Phenology is a major determinant of tree species range

Global warming is expected to have a major impact on plant distributions, an issue of key importance in biological conservation. However, very few models are able to predict species distribution accurately, although we know species respond individually to climate change. Here we show, using a proces...

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Bibliographic Details
Published in:Ecology letters 2001-08, Vol.4 (5), p.500-510
Main Authors: Chuine, Isabelle, Beaubien, Elisabeth G.
Format: Article
Language:English
Subjects:
Bursa of Fabricius
cellular memory
cost of immunity
parasite-host interaction
prospecting
thymus
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Summary:Global warming is expected to have a major impact on plant distributions, an issue of key importance in biological conservation. However, very few models are able to predict species distribution accurately, although we know species respond individually to climate change. Here we show, using a process‐based model (PHENOFIT), that tree species distributions can be predicted precisely if the biological processes of survival and reproductive success only are incorporated as a function of phenology. These predictions showed great predictive power when tested against present distributions of two North American species – quaking aspen and sugar maple – indicating that on a broad scale, the fundamental niche of trees coincides with their realized niche. Phenology is shown here to be a major determinant of plant species range and should therefore be used to assess the consequences of global warming on plant distributions, and the spread of alien plant species.
ISSN:1461-023X
1461-0248
DOI:10.1046/j.1461-0248.2001.00261.x