Fractals in Spatial Patterns of Vegetation Formations

被引：0

作者：

宋志远 ^{[1
]}

黄大明 ^{[1
]}

Masae Shiyomi ^{[2
]}

王昱生 ^{[3
]}

Shigeo Takahashi ^{[4
]}

Hori Yoshimichi ^{[2
]}

Yasuo Yamamuru ^{[2
]}

陈俊 ^{[2
]}

机构：

[1] Institute of Ecology, Department of Biological Sciences and Biotechnology, Tsinghua University, Beijing 100084, China

[2] Faculty of Science, Ibaraki University, Bunkyo 2-1-1, Mito 310-8512, Japan

[3] Grassland Research Station, College of Animal Science, Northeast Agricultural University, Harbin 150030, China

[4] National Institute of Livestock and Grassland Science, 768 Senbonmatsu, Nishinasuno, Tochigi 329-2793, Japan

来源：

Tsinghua Science and Technology | 2006年 / 04期

基金：

日本学术振兴会;

关键词：

area of occupancy; box-counting dimension; fractal; scale; vegetation formation;

D O I：

暂无

中图分类号：

Q948 [植物生态学和植物地理学];

学科分类号：

071012 ; 0713 ;

摘要：

The spatial distribution patterns of species are always scale-dependent and spatially self-similar in ecological systems. In this work, vegetation distribution data collected from the vegetation map of the Xigazê region was analyzed using a box-counting method. The power law of the box-counting dimension (DB) across a range of scales (5-160 km) confirms the fractal patterns for most vegetation formations, while the fluctuations of the scale-specific DB among the different abundance groups indicate limitations of fractal co-herence. The fractal method is shown to be a useful tool for measuring the distribution patterns of vegetation formations across scales, which provides important information for both species and habitat conservation, especially in landscape management.

引用

页码：462 / 469

页数：8

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