Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Impact Assessment of Organizing Farmers in the Gal Oya Left Bank Irrigation Scheme, Sri Lanka
The nature and intensity of institutional interventions at the secondary unit level in the rehabilitation of the Gal Oya Left Bank irrigation system were different. The focus of this paper is to examine the impacts of these different interventions on the performance of secondary units using a time-series impact assessment model. The impact assessment model appears to be able to describe with some precision the trends in the system as a whole, as well as distinguish between different impacts in different units. The results of the analysis demonstrate that areas that were intensively organized showed the greatest capacity to adopt improved management techniques quickly. However, these well-organized areas also happened to be more favoured before rehabilitation and have realized least satisfactory overall benefits. Tail-end areas, even though they were less intensively organized, showed the best overall performance in terms of water use, production and water productivity. But they took longer to respond fully to improved water delivery conditions.
Impact Assessment of Organizing Farmers in the Gal Oya Left Bank Irrigation Scheme, Sri Lanka
The nature and intensity of institutional interventions at the secondary unit level in the rehabilitation of the Gal Oya Left Bank irrigation system were different. The focus of this paper is to examine the impacts of these different interventions on the performance of secondary units using a time-series impact assessment model. The impact assessment model appears to be able to describe with some precision the trends in the system as a whole, as well as distinguish between different impacts in different units. The results of the analysis demonstrate that areas that were intensively organized showed the greatest capacity to adopt improved management techniques quickly. However, these well-organized areas also happened to be more favoured before rehabilitation and have realized least satisfactory overall benefits. Tail-end areas, even though they were less intensively organized, showed the best overall performance in terms of water use, production and water productivity. But they took longer to respond fully to improved water delivery conditions.
Impact Assessment of Organizing Farmers in the Gal Oya Left Bank Irrigation Scheme, Sri Lanka
Murray-Rust, Hammond (Autor:in) / Sakthivadivel, R. (Autor:in) / Amarasinghe, Upali A. (Autor:in)
International Journal of Water Resources Development ; 15 ; 197-217
01.03.1999
21 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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