[1]孔福星,王亚娟,刘小鹏,等.生态移民安置区景观格局的尺度效应分析——以红寺堡区为例[J].水土保持研究,2018,25(03):339-345.
　KONG Fuxing,WANG Yajuan,LIU Xiaopeng,et al.The Scaling Effect of Ecological Settlement Area Landscape Pattern—A Case Study of Hongsibu[J].Research of Soil and Water Conservation,2018,25(03):339-345.
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生态移民安置区景观格局的尺度效应分析——以红寺堡区为例

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 25 期数: 2018年03期 页码: 339-345 栏目: 出版日期: 2018-04-10
Title:
The Scaling Effect of Ecological Settlement Area Landscape Pattern—A Case Study of Hongsibu
作者:
孔福星1, 王亚娟1,2, 刘小鹏1,2, 王鹏1, 陈晓1
1. 宁夏大学 资源环境学院, 银川 750021;
2. 宁夏(中阿)旱区资源评价与环境调控重点实验室, 银川 750021
Author(s):
KONG Fuxing1, WANG Yajuan1,2, LIU Xiaopeng1,2, WANG Peng1, CHEN Xiao1
1. School of Resources and Environment, Ningxia University, Yinchuan 750021, China;
2. Key Laboratory(Chain-Arab) of Resource Evaluation and Environmental Regulation of Arid Region in Ningxia, Yinchuan 750021, China
关键词:
景观格局; 幅度效应; 尺度; 景观指数; 红寺堡区
Keywords:
landscape pattern; scaling effect; scale; landscape index; Hongsibu
分类号:
Q149
摘要:
景观尺度效应是景观生态学的研究重点，通过尺度推绎可以研究不同尺度下景观格局的变化。以景观生态学为理论基础，在ArcGIS，Fragstats 3.4和GS+等软件的支持下，以红寺堡区2015年30 m的Landsat/TM数据为数据源，选用景观多样性指数和斑块密度指数，利用半变异函数分析和克里金插值等方法，研究了景观格局指数对幅度变化的响应。得出以下结论：（1） 不同幅度下，景观多样性指数和斑块密度指数的空间异质性和空间格局发生了变化。（2） 景观多样性指数和斑块密度指数空间变异具有尺度依赖性。随着幅度的增加，空间自相关部分贡献率上升。（3） 指数大小的空间分布不均，与人类的活动有关，土地开发强度大的地方，指数也比较大。（4） 随着幅度的增加，空间格局的局部规律逐渐被掩盖，宏观规律凸显。（5） 综合考虑，认为3 km幅度是研究红寺堡区一个比较合适的幅度。
Abstract:
Landscape scaling effect becomes one of the hottest subjects in landscape ecology. We can study the change of landscape pattern by changing the scale. Based on landscape ecology theory and the support of software ArcGIS, Fragstats 3.4 and GS+, using Hongsipu 2015 TM remote sensing image, selecting landscape diversity index and patch density index, using semivariogram analysis and kriging interpolation, we analyzed landscape pattern index response to scale change. The results of analysis indicate that:the results differed at different scales we had chosen, and the spatial heterogeneity and spatial pattern of landscape diversity and patch density had changed; (2) the landscape diversity and patch density depended on spatial scale; with the increasing scale, the spatial heterogeneity caused by spatial autocorrelation increased; (3) the sizes of the indexes have the relationship with human activity, the greater the land use intensity was, the larger the index became; (4) with the increasing scale, the local pattern of spatial pattern was gradually concealed, and the macroscopic rule was prominent; (5) overall consideration, the scale of 3 km is the perfect choice.

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备注/Memo

收稿日期:2017-06-22;改回日期:2017-07-31。
基金项目:国家自然科学基金“宁夏生态移民安置区生态风险及空间分异研究”（41461039）
作者简介:孔福星(1993-),女,山西吕梁市人,硕士,主要研究生态经济与生态评估。E-mail:NXUkongfx@163.com
通讯作者:王亚娟(1978-),女,宁夏银川市人,博士,副教授,主要研究生态风险与环境评价,E-mail:wangyj@nxu.edu.cn

更新日期/Last Update: 1900-01-01