00994nam a2200265 i 450000100060000000300080000600500170001400800390003102000150007003500190008504000320010404100080013608200270014424500520017126000350022330000280025850001860028650400290047265000450050165000330054665000310057965100230061071000120063371000830064533519BD-RjUL20211209052025.0140508s1975    fr a     b   i100 0 eng  a9231012371  a(BD-RjUL)33610  aDLCcDLCdDLCdBD-RjULbeng  aeng00a630.27450967bSAH 197504aThe Sahel :becological approaches to land use.  aParis :bUnesco Press,cc1975.  a99 p. :bill. ;c27 cm.  aPapers from a meeting on the Sahelian region, organized by Unesco within the framework of its Man and the Biosphere Programme (MAB), held in Niamey (Niger) from 11 to 15 March 1974.  aIncludes bibliographies. 0aAgricultural ecologyzSahelxCongresses. 0aLand usezSahelxCongresses. 0aNomadszSahelxCongresses. 0aSahelxCongresses.2 aUnesco.2 aInternational Co-ordinating Council of the Programme on Man and the Biosphere.