Grass-shrub Vegetation Protection on Red Sandstone Engineering Slope in Shaoguan-Ganzhou Expressway

CHENG Ye; XIE Jin-rong; ZHOU Cui-ying; HUANG Lin-chong

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Grass-shrub Vegetation Protection on Red Sandstone Engineering Slope in Shaoguan-Ganzhou Expressway

- Grass-shrub Vegetation Protection on Red Sandstone Engineering Slope in Shaoguan-Ganzhou Expressway
- Bulletin of Soiland Water Conservation Vol. 32, Issue 2, Pages: 181-186(2013)
- 作者机构：
  
  中山大学工学院,广东,广州,510275
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- Published：2013
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CHENG Ye, XIE Jin-rong, ZHOU Cui-ying, et al. Grass-shrub Vegetation Protection on Red Sandstone Engineering Slope in Shaoguan-Ganzhou Expressway[J]. Bulletin of Soiland Water Conservation, 2013, 32(2): 181-186.
DOI：

CHENG Ye, XIE Jin-rong, ZHOU Cui-ying, et al. Grass-shrub Vegetation Protection on Red Sandstone Engineering Slope in Shaoguan-Ganzhou Expressway[J]. Bulletin of Soiland Water Conservation, 2013, 32(2): 181-186. DOI：

摘要

为研究草灌混播技术在红砂岩边坡防护工程中的生态防护效果与施工工艺

选取韶赣高速典型红砂岩边坡4个路段

采用样地记录法对不同草灌配比路段的物种组成

灌木植物的数量、高度、频度等指标进行了调查。通过研究样地植物群落的相对多度、相对高度、相对频度、重要值等指标探讨了试验区植物群落组成与群落特征

并进一步通过各种多样性指标研究试验区植物数量特征及生态学特征。研究结果表明

草灌结合对土壤贫瘠、易风化、易冲刷红砂岩地带具有更强的适应性;豆科植物能通过根瘤固氮作用在坡面贫瘠土壤正常生长

对韶赣高速红砂岩边坡的植被生态恢复起到重要作用;一定配比的本地乡土灌木、豆科植物和少量草种等组成的多物种组合可有效构建较为稳定的红砂岩边坡植物群落

防护效果良好。

Abstract

Four typical sections of red sandstone slope along Shaoguan-Ganzhou expressway were selected tostudy the ecological protective effects of the grass-shrub vegetation technology on protection of red sandstoneslope.Plots were deployed to investigate the species compositions with different grass-shrub ratio.In addition

the number

height and frequency of shrub were also surveyed and recorded.The indexes regarding relative abundance

relative height

relative frequency

important value of plots

the shrubs were determined todescribe the compositional features and quantitative and ecological characteristics of the plant communities inthe test area.The results indicated that grass-shrub vegetation technology was more readily adaptable for redsandstone with poor surface soil

which is prone to weathering and erosion.Legume species grow well in thecircumstance with pool soil by nitrogen fixation and therefore played an important role in ecological restoration of vegetation on the study area.A certain ratio of local native shrubs

legume and grass could build astable plant community on red sandstone slope

showing good protective effects.

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Related Institution

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