张承高速公路施工场地生态恢复条件评价  

Evaluation on Ecological Restoration of Zhangjiakou-Chengde Expressway Construction Site

作　　者：杨丙龙 

机构地区：[1]张承高速公路张家口管理处,河北张家口075000

出　　处：《路基工程》2011年第3期202-204,共3页Subgrade Engineering

基　　金：河北省交通厅2007年科技计划项目(Y-070229)

摘　　要：在对张承高速公路施工现场生态环境现状进行调研的基础上,提出了项目区的生态环境等级。阐明了土壤类型,适宜生长的植物;对水土流失现状进行了分析、评价,提出了水土流失防治标准;评定出项目所在地的各项生态环境指标均处于三级水平,已达危险边缘,必须采取强有力的治理措施,在高速公路建设过程中,尽快恢复较好的生态环境。Based on investigation of the current situation of ecological environment of Zhangjiakou-Chengde Expressway construction site,ecological grade of the project site is put forward in this paper.In addition,soil type and the plants suitable to be grown in project area are described and the control standard is put forward through analysis and evaluation of the current situation of water and soil loss.Various ecological indicators of the project site are evaluated at third class with ecological risk,so effective control measures must be taken to restore better ecological environment during expressway construction.

关 键 词：生态恢复 水土流失 生态环境 分级 

分 类 号：X322[环境科学与工程—环境工程]