滇池流域防护林体系建设对环境的保护作用  

Protection of shelter Belt in Dianchi Lake Catchment to Environment

作　　者：刘江[1] 黎阳明[1] 

机构地区：[1]云南省环境监测中心站,云南昆明650034

出　　处：《云南环境科学》2000年第4期30-32,共3页Yunnan Environmental Science

摘　　要：滇池防护林体系计划于 2 0 10年在 14 873万公顷林业用地内建成 ,按推算可使全流域土壤侵蚀量减少 2 0 75% ,固土能力增加 75 14% ,入湖泥沙减少 4 8 72 % ,入湖总磷、总氮减少 4 8 72 % ,并能使全流域防护林含水总量达到 184 4 3The shelter Belt in Dianchi Lake catchment is planned to be built onforestry land covering 148.73 thousand hectares by 2010. The project will increase the capability of fastening soil by 75.14% and decrease the soil erosion by 20.75%,the in-lake sand by 48.72%,and the in-lake total phosphorous and total nitrogen by 48.72%. The total water contained by the shelter belt in the catchment will reach 184.438 million tons.

关 键 词：防护林 生态建设 滇池 

分 类 号：X171.4[环境科学与工程—环境科学] S727.2[农业科学—林木遗传育种]