河西走廊山地-绿洲-荒漠复合系统耦合的景观生态学机制

应用生态学报 ›› 2002, Vol. ›› Issue (8): 979-984.

河西走廊山地-绿洲-荒漠复合系统耦合的景观生态学机制

刘学录¹, 任继周²

1. 甘肃农业大学资源环境系, 兰州 730070;
2. 兰州大学草地农业科技学院, 甘肃草原生态研究所, 兰州 730020

收稿日期:2002-04-07 修回日期:2002-05-09 出版日期:2002-08-15
通讯作者: 刘学录,男,1966年生,博士,副教授,主要从事草业科学与景观生态学研究,发表论文20多篇.E-mail:liuxuelufangyu@163.net
基金资助:
国家自然科学基金重点资助项目(39630250).

Landscape ecological mechanism on system coupling of the meta-ecosystem consisted of mountain,desert and oasis in Hexi corridor,Gansu,China

LIU Xuelu¹, REN Jizhou ²

1. Department of Resource and Environment, Gansu Agricultural University, Lanzhou 730070;
2. College of Pastoral Agriculture Science and Technology, Lanzhou University, Gansu Grassland Ecology Research Institute, Lanzhou 730020

Received:2002-04-07 Revised:2002-05-09 Online:2002-08-15

摘要/Abstract

摘要： 系统耦合的基础为非生物环境的空间异质性,基本条件为具有类型相同并且相互连通的廊道.系统耦合的景观生态学机制为非生物环境的空间分异和各种干扰导致的景观异质化,各种干扰是系统耦合的介质.系统耦合从本质上可以被看作尺度变大过程中景观组分的融合与性质转换的过程.系统耦合根据干扰的性质可以分为自然耦合和人为耦合2类.自然耦合是人为耦合的基础,系统生态生产力的提高取决于人为耦合的优化过程.

关键词: 河西走廊, 复合生态系统, 系统耦合, 景观生态学机制

Abstract: The fundament of system coupling is heterogeneity,and the basic prerequisite is that there are connective corridors in the same type between ecosystems.The landscape ecological mechanism of system coupling is the spatial difference of non biotic environment and the heterogeneity caused by disturbances.The force or energy of system coupling is disturbances.From in the view of landscape ecology,system coupling is the merging process of different landscape elements between different landscape ecosystems followed by the process of character changing of landscape elements with scale changing.Based on the essence of disturbances,system coupling can be divided into two types as natural system coupling and artificial system coupling.Natural system coupling is the base of artificial system coupling,and hence,the enhance of eco productivity of coupling system is based on the optimization of artificial system coupling.

Key words: Hexi corridor, Oasis landscape ecosystem, System coupling, Landscape ecological mechanism

中图分类号:

S68
Q149

刘学录, 任继周. 河西走廊山地-绿洲-荒漠复合系统耦合的景观生态学机制[J]. 应用生态学报, 2002, (8): 979-984.

LIU Xuelu, REN Jizhou . Landscape ecological mechanism on system coupling of the meta-ecosystem consisted of mountain,desert and oasis in Hexi corridor,Gansu,China[J]. Chinese Journal of Applied Ecology, 2002, (8): 979-984.

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