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小规模水产养殖生产者之间的差异化特征,可持续性表现和偏好:对可持续水产养殖强化的影响
Eric Brako Dompreh1, Quanli Wang2, Jie Su2
1WorldFish, Jalan Batu Maung, Batu Maung, 11960 Bayan Lepas, Penang Malaysia.
概括
这项研究揭示了孟加拉国四种不同的鱼生产系统,超越了简单的分类. 了解这些差异是有效的可持续水产养殖强化战略的关键.
科学领域:
- 水产养殖和水产资源管理
- 农业经济学 农业经济学
- 可持续发展 可持续发展 可持续发展
背景情况:
- 在亚洲低收入和中等收入国家,内陆水产养殖对蛋白质至关重要.
- 小规模生产商主导着孟加拉国内陆水产养殖,经常使用未经改进的做法.
- 生产者之间的异质性不太清楚,这阻碍了可持续强化生产的有效政策.
研究的目的:
- 探索孟加拉国鱼生产者之间的差异化特征,可持续性表现和偏好.
- 开发一个细微的鱼生产系统类型学.
- 为可持续的强化提供有针对性的干预信息.
主要方法:
- 在54个地区对4540名鱼生产商进行了全面的面对面调查.
- 主要组件分析 (PCA) 和分层集群方法 (HCA) 用于生产系统类型学.
- 评估八个社会经济和环境指标的可持续性表现.
- 选择实验,以引起生产者对改进的鱼物种的偏好.
主要成果:
- 确定孟加拉国四种主要的鱼生产系统类型.
- 在已识别的类型中,生产特征,可持续性表现和物种偏好存在显著差异.
- 对鱼水产养殖部门的细微了解,超越简单的二进制.
结论:
- 该研究提供了孟加拉国鱼生产系统的详细类型.
- 结果挑战了同质性的假设,突出了不同的生产者特征和需求.
- 可以制定明智的,适合目的的干预措施,以实现可持续的水产养殖强化.
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