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Lookup NU author(s): Professor Ian Calder, Emma Bishop
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This paper recommends a revision of watershed development policy in India in relation to the planning of development interventions involving agricultural intensification and rainwater harvesting following biophysical and societal impact studies carried out on two watershed development projects in Karnataka. A need for changes in policy has arisen in response to progressive catchments closure at the basin level and declining volumes of water flowing into village level reservoirs (known locally as tanks). Flow reductions have occurred largely as a result of increased agricultural intensification over the past 10-15 years. Field levelling, field bund construction, soil water conservation measures, farm ponds, the increase in areas under horticulture and forestry and the increased abstraction and use of groundwater for irrigation are all contributing factors to reduced flows. Planning methodologies and approaches, which may have been appropriate 20 years ago for planning water harvesting within watershed development projects, are no longer appropriate today. New planning approaches are required which (1) take account of these changed flow conditions and (2) are also able to take account of externalities, which occur when actions of some affect the livelihoods of others who have no control or influence over such activities and which (3) contribute to the maintenance of agreed minimum downstream flows for environmental and other purposes. © 2007 Springer Science+Business Media B.V.
Author(s): Calder IR, Gosain A, Rao MSRM, Batchelor C, Snehalatha M, Bishop EJ
Publication type: Article
Publication status: Published
Journal: Environment, Development and Sustainability
Year: 2008
Volume: 10
Issue: 4
Pages: 537-557
ISSN (print): 1387-585X
ISSN (electronic): 1573-2975
Publisher: Springer Netherlands
URL: http://dx.doi.org/10.1007/s10668-006-9079-7
DOI: 10.1007/s10668-006-9079-7
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