基于景观生态学的湖区沟渠保护研究

摘要/Abstract

摘要： 沟渠作为一种典型的廊道景观,是湖区生态系统的重要组成部分.近年来,武汉市汉阳湖区沟渠廊道功能退化,导致其生态系统质量不断恶化.根据景观生态学的廊道理论、尺度效应、景观异质性、边缘效应和生态修复等原理,在汉阳湖区沟渠现状调研的基础上,对沟渠景观格局进行优化设计来实现对沟渠的保护:从大尺度上对整个汉阳湖区水质进行调控,以提高沟渠水体质量;对湖区沟渠进行拓宽、重建以改善沟渠的廊道功能;对沟渠岸线进行景观保护设计,以提高沟渠的抗干扰能力,从而恢复沟渠的景观生态功能,改善湖区生态系统健康状况.研究表明,在湖区沟渠的保护过程中,可以将景观生态学的原理比较合理地运用于实践.

关键词: 景观生态学, 沟渠保护, 廊道, 汉阳湖区

Abstract: As a typical corridor landscape in lake network,ditch is an important component of lake ecosystem.In recent years,the ecosystem quality of Hanyang lake network in Wuhan City becomes worse and worse,mainly caused by the degradation of ditch corridor's function.In order to restore its function,this paper made an optimized design of the ditches' landscape pattern on the basis of landscape ecology theories such as corridor scale effect,heterogeneity,edge effect and ecological rehabilitation,and the analyses of ditches status.The contents were to control the water quality in the whole area in a larger scale,to dredge and rebuild the ditches to strengthen the corridor function,and to project the banks of ditches to enhance the anti disturbance ability.The study indicated that the theories of landscape ecology should be used reasonably in the ditches protection in lake networks.

Key words: Landscape ecology, Ditches protection, Corridor, Hanyang lake network

中图分类号:

Q149

范英英, 刘永, 郭怀成, 毛国柱. 基于景观生态学的湖区沟渠保护研究[J]. 应用生态学报, 2005, 16(3): 481-485.

FAN Yingying, LIU Yong, GUO Huaicheng, MAO Guozhu . Ditches protection in lake network based on landscape ecology[J]. Chinese Journal of Applied Ecology, 2005, 16(3): 481-485.

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