| 濒危植物连香树种群空间分布格局分析 |
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| 引用本文： | 刘光华,张春梅,操国兴,杨金亮,殷国兰. 濒危植物连香树种群空间分布格局分析[J]. 四川林业科技, 2009, 30(6): 79-81 |
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| 作者姓名： | 刘光华 张春梅 操国兴 杨金亮 殷国兰 |
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| 作者单位： | 四川省林业科学研究院川南林业研究所,四川,泸县,646100;重庆市铜粱县林业局,铜梁,402560;四川农业大学林学园艺学院,四川,雅安,625014 |
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| 基金项目： | 四川省教育厅重点资助项目 |
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| 摘 要： | 以空间代替时间的方法调查了喇叭河自然保护区和宝兴县两个地区天然连香树种群,研究了不同群落类型下天然连香树种群空间分布格局。结果表明：2个地区连香树种群分布格局相似,均呈集群分布,但集群程度有差异;在不同发育阶段的连香树种群分布格局方面,幼树的聚集程度较高,从幼树到大树聚集程度有减弱的趋势,即有扩散的趋势,其中幼树到中树的扩散趋势较明显。
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| 关 键 词： | 空间分布格局 连香树 种群 |
Spatial Distribution Patterns of Cercidiphyllum japonicum Populations, an Endangered Plant |
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| LIU Guang-hua,ZHANG Chun-mei,CAO Guo-xing,YANG Jin-liang,YIN Guo-lan. Spatial Distribution Patterns of Cercidiphyllum japonicum Populations, an Endangered Plant[J]. Journal of Sichuan Forestry Science and Technology, 2009, 30(6): 79-81 |
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| Authors: | LIU Guang-hua ZHANG Chun-mei CAO Guo-xing YANG Jin-liang YIN Guo-lan |
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| Affiliation: | LIU Guang-hua ZHANG Chun-mei CAO Guo-xing YANG Jin-liang YIN Guo-lan (1. Institute of Southern Sichuan Forestry Research, Sichuan Academy of Forestry, Luxian 646100, China; 2. Faculty of Forestry and Horticulture, Sichuan Agricultural University, Ya＇an 625014, Chinafi 3. Forestry Bureau of Tongliang County,Tongliang 402560) |
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| Abstract: | The population structure of Cercidiphyllum japonicum was investigated in Labahe Nature Reserve and Baoxing County by the method of space substituting time. Analysis was made of the spatial distribution patterns of Cercidiphyllum japonicum populations in different communities. The results showed that the spatial distribution patterns of CercidiphyUum japonicum populations in these two areas were similar, and were generally clumpy. During different growth stages of Cercidiphyllum japonicum, the aggregation intensity of saplings was stronger, and the aggregation intensity had a decreasing tendency from saplings to trees. Besides, the diffusion tendency are relatively apparent from saplings to mid-age trees. |
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| Keywords: | Spatial distribution pattern japonicum Population |
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