Bài viết tập trung hơn vào sự phân bố giá trị từng loại hình dịch vụ hệ sinh thái dọc ven biển Sơn Trà – Cửa Đại, nhằm đánh giá sự khác biệt trong định hướng quy hoạch và phát triển vùng đụn cát ven biển Quảng Nam và Đà Nẵng. | VNU Journal of Science Earth and Environmental Sciences Vol. 36 No. 3 2020 81-92 Original Article Assessments of Sand Dune Ecosystem Service Potential from Son Tra Da Nang to Tam Ky Quang Nam Dang Kinh Bac Dang Van Bao Dang Thi Thanh Hang Ngo Chi Cuong VNU University of Science 334 Nguyen Trai Hanoi Vietnam Received 05 June 2020 Revised 17 August 2020 Accepted 28 August 2020 Abstract The coastal area in the Son Tra Tam Ky region have various kinds of sand dunes 1 embryo dunes 2 foredunes 3 yellow dunes 4 gray dunes 5 white dunes 6 brown dunes. These sand dunes play an important role in maintaining biodiversity minimizing the damage of natural hazards and tourism development. In last decade the sand dunes in Son Tra Da Nang - Tam Ky Quang Nam is strongly influenced by urbanization and tourism development. Different resorts have been built along the beaches narrowing protective forests on the sand dunes. It does not only reduce the value of cultural ecosystem services but also the ability to regulate natural disasters and air pollution. Therefore the study aims to assess the unbalance in sand dune ecosystems service supply in Son Tra - Tam Ky area. Methods used in the study include remote sensing and GIS collecting statistics and specialist interviews. The results showed a clear differentiation in the potential of the ecosystem services in different sand dune types. Lastly the study analyzed the values of sand dune ecosystem services in Son Tra - Cua Dai part to assess differences in planning and development policies between the coastal zones of Quang Nam and Da Nang. Keywords Ecosystem service matrix embryo dune foredune expert judgment land use cover. ____ Corresponding author. E-mail address dangkinhbac@ https 2588-1094 81 82 . Bac et al. VNU Journal of Science Earth and Environmental Sciences Vol. 36 No. 3 2020 81-92 Đánh giá tiềm năng cung cấp dịch vụ hệ sinh thái đụn cát ven biển khu vực Sơn Trà Đà Nẵng - Tam Kỳ .