Simulated Impacts of Climate Change on Current Farming Locations of Striped Catfish (Pangasianodon hypophthalmus; Sauvage) in the Mekong Delta, Vietnam

L.A. Nguyen, V.H. Dang, R.H. Bosma, J.A.J. Verreth, R. Leemans, S.S. De Silva

Research output: Contribution to journalArticleAcademicpeer-review

19 Citations (Scopus)

Abstract

In Vietnam, culturing striped catfish makes an important contribution to the Mekong Delta's economy. Water level rise during rainy season and salt intrusion during dry season affect the water exchange and quality for this culture. Sea level rise as a consequence of climate change will worsen these influences. In this study, water level rise and salt water intrusion for three sea level rise (SLR) scenarios (i.e., +30, +50, and +75 cm) were simulated. The results showed that at SLR +50, the 3-m-flood level would spread downstream and threaten farms located in AnGiang, DongThap and CanTho provinces. Rising salinity levels for SLR +75 would reduce the window appropriate for the culture in SocTrang and BenTre provinces, and in TienGiang's coastal districts. Next to increasing dikes to reduce the impacts, the most tenable and least disruptive option to the farming community would be to shift to a salinity tolerant strain of catfish.
Original languageEnglish
Pages (from-to)1059-1068
JournalAmbio
Volume43
Issue number8
DOIs
Publication statusPublished - 2014

Keywords

  • sea-level rise
  • salinity tolerance
  • river-delta
  • water
  • dams
  • dispersal
  • intrusion

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