摘要：This study takes four main types of marine development in Jiangsu Province as an example. Discussion on a more reasonable, more objective and effective evaluation system of marine use efficiency. A more reasonable, objective and perfect marine benefit evaluation system is discussed. The social and economic benefits, the value of ecosystem services, the value of the loss of ecosystem and the value of ecological benefits are included in the evaluation of the total benefit of the calculated unit area. According to social benefit, economic benefit, resource benefit and environment benefit, the comprehensive benefit index system is constructed. On this basis, comprehensive index method and grey correlation method are adopted to evaluate the comprehensive benefits of different marine development types.
关键词：Marine development type;comprehensive benefit evaluation;comprehensive index;grey correlation
