一、防护林带的作用和意义: 华南沿海地区台风频临,风害严重,每次台风登陆均给工农业和畜牧业与林业生产,人民生活造成很大损失。如海南及雷州半岛的橡胶园,一次强台风可使百余万至数百万株胶树受害。1972年一场12级以上强台风使琼山、文昌一带开割胶树断倒33％,1971年12级以上强台风使徐闻、海康一带开割橡胶断倒28％,1972年20号,73年14、18号三次强台风使海南东部 First, the role and significance of the shelterbelt: the frequent typhoons in the coastal areas of South China, serious wind damage, each time the typhoon landed all give industrial and agricultural and animal husbandry and forestry production, people’s lives caused great losses. Such as Hainan and Leizhou Peninsula rubber plantations, a strong typhoon can make millions to millions of gum tree victims. In 1972, a strong typhoon above Grade 12 caused a 33% cut in plastic trees in Qiongshan and Wenchang. In 1971, typhoons above Grade 12 caused Xuwen and Haikang to cut rubber by 28% Three typhoons on the 14th and the 18th made the eastern part of Hainan