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Sustainability of agricultural systems in the coastal zone of Bangladesh

机译：孟加拉国沿海地区农业系统的可持续性

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摘要

Transformations of the agricultural systems have been taking place in the coastal zone of Bangladesh. In different settings, farmers have become involved in massive shrimp cultivation, shrimp-rice cultivation, rice-based improved agricultural systems or shrimp-rice-vegetable-integrated systems. The long-term livelihood, food security and adaptation of the coastal people largely depend on the sustainability of these agricultural practices. In this context, assessing the level of sustainability is extremely important. The present study attempts to examine the sustainability of agricultural practices in the coastal zone of Bangladesh. A field study was carried out in five upazilas (counties) in the coastal zone. The data were collected through in-depth questionnaire surveys, focus groups discussions, field observation, key informants and secondary materials. A comprehensive suite of indicators was developed considering productivity, efficiency, stability, durability, compatibility and equity related to the coastal agriculture. The categories and the indicators were aggregated using Multi-Criteria Decision Analysis to measure the sustainability level of five study sites. The integrated agricultural system (shrimp-rice-vegetables) of Dumuria appeared to be the most sustainable system among agricultural practices, and other integrated systems (rice-based) of Kalaroa were also found to show a good level of sustainability. The massive shrimp cultivation system of Shyamnagar and Kaliganj appears to be the least sustainable. A traditional agriculture system with some improved methods followed in Bhola Sadar also performed in a satisfactory manner. Measuring agricultural sustainability in this way produces a useful summary of sustainability issues. The information generated from the study may be used in formulating policies for this part of the country. The holistic and interdisciplinary approach employed here has the potential to a useful framework for sustainability assessment.
机译：农业系统的变革已经在孟加拉国沿海地区发生。在不同的环境中，农民参与了大规模的虾类养殖，虾米种植，以水稻为基础的改良农业系统或虾米-蔬菜综合系统。沿海人民的长期生计，粮食安全和适应在很大程度上取决于这些农业做法的可持续性。在这种情况下，评估可持续性水平非常重要。本研究试图检验孟加拉国沿海地区农业实践的可持续性。在沿海地区的五个upazilas（县）进行了实地研究。通过深入的问卷调查，焦点小组讨论，现场观察，关键信息提供者和辅助材料收集了数据。制定了一套综合指标，考虑了与沿海农业有关的生产力，效率，稳定性，耐用性，相容性和公平性。使用多标准决策分析来汇总类别和指标，以衡量五个研究地点的可持续性水平。 Dumuria的综合农业系统（虾米蔬菜）似乎是农业实践中最可持续的系统，卡拉鲁阿的其他综合系统（基于水稻）也显示出良好的可持续性。 Shyamnagar和Kaliganj的大规模对虾养殖系统似乎是最不可持续的。博拉·萨达尔（Bhola Sadar）遵循的传统农业系统及其改进方法也表现令人满意。以这种方式衡量农业的可持续性可以得出有关可持续性问题的有用总结。研究产生的信息可用于制定该国该地区的政策。此处采用的整体性和跨学科方法具有建立可持续性评估有用框架的潜力。

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