A spatial decision support system (SDSS) for sustainable tourism planning in Cameron Highlands, Malaysia

The study describes a methodological approach based on an integrated use of Geographic Information System(GIS)and Analytic Network Process (ANP) of Multi Criteria Evaluation (MCE) to determine nature conservation and tourism development priorities among the highland areas. A set of criteria and indicators were defined to evaluate the highlands biodiversity conservation and tourism development. Pair wise comparison technique was used in order to support solution of a decision problem by evaluating possible alternatives from different perspectives. After the weights have been derived from the pairwise comparison technique, the next step was to compute the unweightedsupermatrix, weighted supermatrix and the limit matrix. The limit matrix was normalized to obtain the priorities and the results transferred into GIS environment. Elements evaluated and ranked were represented by criterion maps. Map layers reflecting the opinion of different experts involved weresummed using the weighted overlay approach of GIS. Subsequently sustainable tourism development scenarios were generated.The generation of scenarios highlighted the critical issues of the decision problem because it allows one to gradually narrow down a problem.