Impact assessment of rapid development on land use changes in coastal areas; case of Kuala Langat district, Malaysia
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The first large urban conurbation in Malaysia stretching from the central mountain spine to the west coast has expanded all rounds to emerge as a potential mega-urban region. It covers the area from the Bernam River basin in south Perak to the Linggi River basin in Negri Sembilan. The analysis of the land use change patterns and the prediction of future changes can highlight the problems of continuing current pattern of growth. Kuala Langat as the case study is located in the strategic area, because this area is identified as a Klang Valley II. The district has been experiencing rapid development, influence by some fast growing new centers like Kuala Lumpur International Airport, Klang Valley, Cyberjaya, Putrajaya and Kuala Lumpur mega-urban region. These have caused degradations of the natural habitats located in this area such as forests, peat swamp, mangroves and wetlands and land use changes from forest and agriculture to development areas. Also some sensitive area such as reclaimed lands, geo-disaster area, flash flood prone areas, dumping grounds and high erosion area need urgent sustainable plan for future development. Also, coastal lands are being developed very fast through establishments of residential, industrial and commercial centers. The analysis of land use changes have led to a better understanding in exploring suitable growth pattern for future development. The land use map obtained from Department of Agriculture for the year 1974 and 1981 and data of Landsat TM for the years of 1988, 1991, 1996 and 2010 obtained from the Malaysian Center for Remote Sensing were analyzed using GIS. From the investigation of land use changes detection over 35 years, the current unsustainable pattern of growth was highlighted. This emphasizes the urgent need for a sustainable development plan.
KeywordsCoastal land use planning Change detection analysis Remote sensing GIS
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