Publication: Incidental impacts from major road construction on one of Asia's most important wetlands: The Inner Gulf of Thailand
Issued Date
2016-01-01
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10382097
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2-s2.0-84963818112
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Mahidol University
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SCOPUS
Bibliographic Citation
Pacific Conservation Biology. Vol.22, No.1 (2016), 29-36
Suggested Citation
Naruemon Tantipisanuh, George A. Gale, Philip D. Round Incidental impacts from major road construction on one of Asia's most important wetlands: The Inner Gulf of Thailand. Pacific Conservation Biology. Vol.22, No.1 (2016), 29-36. doi:10.1071/PC15028 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/40655
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Title
Incidental impacts from major road construction on one of Asia's most important wetlands: The Inner Gulf of Thailand
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Abstract
© CSIRO 2016. Large-scale infrastructure development projects can have devastating impacts upon biodiversity. We investigated the impacts of roads on land-use change in a coastal area of South-east Asia, an area of high biodiversity subject to intense human pressure. The objectives of this study were (1) to examine impacts of major roads on rates of land-use change and habitat conversion in and around the Inner Gulf of Thailand, a large wetland of international importance; and (2) to evaluate the conversion rate of salt-pans (a critical habitat for several species of threatened shorebirds) between 1990 and 2011. Nine land-use types were categorised into two groups: seminatural and human-dominated. Proportions of each land-use type at different distances from major roads were determined using GIS data. More than 40% of the area was used for aquaculture during the entire study period. The amount of seminatural habitats was positively correlated with distance from major roads. Agriculture and urban areas showed the greatest changes in area (decreasing and increasing, respectively). Habitats that changed from seminatural to human-dominated were negatively correlated with distance from major roads. Most of the converted salt-pans were lost to aquaculture. To protect important wetlands from further biodiversity loss: (1) new major road construction should be avoided or minimised; and (2) land-use strategies that both satisfy short-term human needs and maintain ecosystem capacity to provide services in the long term should be adopted. Journal compilation