[1]杨卫红,张军民,李松霞,等.玛纳斯河流域景观分异特征及其水文生态效应研究[J].水土保持研究,2015,22(03):73-78.
　YANG Weihong,ZHANG Junmin,LI Songxia,et al.Study on the Characteristics of Landscape Differentiation and Its Hydro-Ecological Effect in Manas River Basin[J].Research of Soil and Water Conservation,2015,22(03):73-78.
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玛纳斯河流域景观分异特征及其水文生态效应研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 22 期数: 2015年03期 页码: 73-78 栏目: 出版日期: 2015-06-28
Title:
Study on the Characteristics of Landscape Differentiation and Its Hydro-Ecological Effect in Manas River Basin
作者:
杨卫红1, 张军民1, 李松霞2, 徐丽萍1, 唐湘玲1, 王玲1
1. 石河子大学 理学院, 新疆 石河子 832000;
2. 石河子大学 经济管理学院, 新疆 石河子 832000
Author(s):
YANG Weihong1, ZHANG Junmin1, LI Songxia2, XU Liping1, TANG Xiangling1, WANG Ling1
1. College of Science, Shihezi University, Shihezi, Xinjiang Uygur Autonomous Region 832000, China;
2. College of Economic Management, Shihezi University, Shihezi, Xinjiang Uygur Autonomous Region 832000, China
关键词:
土地利用; 景观分异; MODS; 景观指数; 水文生态效应; 玛纳斯河流域
Keywords:
land use; landscape differentiation; MODS; landscape index; hydro-ecological effect; Manas River Basin
分类号:
F301.24;X143
摘要:
土地利用及景观变化是全球变化研究的核心议题。玛纳斯河流域是干旱区典型的山地—绿洲—荒漠生态系统，在3S技术下，采用定量分析方法，研究玛纳斯河流域的景观分异特征，并进一步分析所带来的水文生态效应，结果表明：（1）玛纳斯河流域土地利用的人工化和集约化趋势明显，生态景观持续弱化；（2）特殊的山地—绿洲—荒漠生态系统使得土地利用变化存在着区域差异，表现在绿洲区土地利用趋向高度人工化和结构稳定性，绿洲区外围则趋向高度敏感化与生态脆弱性；（3）山地区、绿洲区和荒漠区呈现出不同的景观分异特征。在山地区，洪积扇上部的开发导致了景观多样性的增加。在绿洲区，斑块的分布更加邻近且趋向简单化和归一化。荒漠区的景观变化较为复杂，以水域的连通性和优势度降低，未利用地的破碎化加大为主；（4）玛纳斯河流域的景观变化扰乱了上游水文循环、弱化了下游水资源分配。
Abstract:
Land use and landscape change are the core issues of global change research. Manas River Basin is a typical mountain-oasis-desert ecosystem in the arid areas. Based on the 3S technology and using the method of quantitative analysis the characteristics of landscape differentiation and its hydro-ecological effect in Manas River Basin were examined. The results showed that: (1) the artificialization and intensive trend of land use were obvious, ecological landscape continued to weaken; (2) land use changes presented the regional differences due to the special mountain-oasis-desert ecosystem, land use tended to highly altitude artificialization and structure stability in oasis area, then tended to highly sensitive and fragile ecology in periphery of oasis; (3) in mountain areas, oasis areas and desert areas, the characteristics of landscape differentiation was different, the development of foreland pluvial fan led to the increase of landscape diversity in mountain areas; the distribution of patch became more nearby and tended to simplification and normalized in oasis areas; landscape pattern change was more complicated in desert areas, giving that the priority of the dominance and dominance index of water area decreased, the fragmentation of unused land increased; (4) the landscape change disrupted the hydrologic cycle in the upper reaches of Manas River, weakened the water resources allocation in the lower reaches of Manas River.

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备注/Memo

收稿日期:2014-05-18;改回日期:2014-08-25。
基金项目:国家自然科学基金“玛纳斯河流域绿洲经济—生态景观空间分异机理研究”（41361025）
作者简介:杨卫红(1990-),女,河南周口人,硕士研究生,研究方向为绿洲资源开发与环境管理。E-mail:1208341585@qq.com
通讯作者:张军民(1964-),男,甘肃武山人,教授,博士生导师,主要从事绿洲景观变化及生态安全研究。E-mail:zjm_tea@163.com

更新日期/Last Update: 1900-01-01