期刊
JOURNAL OF INSECT CONSERVATION
卷 14, 期 3, 页码 297-303出版社
SPRINGER
DOI: 10.1007/s10841-009-9251-0
关键词
Climate change; Altitude; Extreme events; Habitat; Refuges; Weather
资金
- Natural Environment Research Council [CEH010021] Funding Source: researchfish
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.
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