Sea Reclamation Planning Based on Suitability Analysis: An Example of Hainan Island under the Ecological Red Line

Abstract

Economic development has led to increased and expanded sea use in Hainan Province, as well as increased development and utilization of coastal and island resources. Marine reclamation land has become one of the most effective ways to solve the problem of human-land conflict and space shortage. However, without scientific planning and guidance, marine reclamation land activities can have a profound impact on marine resources and the environment. Therefore, in this study, we investigated the feasibility of sea reclamation on Hainan Island through a suitability analysis method, and optimized the design of the results based on the ecological red line plan. The results revealed that about 26.94% of the sea around Hainan Island was suitable for reclamation.