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This document was produced under the project "Integrating Wetland Economic Values intoRiver Basin Management", carried out with financial support from DFID, the UK Department forInternational Development, as part of the Water and Nature Initiative of IUCN - The WorldConservation Union. The designation of geographical entities in this publication, and thepresentation of materials therein, do not imply the expression of any opinion whatsoever on thepart of IUCN or DFID concerning the legal status of any country, territory or area, or of itsauthorities, or concerning the delimitation of its frontiers or boundaries. The views expressed inthis publication also do not necessarily reflect those of IUCN, or DFID.Published by:Copyright:IUCN — The World Conservation Union© 2005, International Union for Conservation of Natureand Natural Resources.Citation:ISBN: 955-8177-50-4Reproduction of this publication for educational andother non-commercial purposes is authorised withoutprior permission from the copyright holder, providing thesource is fully acknowledged. Reproduction of thepublication for resale or for other commercial purposesis prohibited without prior written permission from thecopyright holder.S. Vidanage, S. Perera and M. Kallesoe, 2005, TheValue of Traditional Water Schemes: Small Tanks in theKala Oya Basin, Sri Lanka. IUCN Water, Nature andEconomics Technical Paper No. 6, IUCN — The WorldConservation Union, Ecosystems and LivelihoodsGroup Asia.Cover illustration:Edited by:Small tank resource users, Kala Oya Basin, Sri Lanka(Sudarshana Perera)Lucy EmertonProduced by:IUCN — The World Conservation Union, Ecosystemsand Livelihoods Group Asia, Colombo.Available from: IUCN Ecosystems and Livelihoods Group Asia, 53Horton Place, Colombo, SRI LANKA. Email:iucn@iucnsl.orgIUCN Water & Nature Initiative, Rue Mauverney 28,1196 Gland, SWITZERLAND. Email:waterandnature@iucn.org