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Mangrove forests and aquaculture in the Mekong river delta

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  • Truong, Thuy Dang
  • Do, Luat Huu

Abstract

The mangrove area in Viet Nam is dramatically decreasing in the last decades. Since 1995, mangrove forests in south Viet Nam are allotted and contracted to households for protection, management and logging. Under this policy, households are allowed to convert 20–40% of the allotted forests into other uses, mainly shrimp farming. Most households develop mixed shrimp-mangrove farming systems, in which shrimp ponds are mixed with mangrove forest. With the poor enforcement of the forest assignment policy, however, the mangrove forest is over-extracted as farmers are converting more than the allowed level for larger water surface areas for shrimp farming and higher returns. In this study, we examine the impacts of mangrove coverage of mixed mangrove-shrimp ponds using the production and profit functions. Our analyses show that mangrove density has no impacts on shrimp farming. However, mangrove coverage affects productivity and profit of shrimp farming. The optimal mangrove coverage for shrimp farming is found to be approximately 60%. This implies that maintaining the level of mangrove coverage of 60% does not only to comply with the policy, but also bring about the highest level of output and profit for shrimp farmers.

Suggested Citation

  • Truong, Thuy Dang & Do, Luat Huu, 2018. "Mangrove forests and aquaculture in the Mekong river delta," Land Use Policy, Elsevier, vol. 73(C), pages 20-28.
  • Handle: RePEc:eee:lauspo:v:73:y:2018:i:c:p:20-28
    DOI: 10.1016/j.landusepol.2018.01.029
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    References listed on IDEAS

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    Cited by:

    1. Ngo Thanh Mai & Tran Thi Lan Huong & Tran Tho Dat & Dinh Duc Truong, 2023. "An Empirical Study of Financial Efficiency and Stability of Shrimp–Mangrove Farming Model in Nam Dinh Province, Red River Delta, Vietnam," Sustainability, MDPI, vol. 15(7), pages 1-17, March.
    2. Pham Hong Tinh & Richard A. MacKenzie & Tran Dang Hung & Nguyen Thi Hong Hanh & Nguyen Hoang Hanh & Do Quy Manh & Hoang Thi Ha & Mai Sy Tuan, 2022. "Distribution and drivers of Vietnam mangrove deforestation from 1995 to 2019," Mitigation and Adaptation Strategies for Global Change, Springer, vol. 27(4), pages 1-18, April.
    3. Do, Huu-Luat & Dang Thuy, Truong, 2022. "Productivity response and production risk: A study of mangrove forest effects in aquaculture in the Mekong River Delta," Ecological Economics, Elsevier, vol. 194(C).
    4. Thuy, Truong Dang & Tuan, Vo Quoc & Nam, Pham Khanh, 2021. "Does the devolution of forest management help conserve mangrove in the Mekong Delta of Viet Nam?," Land Use Policy, Elsevier, vol. 106(C).
    5. Rachmat Mulia & Duong Dinh Nguyen & Mai Phuong Nguyen & Peter Steward & Van Thanh Pham & Hoang Anh Le & Todd Rosenstock & Elisabeth Simelton, 2020. "Enhancing Vietnam’s Nationally Determined Contribution with Mitigation Targets for Agroforestry: A Technical and Economic Estimate," Land, MDPI, vol. 9(12), pages 1-24, December.
    6. Thi Trang Nhung NGUYEN & Huu Cuong TRAN & Thi Minh Hop HO & Philippe BURNY & Philippe LEBAILLY, 2019. "Dynamics of Farming Systems under the Context of Coastal Zone Development: The Case of Xuan Thuy National Park, Vietnam," Agriculture, MDPI, vol. 9(7), pages 1-19, July.
    7. S. Rajakumari & P. Rajaram, 2021. "Sustainability assessment for coexistence of afforested mangroves and aquafarms upon existing and predicted scenarios: a case study in Southern Tamil Nadu coast," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 23(4), pages 4751-4763, April.

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