岷江上游山区聚落生态位地域边界划分与垂直分异分析

生态与农村环境学报 ›› 2013, Vol. 29 ›› Issue (5): 572-576.doi:

岷江上游山区聚落生态位地域边界划分与垂直分异分析

闫卫坡,王青,郭亚琳,石敏球,蒋勇军

西南科技大学环境与资源学院

收稿日期:2013-02-27 修回日期:2013-09-04 出版日期:2013-09-25 发布日期:2013-09-30
通讯作者: 王青西南科技大学环境与资源学院 E-mail:qingw@imde.ac.cn
作者简介:闫卫坡（1987-），男，河南新乡人，硕士生，主要从事环境规划与治理研究。E-mail:yanchong6868@163.com
基金资助:
国家自然科学基金(41071115);四川省科技支撑计划(201SZ0307,2012SZ0175,2013SZ0101)

Delineation of Geographical Boundaries of Settlement Niches in Mountains of the Upper Reaches of the Min River and Analysis of Their Vertical Differentiation

YAN Wei-Po, WANG Qing, GUO Ya-Lin, SHI Min-Qiu, JIANG Yong-Jun

School of Environment and Resource,Southwest University of Science & Techonology

Received:2013-02-27 Revised:2013-09-04 Online:2013-09-25 Published:2013-09-30
Contact: WANG Qing School of Environment and Resource,Southwest University of Science & Techonology E-mail:qingw@imde.ac.cn

摘要/Abstract

摘要： 山区聚落生态位是当地居民长期适应山地自然环境的结果，涵盖了人类居所在山地生态系统中所处的地理位置及居民生计所能利用的资源空间。基于SPOT-5遥感数据和GIS技术，对岷江上游山区聚落生态位边界进行甄别，提出了山区聚落生态位地域边界的划分方法，并对其分异特征进行定量分析。结果表明，河流、山脚、山沟、图像纹理和色差等因素对边界划分具有指示意义，是界定山区聚落生态位地域范围的关键因子；岷江上游山区聚落生态位地域面积介于2.27~528.67 hm²之间，且随着海拔升高而增大；在＜1 600 m海拔段，聚落生态位的增速较小，当海拔高度超过1 600 m时，聚落生态位的增速明显增加。

关键词: 生态位, 地域边界, 垂直分异, 山区聚落, 岷江上游

Abstract: Settlement niches in mountainous areas are the consequence of long-term adaption of local settlers to the natural environment of the mounaintains, covering geographical locations of the human settlements in the mainountainous ecosystem and resources space available to the settlers for sustenance. Based on SPOT-5 remote sensing data and GIS technology, boundaries of the settlement niches were identified and methods for their delineation suggested, and differentiation characteristics of the settlement niches were quantitatively analyzed. Results show that rivers, valleys, mountain foots, image texture and chromatic aberration are factors of indicative significance to delineation of boundaries and keys to demarcation of the settlement niches geographically; the area of a single mountainous settlement niche ranged between 2.27 and 528.67 hm² and expanded with rising elevation; the expansion rate was quite low when below 1600 m in elevation, was quite low and became significantly higher once the elevation got over 1600 m.

Key words: niche, geographical boundary, vertical differentiation, mountain settlement, the upper reaches of the Min River

中图分类号:

X144

闫卫坡, 王青, 郭亚琳, 石敏球, 蒋勇军. 岷江上游山区聚落生态位地域边界划分与垂直分异分析[J]. 生态与农村环境学报, 2013, 29(5): 572-576.

YAN Wei-Po, WANG Qing, GUO Ya-Lin, SHI Min-Qiu, JIANG Yong-Jun. Delineation of Geographical Boundaries of Settlement Niches in Mountains of the Upper Reaches of the Min River and Analysis of Their Vertical Differentiation[J]. Journal of Ecology and Rural Environment, 2013, 29(5): 572-576.

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