摘要
我国半干旱区农牧交错带在地理上有其独特的空间分布和结构特性，在生态上具有显著的生态学规律，引入景观生态学这一地理学与生物学之间的交叉学科对该地区区域生态环境特性进行探讨，不仅是可行的，而且是必要的。本文在半干旱农收交错带区域生态环境脆弱性背景下，根据景观生态学基本理论和方法，分别选择生态地形，景观植被作为两级景观生态分类指标，进行了区域生态环境的景观生态类型划分；同时，对诱发该地区景观生态分异的原因进行探讨，最后阐述了区域生态环境的景现生态分异机制。
The farming grazing transitional belt of semi arid zone has not only unique struc-ture and distribution in Geography btit also distinctive characteristics in Ecology,so it isfeasible to take an extensive research on landscape Ecology which combines Geographywith Ecology together. On the basis of the fragile eco environmental background in thefarming grazing transitional belt of semi arid zone,this paper selected ecological topog-raphy and iandscape vegetation as two grade classified indexes and set up the divisionsystems of landscape ecological types in regional eco environment. Furthermore, it in-quired into the reasons for inducing landscape ecological classification and explained themechanisms of landscape ecological classification in regional eco environment.
出处
《干旱区资源与环境》
CSCD
1995年第1期8-17,共10页
Journal of Arid Land Resources and Environment
