution data or on physiological measurements. Here, we compared the predictions of two modelling approaches (physiological models and species distribution models) for forecasting the potential distribution of agricultural insect pests in Europe. Despite conceptual differences, we found good agreement overall between the two approaches. We further identified a potential regime change in pest pressure along a temperature gradient. With both modelling approaches, we found an inflection point in the number of pest species with suitable climatic conditions around a minimum temperature of the coldest month of -3°C. Our results could help decision-makers anticipate the onset of rising pest pressure and provide support for intensifying surveillance measures, particularly in regions where temperatures are already beyond the inflection point 
650 4 |a Journal Article 
650 4 |a agricultural crop 
650 4 |a climate change 
650 4 |a insect pest 
650 4 |a physiological model 
650 4 |a species distribution model 
650 4 |a temperature threshold 
700 1 |a Calanca, Pierluigi  |e verfasserin  |4 aut 
700 1 |a Mazzi, Dominique  |e verfasserin  |4 aut 
700 1 |a Pellissier, Loïc  |e verfasserin  |4 aut 
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