Ứng dụng AHP kết hợp TOPSIS lựa chọn phương án khai thác sử dụng không gian biển phù hợp trên địa bàn huyện Côn Đảo, tỉnh Bà Rịa - Vũng Tàu

Exploiting and using marine space towards the goal of sustainable development in Con Dao district.This study applies AHP weights combined with the TOPSIS integrated decision-making technique to rank the order of evaluation options to support the selection of the most suitable option.Data is collected from expert opinions (expert opinions on the importance of criteria and suitability of options in the orientation of exploitation and use of marine space) and documents classified into three categories (environmental protection, economic development, and social community).Based on the AHP calculation results, a set of weights for level 1 and level 2 criteria were identified with high reliability (CR consistency coefficient less than 0.1).From the calculated weight value, the results of the AHP-TOPSIS integrated model have selected option 2, which closely integrates port development with environmental protection management to ensure sustainable development, and combines it with the requirements of security and national defense.Linking tourist growth to community development, offering job opportunities for locals, and promoting awareness about natural resource protection.According to the chosen plan, Con Dao is divided into five development zones, which meet the sustainable development standards: (1) Tourism development zones and environment reserves; (2) Tourism development zones; (3) Marine space areas for conservation and scientific study; (4) Transportation and port service areas; (5) Fishing Port Development Zone and Typhoon Shelter Anchorage.