Vegetation Characteristics of Bowé in Benin (West Africa)
Journal of Plant Sciences
Volume 2, Issue 5, October 2014, Pages: 250-255
Received: Oct. 21, 2014; Accepted: Nov. 4, 2014; Published: Nov. 10, 2014
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Elie Antoine Padonou, Faculty of Agronomic Sciences, University of Abomey-Calavi, Abomey-Calavi, Benin
Aristide Cossi Adomou, National Herbarium, Faculty of Sciences and Technics, University of Abomey-Calavi, Abomey-Calavi, Benin
Yvonne Bachmann, Institute of Ecology, Evolution and Diversity, J.W. Goethe University, Frankfurt am Main, Germany
Anne Mette Lykke, Department of Bioscience, Aarhus University, Silkeborg, Denmark
Brice Sinsin, Faculty of Agronomic Sciences, University of Abomey-Calavi, Abomey-Calavi, Benin
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Bowé are particular form of degraded land where ferricrete, a hard erosion-resistant layer, is exposed. This study investigated vegetation characteristics of bowé (species composition, life form, chorological type, and plant family) in the semiarid and sub-humid climate zones in Benin. In both climate zones, bowé sites were characterized by grassland and savanna. The species composition on bowé varied according to the climate zone. Woody species were frequent on bowé in sub-humid (51% of the total species recorded) than in semiarid (44%). Geophytes, hemicryptophytes and phanerophytes were frequent on bowé in the sub-humid than in the semiarid climate zone. The difference between the two climate zones on the occurrence of therophytes on bowé was not significant. The frequency of chamaephytes was higher on bowé sites in the semiarid zone. Afro-tropical, Afro-Malgache, Pluri regional African and Pantropical chorological types were frequent on bowé than in woodlands in each climate zone while the opposite was found for Guineo-Congolian and Sudano-Zambesian chorotypes. Plant families such as Amaranthaceae, Zingiberaceae, Chrysobalanaceae, Connaraceae, Loganiaceae, Moraceae and Ochnaceae were only found on bowé in the sub-humid climate zone, while Convolvulaceae, Loganiaceae, Rhamnaceae, Araceae, Colchicaceae, Cucurbitaceae, Olacaceae, Pedaliaceae, Amaranthaceae, and Cyperaceae were only found on bowé in the semiarid zone.
Bowal, Ferricrete, Climate Zone, Species Composition, Life Form, Chorological Type, Plant Families
To cite this article
Elie Antoine Padonou, Aristide Cossi Adomou, Yvonne Bachmann, Anne Mette Lykke, Brice Sinsin, Vegetation Characteristics of Bowé in Benin (West Africa), Journal of Plant Sciences. Vol. 2, No. 5, 2014, pp. 250-255. doi: 10.11648/j.jps.20140205.27
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