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sur le développement des zones arides et semi-arides

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Wageningen Universiteit (1992)

Graminees du Cameroun

Zon, A.P.M. van der

Titre : Graminees du Cameroun

Auteur : Zon, A.P.M. van der

Université de soutenance : Wageningen Universiteit

Grade : PhD thesis 1992

Résumé partiel _The grasses are one of the most important plant families of Cameroon. The dry savanas of the North and the mountainous areas of central and western Cameroon are extensive grass areas which are of utmost importance for cattle and fauna in general. Several of the importantant traditional agricultural crops such as sorghum, maize and rice are members of the grass family. For botanical education and research of plant communities and grasslands the knowledge of grasses is of great importance. At the Cameroonian universities and the Garoua wildlife school there was a great need of a practical grass flora of Cameroon in the french language. The first part of the grasses of Cameroon deals with the geology, topography, soils and climate. Next is a discussion of the phytogeography of the grasses and thereafter an overview is given of the prairies and their use by cattle and wildlife. Three more or less clear defined plant geographical vegetation zones are distinguished, each of them can be further subdivided : the Soudanian zone (North, and the lower part of the uplands), the Afro-Montaneous zone (the mountains above 2000 m) and the Congo-Guinean zone (forest zone), each with its typical species and genera. The northern slope of the Adamaoua plateau is a clear boundary within the Soudanian zone. The uplands are the richest in species diversity of grasses. The open vegetations of Cameroun are often dominated by the grasses, and specimens of these areas are well represented in plant collections. The presence of the Garoua wildlife school has stimulated the knowledge of the vegetation of northern Cameroon. Also around Bamenda (research station Bambui) and on Mt Cameroon many grasses have been collected.

Mots clés  : grasses / poaceae / plants / identification / flora / cameroon / fodder grasses

Présentation et version intégrale

Page publiée le 19 mars 2009, mise à jour le 30 mai 2022