Resource Details

Using Melaleuca fences as soft coastal engineering for mangrove restoration in Kien Giang, Vietnam

Literature: Journal Articles

Cuong, C.V., Brown, S., To, H.H., and M. Hockings. 2015. Using Melaleuca fences as soft coastal engineering for mangrove restoration in Kien Giang, Vietnam. Ecological Engineering 81: 256-265.

Contact Info

Corresponding Author:  C. Van Cuong, v.chu1@uq.edu.au

Affiliations

  • School of Geography, Planning and Environmental Management, University of Queensland, St. Lucia, Australia

  • GIZ Kien Giang Biosphere Reserve Project, Kien Giang, Vietnam

Link(s)

Ecological Engineering; http://www.sciencedirect.com/science/article/pii/S092585741500141X

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Species Info

  • Melaleuca cajuputi
  • Avicenna alba
  • Rhizophora apiculata

Description

  • This study examines the installation of two fence designs (both made from Melaleuca poles) along coastal fringe mangroves to attenuate wave action and promote accretion of sediments in Southwest coastal Vietnam.
  • Installing “wave barrier fences” and “silt-trapping fences” resulted in the accumulation of 44 and 42 cm of soil over 3 years, respectively, which was significantly different from the 0.3 cm accumulation of soil at the unfenced control site.
  • Heavy soil accumulation occurred during the wet season at both of the fenced sites as well as the unfenced control site; however, all accumulation at the unfenced site was washed away during the last month of the wet season.
  • Planted Avicennia alba seedlings had substantially higher survival rates (44% and 62%) than planted Rhizophora apiculata seedlings (14% and 35%) behind the wave-barrier and silt-trap fences.
  • Natural regeneration of Avicennia alba seedlings began 1.5 years after fence installation for both fence types, but was substantially higher behind the silt-trap fence design (reaching densities of 7,100 trees/ha) than the wave-barrier fence (2,400 trees/ha).

Geographical Region

  • Mainland Southeast Asia
  • Ecosystems

  • Mangrove
  • Country

  • Vietnam
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