Journal
CANDOLLEA
Volume 68, Issue 2, Pages 197-207Publisher
CONSERVATOIRE ET JARDIN BOTANIQUES VILLE GENEVE
DOI: 10.15553/c2012v682a3
Keywords
Burkina Faso; Ecological gradients; Plant functional traits; Savanna; Species distribution models; Trees
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Funding
- German Ministry of Education and Research [01 LC 0617 D1]
- European Commission [INCO-031685, 243906]
- University of Ouagadougou
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The West African vegetation zones from the Sahara desert to the Guinean rainforests are shaped by a steep latitudinal precipitation gradient. Their taxonomical and functional composition changes considerably along this gradient. Based on comprehensive distribution data from herbariun collections and releves this paper presents modelled distributions of the 129 most frequent woody taxa of Burkina Faso with climatic, topographic and remote sensing parameters at a 1 km resolution as predictor variables. Subsequently we analysed this set of modelled distributions according to their functional composition. The resulting maps show clear geographical patterns for several key traits such as spinescence, plant size, flowering phenology and fruit type. The interactions between environmental factors and plant functional traits are discussed.
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