摘要
西南区（四川、云南、贵州、重庆市）是我国自然环境复杂、地域分异最明显的地区．山地、高原占了绝对优势，这一特点在西南区地域分异中起着主导的作用．主要体现在地貌这一非地带性因素对其它要素如气候、水文、植被、土壤等有着深刻的影响，以致地貌类型的界线常常就是各级自然综合体的界线．本文以地貌为分区的主要依据和指标，将西南区分为６个区、２１个小区。
The Southwest region (including Sichuan province,Yunnan provice,Guizhou province and Chongqing) is a region where the natural environment is complex and the regional differentiation is the most advious in our country.Mountainous and pleteaus occupy an absolute dominant position,which plays a leading role in regional differentiation.The character mainly embodies in that the azounlity factor(landform) of the Southwest region exert a deeply influens on the other factors(climate,hydrology,vegetation and soil etc.),which causes that the bounderies of the geomorphis types are always those of natural complex of different levels.The article regards geomorphy as chief basis and index in regionalization,so the Southwest region is divided into six regions (grade-1 regions) and twenty one small regions (grade-2 regions).Moreover,the article describes briefly the main regional charcters of all the regions.
出处
《西南师范大学学报（自然科学版）》
CAS
CSCD
北大核心
1997年第2期193-198,共6页
Journal of Southwest China Normal University(Natural Science Edition)
关键词
自然区划
非地带性因素
地貌
西南地区
自然环境
physico geographic reginalization
azountity factor
landform
Southwest region
