Temporal variations in English populations of a forest insect pest, the green spruce aphid (Elatobium abietinum), associated with the North Atlantic Oscillation and global warming

Westgarth-Smith, Angus and Leroy, S.A.G. and Collins, P.E.F. and Harrington, R. (2007) Temporal variations in English populations of a forest insect pest, the green spruce aphid (Elatobium abietinum), associated with the North Atlantic Oscillation and global warming. Quaternary International 173-4 , pp. 153-160. ISSN 1040-6182.

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Official URL: https://doi.org/10.1016/j.quaint.2007.05.001

Abstract

Based on an exceptionally long modern ecological dataset (41 years), it has been possible to show that warm weather in England associated with a positive North Atlantic Oscillation (NAO) index causes the spring migration of the green spruce aphid (Elatobium abietinum), a pest species of spruce trees (Picea) to start earlier, continue for longer and contain more aphids. An upward trend in the NAO index during the period 1966–2006 is associated with an increasing population size of E. abietinum. It is important to understand the mechanisms behind the population fluctuations, because this aphid causes considerable damage to Picea plantations. Present day weather-associated fluctuations in forest insect pests may be useful analogues in understanding past pest outbreaks in forests.

Metadata

Item Type:	Article
School:	Birkbeck Schools and Departments > School of Science > Biological Sciences
Depositing User:	Administrator
Date Deposited:	07 Sep 2017 08:40
Last Modified:	07 Sep 2017 08:40
URI:	http://eprints.bbk.ac.uk/id/eprint/19611

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