Climate change and insect pests by Christer Björkman, Pekka Niemala

By Christer Björkman, Pekka Niemala

Bugs, being poikilothermic, are one of the organisms which are probably to reply to adjustments in weather, rather elevated temperatures. diversity expansions into new parts, additional north and to raised elevations, are already good documented, as are physiological and phenological responses. it really is expected that the wear via bugs increases as a result of weather switch, i.e. expanding temperatures basically. Climate switch and bug Pests sums up current wisdom concerning either agricultural and woodland insect pests and weather switch with a view to establish destiny examine instructions

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Global Change Biology 17, 194–205. Harrington, R. P. (1995) Insect crop pests and the changing climate. Weather 50, 200–208. G. and Jarvis, A. (2005) Very high resolution interpolated climate surfaces for global land areas.

G. ENM) predictions, valuable insights into species niche dimensions, and the added potential to investigate adaptive shifts, informs on species response to climate change. Consideration of other drivers that shape species distributions, including biotic interaction such as competition, the presence of natural enemies and impacts of host shifts, have the potential to increase the accuracy of prediction. Predicting response to climate change for pest insect species will benefit greatly from advances in species distribution modelling to include knowledge of The authors thank Ary Hoffmann, Paul Umina and Sarina Macfadyen for valuable discussion.

In this study, dynamic dispersal was combined with population processes and maps, characterizing heterogeneity in climate and habitat. Fitzpatrick et al. (2012) found that simulations generally matched the observed current extent of the invasion of HWA, but were not able to predict accurately when HWA was observed to arrive at different geographic regions. Differences between the modelled and observed dynamics were attributed to an inability to capture the timing and direction of long-distance dispersal events, which substantially affected the ensuing pattern of spread.

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