Land cover and land use change related to shrimp farming in coastal areas of Quang Ninh, Vietnam using remotely sensed data

Bui, Thuyet D., Maier, Stefan W. and Austin, Chris M. 2014, Land cover and land use change related to shrimp farming in coastal areas of Quang Ninh, Vietnam using remotely sensed data, Environmental earth sciences, vol. 72, no. 2, pp. 441-455, doi: 10.1007/s12665-013-2964-0.

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Title Land cover and land use change related to shrimp farming in coastal areas of Quang Ninh, Vietnam using remotely sensed data
Author(s) Bui, Thuyet D.
Maier, Stefan W.
Austin, Chris M.ORCID iD for Austin, Chris M.
Journal name Environmental earth sciences
Volume number 72
Issue number 2
Start page 441
End page 455
Total pages 15
Publisher Springer
Place of publication Berlin, Germany
Publication date 2014-07
ISSN 1866-6280
Keyword(s) Science & Technology
Life Sciences & Biomedicine
Physical Sciences
Environmental Sciences
Geosciences, Multidisciplinary
Water Resources
Environmental Sciences & Ecology
Shrimp farm
Land cover
Land use
Landsat ETM
Summary Rapid development of shrimp farming may lead to unrecognized and undesirable changes of land cover/land use patterns in coastal areas. Of special concern is the loss of mangrove forest in coastal areas such as Quang Ninh, Vietnam, which is adjacent to the World Heritage-listed Ha Long Bay. Understanding the status and changes of land cover/land use for coastal shrimp farms and mangrove forests can support environmental protection and decision-making for sustainable development in coastal areas. Within this context, this paper uses the 1999/2001 Landsat ETM+ and the 2008 ALOS AVNIR-2 imagery to investigate the contraction and expansion of shrimp farms and mangrove forests in coastal areas of Ha Long and Mong Cai, which now have a high concentration of intensive and semi-intensive shrimp farms. Images were separately analyzed and classified before using post-classification comparisons to detect land cover/land use changes in the study area. The results of this study found that the area of mangrove forest has been reduced by an estimated 927.5 ha in Ha Long and 1,144.4 ha in Mong Cai, while shrimp farming areas increased by an estimated 1,195.9 and 1,702.5 ha, respectively, over the same period. The majority of shrimp farms in Mong Cai were established at the expense of mangrove forest (49.4 %) while shrimp farms in Ha Long were mainly constructed on areas previously occupied by bare ground (46.5 %) and a significant proportion also replaced mangroves (23.9 %). The remarkable rate of mangrove loss and shrimp farming expansion detected in this study, over a relatively short time scale indicate that greater awareness of environmental impacts of shrimp farm expansion is required if this industry is to be sustainable, the important estuarine and coastal marine ecosystems are to be protected over the long term, and the capturing and storing of carbon in mangrove systems are to be enhanced for global climate change mitigation and for use as carbon offsets.
Language eng
DOI 10.1007/s12665-013-2964-0
Field of Research 070401 Aquaculture
050104 Landscape Ecology
Socio Economic Objective 970105 Expanding Knowledge in the Environmental Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2013, Springer-Verlag Berlin Heidelberg
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