道路对景观的影响及其生态风险评价——以澜沧江流域为例

生态学杂志 ›› 2005, Vol. ›› Issue (8): 897-901.

道路对景观的影响及其生态风险评价——以澜沧江流域为例

刘世梁¹, 杨志峰¹, 崔保山¹, 甘淑²

1. 北京师范大学环境学院水环境模拟国家重点实验室, 北京, 100875;
2. 云南大学生态学与地植物学研究所亚洲国际河流中心, 昆明, 650091

收稿日期:2004-08-31 修回日期:2004-11-04 出版日期:2005-08-10
通讯作者: 刘世梁,男,1976年生,博士,讲师.主要从事土地利用与景观生态学研究,发表论文20余篇.E-mail:Shil-ianyliu@163.com
基金资助:
国家重点基础研究发展规划资助项目(2003CB415104).

Effects of road on landscape and its ecological risk assessment:A case study of Lancangjiang River valley

LIU Shiliang¹, YANG Zhifeng¹, CUI Baoshan¹, GAN Shu²

1. State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China;
2. Yunnan University, Kunming 650091, China

Received:2004-08-31 Revised:2004-11-04 Online:2005-08-10

摘要/Abstract

摘要： 道路贯穿于各类景观。道路网络的发展也产生了许多生态效应。道路的生态风险分析是基于生态效应,通过格局和过程的研究,综合评估各类潜在生态影响及其累积性后果。从景观生态学理论入手,分析了道路对景观的影响,将道路对景观的影响区分为建设期和运营期2个阶段,并提出了基于格局和过程的生态环境指数,进而得出道路综合生态风险评价的方法。以澜沧江流域上中下游的3个典型区为例,研究道路对景观的影响。结果表明,虽然不同案例区道路影响的景观类型和格局不同,其风险的分布也不同,但综合风险指数和道路密度具有很高的一致性。

关键词: 人工林, 凋落物, 养分, 养分转移

Abstract: Road and road networks bring forth many ecological effects,as they run through all kinds of landscapes,while road ecological risk analysis is to comprehensively assess various potential ecological effects and their accumulative effects trough pattern and process research.Focused on the impact of roads on landscape,the road effects were divided into construction period and passage period,with two indexes based on different effects on pattern and process to describe the effects put forward and the comprehensive ecological risk index deduced.Taking three case areas at upper,middle,and lower reaches of Lancanjiang River valley as examples,this paper analyzed that the road impact on landscape,and calculated their ecological risk index.The results indicated that though ecological risk distributed differently in each area,road density had high positive linear correlations with risk indexes.

Key words: Plantation, Litterfall, Nutrient, Nutrient translocation

中图分类号:

Q149

刘世梁, 杨志峰, 崔保山, 甘淑. 道路对景观的影响及其生态风险评价——以澜沧江流域为例[J]. 生态学杂志, 2005, (8): 897-901.

LIU Shiliang, YANG Zhifeng, CUI Baoshan, GAN Shu. Effects of road on landscape and its ecological risk assessment:A case study of Lancangjiang River valley[J]. cje, 2005, (8): 897-901.

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