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Sustainable irrigation management in paddy rice agriculture: A comparative case study of Karangasem Indonesia and Kunisaki Japan
- Irrigated paddy rice agriculture accounts for a major share of Asia Pacific’s total water withdrawal. Furthermore, climate change induced water scarcity in the Asia-Pacific region is projected to intensify in the near future. Therefore, methods to reduce water consumption through efficiency measures are needed to ensure the long-term (water) sustainability. The irrigation systems, subak of Karangasem, Indonesia, and the tameike of Kunisaki, Japan, are two examples of sustainable paddy rice irrigation. This research, through interviews and an extensive survey, comparatively assessed the socio-environmental sustainability of the two irrigation management systems with special reference to the intensity and nature of social capital, equity of water distribution, water demand, water footprint, and water quality, etc. The prevailing social capital paradigm of each system was also compared to its overall managerial outcomes to analyze how cooperative action contributes to sustainable irrigation management. Both systems show a comparable degree of sustainable irrigation management, ensuring an equitable use of water, and maintain relatively fair water quality due to the land-use practices adapted. However, the systems differ in water demand and water efficiency principally because of the differences in the irrigation management strategies: human and structural. These findings could help devise mechanisms for transitioning to sustainable irrigation management in the commercially-oriented paddy rice agricultural systems across the Asia-Pacific region.
Verfasserangaben: | Matthew Scott Jansing, Faezeh Mahichi, Ranahansa Dasanayake |
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URN: | urn:nbn:de:hbz:tr5-1269 |
DOI: | https://doi.org/10.3390/su12031180 |
Titel des übergeordneten Werkes (Englisch): | Sustainability |
Verlag: | MDPI |
Dokumentart: | Wissenschaftlicher Artikel (Fachzeitschriften) |
Sprache: | Englisch |
Datum des OPUS-Uploads: | 07.09.2022 |
Jahr der Erstveröffentlichung: | 2020 |
Veröffentlichende Hochschule: | Hochschule Trier |
Datum der Freischaltung: | 07.09.2022 |
Freies Schlagwort / Tag: | GIAHS; irrigation efficiency; social capital; sustainable irrigated agriculture; sustainable water resource management; traditional agriculture; water footprint |
GND-Schlagwort: | Bewässerungswirtschaft; Soziales Kapital; Konventionelle Landwirtschaft; Indonesien; Japan |
Jahrgang: | 12 |
Ausgabe / Heft: | 3 |
Seitenzahl: | 16 |
Erste Seite: | 1 |
Letzte Seite: | 16 |
Einrichtungen: | Institute / IfaS - Institut für angewandtes Stoffstrommanagement |
DDC-Klassifikation: | 3 Sozialwissenschaften / 33 Wirtschaft |
Lizenz (Deutsch): | Creative Commons - CC BY - Namensnennung 4.0 International |