作　　者： ; ; ; (王建军）;

机构地区： 北京林业大学水土保持学院

出　　处： 《长江科学院院报》 2013年第6期17-20,共4页

摘　　要： 为了研究现浇网格生态护坡技术在边坡治理中的适应性和效果,系统地介绍了该技术体系,并以北京延庆试验区为例,对网格内植物的生长情况和土壤的理化性质进行了调查分析。结果表明:完工4 a后,试验小区金叶莸的成活率达到94.3%,金叶莸新生枝叶繁茂,每株枝条平均生物量可达到29.3 g,平均株高为33.07 cm,平均覆盖度为533 cm2;与空白对照小区比较,网格内土壤中机质增加了28.11 g/kg,全氮增加了0.72 g/kg,速效磷增加了11.25mg/kg,速效钾增加了33.74 mg/kg,pH下降了0.71。在经济成本方面,该技术的后期养护时间为1～2 a,时间短,投入少,节约成本。试验区适用研究成果表明现浇网格生态护坡技术的水土保持、植被恢复效果良好,易于在各类边坡生态防护中推广应用。 The technique of slope protection by cast-in-situ grids with vegetation is a new method of ecological slope protection. In order to research the adaptability and effect of this method in side slope protection, we took Yanqing test area as an example to investigate the growth of vegetation and the physical and chemical properties of soil in the cast-in-situ grids. Results showed that 4 years after the grids construction, the survival rate of Caryopteris clan-donensis reached 94.3 %. The newborn branch and foliage flourished with the average biomass of each branch reac-hing 29.3g, the average height 33.07cm and the average coverage 533cm^2. Compared with blank plot, the organic matter, total N, available P, and available K of the soil in the grids increased 28.11 g/kg, 0.72 g/kg, 11.25 mg/kg, 33.74mg/kg, respectively, while pH decreased by 0.71. Moreover, this technique is time-saving and cost-saving with a post-maintenance time of 1-2 years. The research demonstrates that cast-in-situ grids has good performance in soil conservation and vegetation restoration, and is convenient to be applied in slope protection.

关 键 词： 生态护坡 现浇网格 生态效益

领　　域： [交通运输工程] [交通运输工程]