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Replication Data for: Floristic diversity of Piliostigma asssociations in relation to latitudinal gradient, soil and climate variables in Burkina Faso, West Africa

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Title Replication Data for: Floristic diversity of Piliostigma asssociations in relation to latitudinal gradient, soil and climate variables in Burkina Faso, West Africa
 
Identifier https://doi.org/10.34725/DVN/25138
 
Creator YELEMOU BARTHÉLEMY, SAVADOGO PATRICE, TRAORÉ SALIFOU, MILLOGO-RASOLODIMBY JEANNE, HIEN VICTOR
 
Publisher World Agroforestry - Research Data Repository
 
Description We examined the floristic composition and its relationship with environmental factors across 80 floristic relevés of Piliostigma stands distributed along a north-south gradient in Burkina Faso. Various diversity indices were computed. Detrended Correspondence Analysis and Canonical Correspondence Analysis (CCA) were used to explore the relationship between species occurring in Piliostigma stands and environmental variables. The results showed that Piliostigma communities show only limited variation in species composition among sites. The first two axes of the DCA together explained 16.5% of the floristic variation. The CCA showed that climatic variables explain 42% of the species variance. The Piliostigma reticulatum asssociation is adapted to reduced rainfall and sandy soil, whereas the P. thonningii association occurs preferentially on clay soil.
 
Subject Agricultural Sciences
Disturbance
Environmental factors
Habitat specialization
Ordination
Species distribution
 
Date 2013
 
Type Survey