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Chapter 10:
WatershedmanagementofSerengRiverBasin:
Part of the Brantas River Basin System, East Java, Indonesia
Salmah Zakaria
United Nations Economic and Social Commission for Asia and the Pacific (ESCAP), Bangkok, Thailand
This project focused on small watershed management of the Sereng River Basin, in an area of high agricultural productivity from fertile soil but with degraded hill slopes and acute pollution of the streams from animal waste and soil erosion. With the support of public agencies, the committed local communities have turned these challenges into opportunities. They learned how to manage their rural wa- tershed through a combination of terracing, reforestation, constructing gully plugs, riverbank protection and check dams, thus reducing erosion of the hill slopes. They learned to harness small hydropower for their street lights and recycle their animal waste into biogas for cooking, providing them with alternative energy sources. These activities have the added effect of reducing pollution of streams and rivers.