Ecosystem Health Assessment on Highway Roadsides in Longitudinal Range-Gorge Region

LIU Jie; CHEN Fan; GENG Hai-qing; QIU Xi-xi; CAI Bin-bin

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Ecosystem Health Assessment on Highway Roadsides in Longitudinal Range-Gorge Region

- Ecosystem Health Assessment on Highway Roadsides in Longitudinal Range-Gorge Region
- Bulletin of Soiland Water Conservation Vol. 29, Issue 2, Pages: 31-36(2010)
- 作者机构：
  
  环境保护部环境工程评估中心,北京,100012
- 作者简介：
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- Published：2010
- 稿件说明：
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LIU Jie, CHEN Fan, GENG Hai-qing, et al. Ecosystem Health Assessment on Highway Roadsides in Longitudinal Range-Gorge Region[J]. Bulletin of Soiland Water Conservation, 2010, 29(2): 31-36.
DOI：

LIU Jie, CHEN Fan, GENG Hai-qing, et al. Ecosystem Health Assessment on Highway Roadsides in Longitudinal Range-Gorge Region[J]. Bulletin of Soiland Water Conservation, 2010, 29(2): 31-36. DOI：

摘要

将生态系统健康理论引入路边生态系统，选择纵向岭谷区大保(大理—保山)和思小(思茅—小勐养)两段高速公路作为案例工程，采用生态系统距离指数、协调指数和健康指数对高速公路沿线生态系统的健康状态进行了尝试性评价，进而分析了高速公路建设对沿线生态系统健康的影响。结果表明，高速公路建设对沿线生态系统健康产生了一定程度的影响，其影响范围可能在200m内，且距离高速公路越近，其影响强度越大;不同地理位置和地貌条件下高速公路建设对沿线生态系统健康的影响强度不同，大保高速公路的影响作用强于思小高速公路(除山腰路段沿线0～50m)，不同地貌条件下其影响程度的强弱比较满足:山腰>山顶。

Abstract

The concept of ecosystem health is introduced in highway roadside ecosystem by taking Dabao Highway (from Dali City to Baoshan City) and Sixiao Highway (from Simao City to Xiaomengyang Town) in the longitudinal range-gorge region as examples. Distance index

coordination index

and health index are adopted and ecosystem health state on highway roadside is assessed. Then the effect caused by highway construction on the roadside ecosystem health is analyzed. Results indicate that highway construction has dramatic effects on highway roadside ecosystem health

with affected scope mostly within 200 m. The nearer to the road

the harder the effect is. The affecting degrees on highway roadside ecosystem health under different landforms caused by the two selected highways are obviously different. The degree of Dabao Highway is higher than that of Sixiao highway

except the ecosystem within 0—50 m to road on mountainside section. The compared result between different landforms shows the order of mountaintopmountainside.

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