Poulsen, Gunnar2007-11-121978-04-012007-11-1219780-88936-154-1IDRC-101ehttp://hdl.handle.net/10625/5272French version available in IDRC Digital Library: Homme et l'arbre en Afrique tropicale : trois essais sur le rôle des arbres dans l'environnement africainCompilation of essays on the ecological role of tree species and forests in Africa south of Sahara - discusses forest production, forest utilization of forest products, shelterbelts and soil erosion control; fuel wood shortage and its impact on nutrition particularly in the Sahel; shifting cultivation and its effects on soil fertility.Text1 digital file (31 p. : ill.)application/pdfenECOLOGYTREESFORESTSAFRICA SOUTH OF SAHARAFOREST PRODUCTIONFOREST UTILIZATIONFOREST PRODUCTSSHELTERBELTSSOIL EROSIONEROSION CONTROLFUELSWOODNUTRITIONSAHELSHIFTING CULTIVATIONSOIL FERTILITYIDRC Book