Impacts of aquaculture practices on the sustainability of social-ecological systems in coastal zones of the Mekong Delta

IF 4.8 2区环境科学与生态学 Q1 OCEANOGRAPHY

Ocean & Coastal Management Pub Date : 2024-10-04 DOI:10.1016/j.ocecoaman.2024.107392

Hieu Hong Hua , Emilie Cremin , Da Van Huynh , Graham Long , Fabrice G. Renaud

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引用次数: 0

Abstract

Coastal and deltaic regions face increasing natural and human-induced hazards, such as cyclones, storm surges, erosion, and saline intrusion, exacerbated by climate change. In tropical zones, mangrove ecosystems provide vital protection against these threats, yet the conversion of mangroves to shrimp aquaculture undermines these benefits, even in protected areas.

The Mekong Delta in Vietnam, historically rich in biodiversity and diverse habitats like mangroves and mudflats, has seen local communities thrive. However, rising global market demands have led to more intensive aquaculture models, posing new risks.

This research examines the impact of shrimp farming models, from extensive to hyper-intensive, under multiple natural hazards and transformative processes like land conversion and mangrove restoration. Using risk assessment tools and data from local community interviews and focus groups, we present a model showcasing the influence of aquaculture on socio-ecological systems.

Key findings reveal the interplay between livelihoods and landscape conversion, highlighting the risks and benefits of various shrimp farming models. The study stresses the need for stakeholder collaboration and improved wastewater treatment to enhance sustainability and environmental health in the Mekong Delta.

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水产养殖对湄公河三角洲沿海地区社会生态系统可持续性的影响

沿海和三角洲地区面临着越来越多的自然和人为灾害，如龙卷风、风暴潮、侵蚀和盐水入侵，气候变化又加剧了这些灾害。在热带地区，红树林生态系统为抵御这些威胁提供了重要保护，然而，将红树林转为对虾养殖却破坏了这些益处，即使在保护区也是如此。越南的湄公河三角洲历来拥有丰富的生物多样性以及红树林和滩涂等多样的栖息地，当地社区也因此蓬勃发展。这项研究探讨了在多种自然灾害和转型过程（如土地转换和红树林恢复）下，从粗放型到超集约型对虾养殖模式的影响。利用风险评估工具以及当地社区访谈和焦点小组的数据，我们提出了一个模型，展示了水产养殖对社会生态系统的影响。主要发现揭示了生计与景观转换之间的相互作用，突出了各种对虾养殖模式的风险和收益。研究强调了利益相关者合作和改善废水处理的必要性，以提高湄公河三角洲的可持续性和环境健康。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Ocean & Coastal Management 环境科学-海洋学

CiteScore

8.50

自引率

15.20%

发文量

321

审稿时长

60 days

期刊介绍： Ocean & Coastal Management is the leading international journal dedicated to the study of all aspects of ocean and coastal management from the global to local levels. We publish rigorously peer-reviewed manuscripts from all disciplines, and inter-/trans-disciplinary and co-designed research, but all submissions must make clear the relevance to management and/or governance issues relevant to the sustainable development and conservation of oceans and coasts. Comparative studies (from sub-national to trans-national cases, and other management / policy arenas) are encouraged, as are studies that critically assess current management practices and governance approaches. Submissions involving robust analysis, development of theory, and improvement of management practice are especially welcome.