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CABI Book Chapter

Climate change and insect pests.

Book cover for Climate change and insect pests.

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Chapter 9 (Page no: 154)

Abiotic factors, climatic variability and forest insect pests.

Abiotic factors have both direct and indirect effects on insects. This chapter focuses on the direct effects of abiotic factors, especially temperature, on insects with different life histories. We draw examples from forest insect pests, mainly from temperate and boreal regions. We also illustrate and discuss several issues relevant for modelling the direct effects of climatic factors on forest insect pests. Abiotic factors can affect the mortality of forest pests in different life stages. Insects are generally well adapted to average conditions during different seasons, but extremes can cause problems. Examples are given from forest defoliators and aphids on conifers. Outbreak distribution and frequency in relation to climatic factors is discussed, with examples from both North America and Europe: the forest tent caterpillar, the spruce budworm and the European pine sawfly. The spatial and temporal resolution used when analysing forest insect outbreaks has often been at greatly larger scales than those at which the relevant ecological processes operate. Consequently, for further work, we stress the importance of considering spatial variation in temperatures when modelling the effects of changing climate on forest pests. Between-year variation in climate is often large in temperate and boreal areas. Examples of the relationships between abiotic factors and forest insects illustrate the multiple ways in which weather can modulate population dynamics. Finally, we discuss the possibilities for predicting the effects of changing abiotic factors on forest insect outbreaks. Multidisciplinary cooperation between researchers in different fields is urgently needed to bridge the gaps between the scales of insect pest dynamics, climate models and data. This is necessary to understand better the impacts of variable and changing climate on forest insect pests.

Other chapters from this book

Chapter: 1 (Page no: 1) Climate change and insect pest distribution range. Author(s): Battisti, A. Larsson, S.
Chapter: 2 (Page no: 16) Species distribution modelling in predicting response to climate change. Author(s): Hill, M. P. Thomson, L. J.
Chapter: 3 (Page no: 38) Adaptive responses of plants to insect herbivores under climate change. Author(s): Rasmann, S. Pellissier, L.
Chapter: 4 (Page no: 54) Boreal woody species resistance affected by climate change. Author(s): Julkunen-Tiitto, R. Nybakken, L. Randriamanana, T. Virjamo, V.
Chapter: 5 (Page no: 74) Effects of climate change on the interactions between insect pests and their natural enemies. Author(s): Kalinkat, G. Rall, B. C.
Chapter: 6 (Page no: 92) Physiological variation of insects in agricultural landscapes: potential impacts of climate change. Author(s): Terblanche, J. S. Karsten, M. Mitchell, K. A. Barton, M. G. Gibert, P.
Chapter: 7 (Page no: 119) Climate change and biological control in agricultural systems: principles and examples from North America. Author(s): Eigenbrode, S. D. Davis, T. S. Crowder, D. W.
Chapter: 8 (Page no: 136) Climate change effects on agricultural insect pests in Europe. Author(s): Lindström, L. Lehmann, P.
Chapter: 10 (Page no: 173) Responses of tree-killing bark beetles to a changing climate. Author(s): Raffa, K. F. Aukema, B. H. Bentz, B. J. Carroll, A. L. Hicke, J. A. Kolb, T. E.
Chapter: 11 (Page no: 202) The Eurasian spruce bark beetle: the role of climate. Author(s): Økland, B. Netherer, S. Marini, L.
Chapter: 12 (Page no: 220) Pine wood nematode, pine wilt disease, vector beetle and pine tree: how a multiplayer system could reply to climate change. Author(s): Roques, A. Zhao LiLin Sun JiangHua Robinet, C.
Chapter: 13 (Page no: 235) Northern geometrids and climate change: from abiotic factors to trophic interactions. Author(s): Ammunét, T. Bylund, H. Jepsen, J. U.
Chapter: 14 (Page no: 248) Effects of new forest management on insect damage risk in a changing climate. Author(s): Björkman, C. Bylund, H. Nilsson, U. Nordlander, G. Schroeder, M.

Chapter details

  • Author Affiliation
  • Natural Resources Institute Finland, P.O. Box 68 (Yliopistokatu 6), FI-80101 Joensuu, Finland.
  • Year of Publication
  • 2015
  • ISBN
  • 9781780643786
  • Record Number
  • 20153325841