武夷山景区主要景观类型斑块大小分布规律及其等级尺度效应分析

应用生态学报 ›› 2004, Vol. ›› Issue (1): 21-25.

武夷山景区主要景观类型斑块大小分布规律及其等级尺度效应分析

何东进¹, 洪伟¹, 胡海清², 吴承祯¹

1. 福建农林大学, 南平, 353001;
2. 东北林业大学, 哈尔滨, 150040

收稿日期:2003-03-19 修回日期:2003-11-16 出版日期:2004-01-15
通讯作者: 洪伟
基金资助:
国家“十五”科技攻关项目(2001BA510B0901);福建省自然科学基金资助项目(D0310017)

Patch size distribution pattern and its hierarchical effect of main landscape types in the Wuyishan scenery district

HE Dongjin¹, HONG Wei¹, HU Haiqing², WU Chengzhen ¹

1. Fujian Agriculture and Forestry University, Nanping 353001, China;
2. Northeast Forestry University, Harbin 150040, China

Received:2003-03-19 Revised:2003-11-16 Online:2004-01-15

摘要/Abstract

摘要： 以武夷山风景名胜区为研究对象,运用景观分类生态原则和群落生态学原则,将武夷山风景名胜区划分为10类景观类型,并提取各类型斑块的面积、周长、数量等信息.在此基础上,运用正态分布、对数正态分布、Weibull分布、Г-分布、Bata-分布及负指数分布等6个常见的概率分布,分别在3种等级划分条件下,对各景观类型斑块大小分布规律进行研究.结果表明,多数斑块大小服从对数正态分布,少数服从Г分布和Weibull分布,而所有类型的斑块大小均不服从正态分布;对于同一景观类型而言,不同划分等级对其斑块大小的分布规律产生一定的影响,即斑块大小分布存在着等级效应,其中以b等级划分相对比较理想;对不同的景观类型而言,斑块大小分布规律依类型的不同而存在差异,而且就整个景区所有斑块大小分布来说,尚未有一种概率分布能理想地加以刻画;由具有相同分布规律的不同景观类型的斑块构成的整体,其斑块大小分布规律基本保持不变,而由不同分布规律的不同景观类型的斑块构成的整体,其斑块大小分布规律发生变化.

Abstract: Based on the principles of landscape ecology and community ecology,the Wuyishan district was classified into 10 landscape types,and the patch size distribution of this district was characterized by six types of probability distribution,including normal,lognormal,Weibull,Gamma,Beta and negative exponential.The results showed that most of patch types could be characterized by lognormal distribution,a few of them could be characterized by Gamma or Weibull distribution.Normal distribution was not suitable to characterize the patch size distribution.For the same type of landscape,its patch size distribution was not the same under three different classifications,which meant that there was a hierarchical effect in the distribution pattern of patch size.Among the three classifications,the distribution characteristics of patch sizes could be better revealed by the second classification(b) abstract For different types of landscape,the distribution of patch sizes were different.None of the six probability distributions could characterize the patch size distribution of all the types of landscape or the whole scenery district.The new patch collective,which was composed of the two landscape types,would keep the pattern if the two different landscape types had the same distribution pattern of patch sizes,otherwise,its distribution would change if the patch sizes distribution of the two landscape types were different.

中图分类号:

Q149
S759.9

何东进, 洪伟, 胡海清, 吴承祯. 武夷山景区主要景观类型斑块大小分布规律及其等级尺度效应分析[J]. 应用生态学报, 2004, (1): 21-25.

HE Dongjin, HONG Wei, HU Haiqing, WU Chengzhen . Patch size distribution pattern and its hierarchical effect of main landscape types in the Wuyishan scenery district[J]. Chinese Journal of Applied Ecology, 2004, (1): 21-25.

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