A REVIEW OF THE MODELLING CLIMATE CHANGE IMPACTS ON INSECT PEST POPULATION DYNAMICS

M. ANIL¹*, M. MONIKA², M. BRAJMOHAN³, M. SURESH CHAND⁴, NARENDR KUMAR MEENA^5
1Division of Entomology, ICAR - Indian Agricultural Research Institute, Pusa Campus, New Delhi, 110012
²Department of Plant Breeding & Genetics, Maharana Pratap University of Agriculture and Technology, Udaipur, Rajasthan 313001
³Department of Entomology, Maharana Pratap University of Agriculture and Technology, Udaipur, Rajasthan 313001
⁴Department of Plant Pathology, Maharana Pratap University of Agriculture and Technology, Udaipur, Rajasthan 313001
⁵Department of Economics, College of Post Graduate Studies, Central Agricultural University, Umiam, Meghalaya 793103
* Corresponding Author : narendrameena090@gmail.com

Received : 20-04-2017     Accepted : 27-04-2017     Published : 18-05-2017
Volume : 9     Issue : 23       Pages : 4272 - 4274
Int J Agr Sci 9.23 (2017):4272-4274

Keywords : Model, Climate change, Insect-pest, Population dynamics
Academic Editor : Karuppaiah V.
Conflict of Interest : None declared
Acknowledgements/Funding : Thanks to Indian Council of Agricultural Research (ICAR), New Delhi, India for providing Senior Research Fellowship for conducting the research programme and division of entomology IARI, PUSA, for making available the necessary facilities
Author Contribution : All author equally contributed

A warming climate has the potential to significantly modify the actual distribution of insect pests in agroecosystem. Insect pest models allow the estimation of the potential effects of a warming climate based on their physiological responses to specific weather factors. The global climate changes have notable impacts on agriculture as well as crop pests. Crop plants and their associated pests both are directly and indirectly influenced by climatic change. Climate change affects insect, mites, nematodes, other invertebrates, vertebrates and also microbial pests and the damage they cause is directly influenced by their reproduction, development, survival, spread, population dynamics or altering host defences and susceptibility. Indirectly, climate change impacts the relationships between pests, their environment and other species such as natural enemies, competitors, vectors and mutualists. Mechanistic models of the impacts of climate change on insects can be seen as very specific hypotheses about the connections between microclimate, eco-physiology and vital rates. These models must adequately capture stage-specific responses, carry-over effects between successive stages, and the evolutionary potential of the functional traits involved in complex insect life-cycles.

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