RT null T1 Environmental Guidelines for Watershed Development - UNEP Environmental Management Guidelines No. 3 A1 United Nations Environment Programme, A2 Ahmad, Yusuf K1 timber K1 afforestation K1 agroforestry K1 range management K1 watershed management K1 mountain ecosystem K1 guideline K1 environmental aspect SN 92 807 1053 2 YR 1982 FD 1982 LK https://wedocs.unep.org/handle/20.500.11822/29046 UL https://wedocs.unep.org/handle/20.500.11822/29046 NO Economic and development activities in watersheds can be manifold and the interactions between the physical, biologic and socio-economic factors very complex. Therefore, watershed management and development needs an integrated approach to maximize the use of natural resources and to prevent undesirable environmental hazards. DS UN Environment Document Repository RD Sep 17, 2026