Effects of Slope Posiion and Aspect on Vegetation Restoration of Excavated Soil Surface on Suiyu Railway Rock Slope

PEI Juan; AI Ying-wei; LIU Hao; ZHANG Zhi-qing; ZENG Li-xia

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Effects of Slope Posiion and Aspect on Vegetation Restoration of Excavated Soil Surface on Suiyu Railway Rock Slope

- Effects of Slope Posiion and Aspect on Vegetation Restoration of Excavated Soil Surface on Suiyu Railway Rock Slope
- Bulletin of Soiland Water Conservation Vol. 28, Issue 2, Pages: 197-201(2009)
- 作者机构：
  
  四川大学生命科学学院生物资源与生态环境教育部重点实验室,四川,成都,610064
- 作者简介：
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- Published：2009
- 稿件说明：
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PEI Juan, AI Ying-wei, LIU Hao, et al. Effects of Slope Posiion and Aspect on Vegetation Restoration of Excavated Soil Surface on Suiyu Railway Rock Slope[J]. Bulletin of Soiland Water Conservation, 2009, 28(2): 197-201.
DOI：

PEI Juan, AI Ying-wei, LIU Hao, et al. Effects of Slope Posiion and Aspect on Vegetation Restoration of Excavated Soil Surface on Suiyu Railway Rock Slope[J]. Bulletin of Soiland Water Conservation, 2009, 28(2): 197-201. DOI：

摘要

针对采用客土喷播人工土壤进行植被恢复的铁路边坡

对铁路边坡岩石创面人工土壤植被的盖度、高度、根深、根幅、地上生物量、地下生物量和多样性指数在不同坡位、坡向的空间变异性进行了观测研究。结果表明

铁路边坡植被盖度在不同坡位之间存在明显差异

表现为坡下(87%)>坡上(31%)>坡中(19%)。铁路边坡坡位对植被的盖度、高度、Pielou均匀度指数有显著影响

但对根深、根幅、地上生物量、地下生物量、Marglef丰富度指数和Simpson多样性指数的影响不显著。铁路边坡坡向对植物群落的Pielou均匀度指数有显著影响

表现为西坡>北坡>南坡>东坡

但对Simpson多样性指数、Marglef丰富度指数以及植被的盖度、高度、平均根深、根幅、地上生物量、地下生物量的影响均不显著。

Abstract

The spatial variability of vegetation coverage

height

root depth and breadth distribution

aboveground and belowground biomass

and biodiversity were measured on different slope position and exposure of excavated rock soil surface after vegetation restoration by spray seeding technique and incorporation with extra soil. The results showed that significant difference of vegetation coverage variability existed on different slope positions

in the same slope

the value rank as: down-slope(87%)>up-slope( 31%)>mid-slope(190o)along the same slope. Slope position has significant effects on vegetation cover

height and Pielou evenness of plant communities

the effects on root depth and breadth

aboveground and underground biomass

Marglef species richness and Simpson abundance were in- significant. Slope aspect also has significant effects on Pielou evenness index of plant communities

the rank of spatial variability is western-slope>northern-slope>southern-slope>eastern-slope

no significant effects on vegetation cover

height

root depth and breadth

aboveground and belowground biomass

Simpson diversity and Marglef abundance were detected.

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