舟山地区由1,339个岛屿组成,海岸线长达2,300多公里,涂地面积有26万亩,迄今尚有半数涂地未被利用。由于滨海常年多大风,严重威胁已垦殖涂地农作物、果木和养殖业生产,因而,营造海涂防护林成为保障农业生产,改善海岛生态环境的当务之急。鉴于涂地含盐量高、碱性重、结构差、地下水位 The Zhoushan area consists of 1,339 islands, with a coastline of more than 2,300 kilometers and a land area of ​​260,000 mu. Up to now, half of the land has not been utilized. Because of the windy seashore year-round, a serious threat to the reclamation of crops, fruit trees and aquaculture production, and therefore, to create a coastal protective shelter to protect agricultural production, to improve the island’s ecological environment of the top priority. In view of coated salt with high salinity, alkaline weight, poor structure, groundwater level