Assessment of exploitation carrying capacity of Jiangsu coastline based on marine functional zone

Marine functional zone is an important basis for marine spatial exploitation.In this study, the exploitation intensity of the marine functional zone adjacent to the coastline and the artificial index of the coastline are established based on types of marine functional zone and artificial types of the coastline.Then the carrying capacity of each coastline is evaluated according to the classification model and index.The results show that, among the 13 evaluation units of Jiangsu province, the exploitation carrying capacity index of Haimen city, Lianyungang city area and Tongzhou city is high, which belong to over load region.It is between 0.9 and 1.1 in Haian county, Qidong county, Xiangshui county, which belong to the critical load region, It is less than 0.9 in the other seven evaluation units, which belong to the suitable exploitation region.The evaluation methods based on marine functional zone can objectively reveal the capacity of coastline.