Tidal river management for sustainable agriculture in the Ganges-Brahmaputra delta: Implication for land use policy |
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| Affiliation: | 2. Institute of Water and Flood Management, Bangladesh University of Engineering and Technology, Dhaka, Bangladesh;1. School of Natural and Built Environment, Queen''s University Belfast, Belfast BT7 1NN, Northern Ireland, UK;2. Department of Earth and Environmental Sciences, Geology Division, University of Leuven, Celestijnenlaan 200E, 3001 Leuven-Heverlee, Belgium;3. Geological Survey of Northern Ireland, Dundonald House, Upper Newtownards Road, Belfast BT4 3SB, Northern Ireland, UK |
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| Abstract: | The tidal river management (TRM) approach is an indigenous management practice in the Southwest part of the Ganges-Brahmaputra delta in Bangladesh. This approach has a high potential for extending area under agriculture with a positive impact on sustainable production and consequently on sustainable land use planning. Until recently, no studies provide a quantitative assessment on agricultural benefits of TRM operation. In this study, we aim to assess the benefits of TRM operation by using innovative approaches such as comparing land use change, agricultural production and economic cost-benefit analysis for two scenarios (with and without TRM) in the Hari-Teka-Bhadra catchment. We found that the financial benefit of TRM operation was 85.5 million US dollar per year from the agriculture sector. The results are useful for promoting land use policy through TRM approach in achieving greater sustainability in the area. |
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| Keywords: | Tidal river management Land use change Agricultural benefits Crop yield Waterlogging Ganges-Brahmaputra delta |
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