不同植被类型生态工程治理崩岗灾害效果对比  

EFFECT CONTRAST OF DIFFERENT VEGETATION FORM IN SLUMP GULLY CONTROL BY ECOLOGICAL ENGINEERING

作　　者：刘胡玫 唐倩倩[1] 顾延生[2] 柳侃[3] 吴钟腾[3] 

机构地区：[1]中国地质大学(武汉)环境学院,武汉430074 [2]中国地质大学(武汉),生物地质与环境地质国家重点实验室,武汉430074 [3]国土资源部丘陵山地地质灾害防治重点实验室,福州350002

出　　处：《地质灾害与环境保护》2016年第2期48-52,共5页Journal of Geological Hazards and Environment Preservation

基　　金：福建省科学技术厅重点项目“福建省崩岗侵蚀过程研究”(2014Y0002)资助

摘　　要：生态工程是治理福建省崩岗灾害的关键技术。在总结福建省崩岗生态工程治理模式、关键技术、恢复过程和机理等基础上,以安溪县官桥镇典型崩岗群为研究区,进行了植物为主、工程为辅的生态工程治理措施试验,选取耐瘠耐旱植物及经济植物,设计不同组合模式被覆于实验场地。在此之前,为保证边坡的自然稳定及利于人工作业,对崩岗坡面进行工程改造,使其坡度小于25°。原位测定试验场每日降雨量及各样方每次降雨产沙、产流量。初步监测结果分析表明,花岗岩风化丘陵区崩岗坡面采用马尾松与芒萁联合覆盖模式对于固土和径流拦截具有更显著的效果,该试验结果将为采用不同植被被覆治理崩岗灾害提供科学依据。Ecological engineering is the key technology of slump gully control.After summarizing the pattern,key technology,recovery procedure and mechanism of slump gully control by ecological engineering in Fujian Province,field experiment was conducted based on plant and auxiliary engineering measures in the research area of representative collapsing hill group in Guanqiao Town,Anxi Conty.On the basic of region vegetation investigation,several barren and drought-enduring plants and economic plants were chosen to cover the slope in different vegetation patterns.In order to ensure the stabilization of the slope and to facilitate manual operation,the gradient was engineered to be less than 25°.Soil erosion amount and runoff volume of each plot after every rainfall was monitored as well as daily precipitation.Analysis of preliminary monitoring results indicated that the vegetation cover pattern of Pinus massoniana and Dicranopteris dichotoma showed ideal effects on soil fixationand runoff intercept on the slope of slump gullies developed in highly-weathered granite region,which will provide scientific basis for using different vegetation cover patterns to control slump gully hazard.

关 键 词：福建省 崩岗灾害 生态工程治理 原位修复试验 

分 类 号：P642.21[天文地球—工程地质学] X171.1[天文地球—地质矿产勘探]