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Ecological Modelling
Volume 96, Issues 1-3, 1 March 1997, Pages 29-39
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Copyright © 1997 Published by Elsevier Science B.V.

A model describing the population dynamics of Sitobion avenae and Coccinella septempunctata
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D. J. SkirvinCorresponding Author Contact Information, J. N. Perry and R. Harrington

Department of Entomology and Nematology, IACR — Rothamsted Experimental Station, Harpenden, Hertfordshire AL5 2JQ, UK

Received 27 February 1996; 
accepted 13 May 1996. ;
Available online 8 June 1998.


A model that described the summer population dynamics of the cereal aphid Sitobion avenae (Carter et al., 1982) was modified and extended to include the population dynamics of the aphidophagous predator Coccinella septempunctata. New equations were formulated to describe the dependence of aphid development and reproduction on temperature. The predation interaction between the aphid and coccinellid was formulated with a modified form of the temperature-mediated functional response equation proposed by Mack et al. (1981) and Mack and Smilowitz (1982). The output obtained from the model provided a reasonably good fit to field data. Recommendations for further research are made based on these results and on a sensitivity analysis reported elsewhere (Skirvin et al., 1996).

Author Keywords: Coccinella septempunctata; Sitobion avenae; Population dynamics; Temperature-mediated functional response

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Corresponding Author Contact InformationCorresponding author. Present address: Department of Entomology, Horticulture Research International, , Wellesbourne, Warwickshire CV35 9EF, , UK. Tel.: +44- 1789-470382; fax: +44- 1789-470552.

Ecological Modelling
Volume 96, Issues 1-3, 1 March 1997, Pages 29-39
Result list | previous < 180 of 1,049 > next 
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