Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Deforestation and Declining Irrigation in Southeast Asia: A Philippine Case
Situations have been identified where previously sustainable irrigation systems in long settled environments of South and Southeast Asia are contracting in irrigated area. This paper critically examines the theories addressing this situation. An alternative approach is used based on the impact of intensified upland land use on irrigated 'downstream' lands. All theories are empirically tested in a Philippine situation. Two interrelated factors are responsible: uncontrolled deforestation of uplan d areas and resultant destabilization of the hydrological regime, and indigenous irrigation systems that fail to distribute water adequately under altered hydrological conditions.
Deforestation and Declining Irrigation in Southeast Asia: A Philippine Case
Situations have been identified where previously sustainable irrigation systems in long settled environments of South and Southeast Asia are contracting in irrigated area. This paper critically examines the theories addressing this situation. An alternative approach is used based on the impact of intensified upland land use on irrigated 'downstream' lands. All theories are empirically tested in a Philippine situation. Two interrelated factors are responsible: uncontrolled deforestation of uplan d areas and resultant destabilization of the hydrological regime, and indigenous irrigation systems that fail to distribute water adequately under altered hydrological conditions.
Deforestation and Declining Irrigation in Southeast Asia: A Philippine Case
Urich, Peter B. (Autor:in)
International Journal of Water Resources Development ; 12 ; 49-64
01.03.1996
16 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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