深圳市浴场用海定级研究

Research on grading of bathing beaches in Shenzhen

海域分等定级是制定海域使用金征收标准和开展海域资产价格评估的前提和依据。借鉴《海域定级技术指引(试行)》,遵循资源禀赋差异、收益差异、节约利用和生态用海的原则选取海域自然条件和海域区位条件2个定级因素及海水质量、海洋自然灾害等10个评价因子,构建深圳市浴场用海定级的评价指标体系。采用综合指数评价法计算出207个评价单元的得分情况,通过聚类分析方法和变异系数(CV)来校核级别,最终将浴场用海的海域划分为Ⅰ级(22.22%)、Ⅱ级(33.82%)和Ⅲ级(43.96%)3个级别。研究成果为海洋管理部门制定浴场用海不同级别的基准价格提供了依据。

The classification and grading of sea area is the making collecting standard for the sea area using charge,and it is also the premise and basis for carrying out the appraisal of sea area asset price.Based on the technical guidelines for sea area grading(Trial implementation)and following the principles of resource endowment difference,income difference,economical utilization and ecological sea use,we selected two grading factors of sea natural conditions and sea area location conditions,and 10 assessment factors,such as seawater quality,marine natural disasters,et al.,and then established the index quality assessment system of Shenzhen bathing beaches grading.Using the comprehensive index assessment method,we could get the scores of 207 assessment units,and use cluster analysis method and coefficient of variation(CV)to check the level.Finally,the bathing beaches are divided into three levels:level-Ⅰ(22.22%),level-Ⅱ(33.82%)and level-Ⅲ(43.96%).The research results provide a basis to evaluate the reference price of different levels bathing beaches for the marine management department in Shenzhen.