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Elevation and habitats: the potential of sites at different altitudes to provide refuges for phytophagous insects during climatic fluctuations

Hardy, Peter B.; Kinder, Phillip M.; Sparks, Tim H.; Dennis, Roger L.H.. 2010 Elevation and habitats: the potential of sites at different altitudes to provide refuges for phytophagous insects during climatic fluctuations. Journal of Insect Conservation, 14 (3). 297-303. 10.1007/s10841-009-9251-0

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Abstract/Summary

Uplands are expected to provide refuges for species subject to lowland habitat loss and projected climate changes. Here, we argue that upland populations also provide refuges when lowland sites are subject to climatic fluctuations and extreme events and that species with populations dispersed over adjoining uplands and lowlands spread their risk of extinction. A proviso is that development is sufficiently lagged with altitude but that development rates are compatible. Emergence patterns and development of the butterfly Anthocharis cardamines and its larval host plant Cardamine pratensis show these characteristics, and coupled with the butterfly’s capacity to migrate between isolated populations present a case where upland and lowland populations can act as sources when one or the other area is adversely affected by extreme events.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1007/s10841-009-9251-0
Programmes: CEH Topics & Objectives 2009 onwards > Biodiversity
CEH Sections: CEH fellows
ISSN: 1366-638X
Additional Keywords: climate change, altitude, extreme events, habitat, refuges, weather
NORA Subject Terms: Meteorology and Climatology
Biology and Microbiology
Date made live: 02 Mar 2011 14:35
URI: http://nora.nerc.ac.uk/id/eprint/13680

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