Fractal Characteristics of the Distribution Pattern of Mangrove Bruguiera Gymnor

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Fractal Characteristics of the Distribution Pattern of Mangrove Bruguiera Gymnorrhiza Populations in Southern China

The distribution patterns of mangrove Bruguiera gvmnorrhiza populations in southern China are analyzed using the box-counting method of fractal theory. The patterns of B. gymnorrhiza populations could be thought of as fractals as they exhibit self-similarity within the range of scale considered. Their fractal dimensions are not integer but fractional, ranging from 1.04 to 1.51. The unoccupied dimensions change from 0.49 to 0.96. The combined conditions of population density, pattern type and aggregation intensity together influence the values of fractal dimensions of patterns.The box counting is a useful and efficient method to investigate the complexity of patterns. Fractal dimension may be a most desirable and appropriate index for quantifying the horizontal spatial microstructure and fractal behaviors of patterns over a certain range of scales.

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作 者: 梁士楚 董鸣 王伯荪  
作者单位:梁士楚,董鸣(Laboratory of Quantitative Vegetation Ecology, Institute of Botany, Chinese Academy of Sciences,Beijing,100093,China)水利论文n)yp]wvFS%x
王伯荪(School of Life Science, Zhongshan University, Guangzhou,510275,Guangdong,China) 
刊 名:海洋通报(英文版) 
英文刊名:MARINE SCIENCE BULLETIN 
年,卷(期):2004 6(2) 
分类号: 
关键词:pattern   fractal   fractal dimension   ecological unoccupied dimension.Bruguiera gymnorrhiza  
机标关键词:Southern Chinafractal dimensionsdistribution patternsaggregation intensitypopulation densityrange ofefficient methodsouthern Chinafractal theorybox countingmethod of 
基金项目:国家自然科学基金 
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