海门沿海防护林体系工程建设技术研究

Studies on the technology of the coastal shelterbelt development program in Haimeng

通过对海门市沿海防护林体系的总体布局、建设形式、林带断面结构、复合农田林网、苗木良种繁育、滩涂开发等６个方面的研究与推广，完成了“以江海河堤林带为骨架、农田林网为主体、成片林为基地、四旁树木相配套”的带、片、网、点相结合的沿海防护林体系工程建设，使全市绿化覆盖率达到１１．８％，农田林网控制率达到７８．９％，村庄内绿化覆盖率达４９．３％。因有沿海防护林体系保护，棉花年增产１９％，水稻年增产１２．９％，“三麦”增产８％，玉米增产６％，年净增产值２３６９万元。

By Studing and spreading of the layout,form,shelterbelt section structure,agroforestry shelterbelt net,stock breeding,beach developing et al.,the coastal shelterbelt development program in Haimeng is finished that is composed of the forest belt on the dike of the Yangtze River,the sea and rivers,agroforestry shelterbelt net,vast stand and trees beside houses,pathes,pooles and countries.The forest coverage in the city reaches 11 8%,the farm shelterbelt net coverage reaches 78 9% and the forest coverage in the countries reaches 49 3% Under the protection of the coastal shelterbelt development,the cotton output increased by 19%,the rice output increased by 12 9%,the wheats output increased by 8% and the output of corn increased by 6%.The value of output increased 23 69 million yuans annual. Author’s address Haimeng City Forestry and Fruit Technology Guide Station,Jiangsu 226100 PRC