| 广东廉江次生季雨林主要建群种空间分布(英文) |
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| 引用本文： | 韩维栋,高秀梅,李林锋,卢昌义.广东廉江次生季雨林主要建群种空间分布(英文)[J].林业研究,2001,12(2):101-104. |
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| 作者姓名： | 韩维栋 高秀梅 李林锋 卢昌义 |
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| 作者单位： | 湛江海洋大学园林系!广东湛江524088(韩维栋，高秀梅，李林锋)，厦门大学环科中心!福建厦门361005(卢昌义) |
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| 摘 要： | 根据所调查样方的树种综合优势比值，对广东西部(粤西)廉江谢鞋山次生季雨林最重要的三个建群树种，进行了空间格局分析。分析方法采用了Poisson分布、负两项分布、Neyman分布的频次比较模型和聚合度指数测定以及Taylor指数和 Iwao's 方程模拟。结果表明这三个建群种均符合聚集分布。荔枝（Litchi chinensis ）和山杜英（Elaeocarpus sylvestris）两种群有基本型聚集分布的特点并表现出个体间的聚集现象。橄榄（Canarium album）有可能随着密度的增大而趋于均匀分布。树种的空间分布格局依赖于其繁殖特性之外，还受该次生季雨林保护的影响。这些主要建群种的空间格局表明进行该林区保护的迫切性。
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| 关 键 词： | 次生季雨林 空间格局 综合优势比 聚集指数 |
| 收稿时间： | 10 March 2001 |
Spatial pattern of dominant tree species of the secondary monsoon rain forest in Lianjiang, Guangdong Province |
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| Han Wei-dong,Gao Xiu-mei,Li Lin-feng,Lu Chang-yi.Spatial pattern of dominant tree species of the secondary monsoon rain forest in Lianjiang, Guangdong Province[J].Journal of Forestry Research,2001,12(2):101-104. |
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| Authors: | Han Wei-dong Gao Xiu-mei Li Lin-feng Lu Chang-yi |
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| Institution: | (1) Horticultural Department, Zhanjiang Ocean University, 524088 Zhanjiang, Guangdong, P.R. China;(2) ESRC, Xiamen University, 361005 Xiamen, P.R. China |
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| Abstract: | Based on the summed dominance ratios of species in sample plots, the first three dominant species (Litchi chinensis, Elaeocarpus sylvestris and Canarium album) of the secondary monsoon rain forest of Mt. Royal Shoe in Lianjiang City, western Guangdong, were chosen for analyzing their spatial distribution pattern with the analysis methods such as frequency models of Poisson Distribution, Two Negative Items Distribution, Neyman Distribution, aggregate indexes, Taylor exponential equation and Iwao's equation modeling. The results showed that these three species distributed in the congregate spatial pattern. Litchi chinensis and Elaeocarpus sylvestris had the characteristic of basic congregate population and attractive characteristic between their plants. The patterns for Canarium album may change and become more evenly distributed with the increase of density. The overall species spatial pattern also depended on the conservation of the secondary monsoon rain forest besides it was affected by the species reproduction characteristics and its growing environment. The congregate spatial patterns of three dominant species showed that it is important to conserve forest urgent conservation of the forest. |
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| Keywords: | Secondary monsoon rain forest Spatial pattern Summed dominance ratio Aggregate index |
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