Position: Home > Articles > Spatial Pattern of Pteroceltis tatarinowii Populations in Langya Moutain of Anhui Province
Scientia Silvae Sinicae
2012,48
(2)
12-18
安徽琅琊山青檀种群空间格局
作 者：
张莉;张小平;陆畅;李晓红
单 位：
安徽师范大学生命科学学院
关键词：
青檀种群;琅琊山;点格局分析;空间分布格局;空间关联
摘 要：
利用点格局O-Ring统计法,分析安徽省琅琊山青檀种群的空间分布格局。结果表明:青檀种群趋于小龄化,种群结构呈倒"J"型,属增长型种群;种群中Ⅰ龄级个体在r<25m的尺度上呈集群分布;Ⅱ龄级个体呈随机分布,随龄级增大,逐渐趋于均匀分布;不同龄级间青檀个体的关联性研究表明,只有Ⅰ龄级和Ⅱ龄级个体在r>8m的尺度上呈正关联,其余各龄级间均无显著关联。
译 名：
Spatial Pattern of Pteroceltis tatarinowii Populations in Langya Moutain of Anhui Province
作 者：
Zhang Li1,2,3 Zhang Xiaoping1,2,3 Lu Chang1 Li Xiaohong1(1.College of Life Science,Anhui Normal University Wuhu 241000;2.Key Laboratory for the Conservation and Utilization of Important Biological Resources,Anhui Province Wuhu 241000;3.Key Laboratory of Biotic Environment and Ecological Security,Anhui Province Wuhu 241000)
关键词：
population of Pteroceltis tatarinowii;Langya Mountain;point pattern analysis;spatial distribution pattern;spatial associations
摘 要：
The spatial distribution patterns and associations of different ages of P.tatarinowii were analysed in Langya Mountain,Anhui Province by O-Ring statistics in point patterns analysis.The results showed that the P.tatrinowii population was of an increasing one,the age class tended to be young ages and the age structure presented a reversedly J-shaped pattern.The age-classⅠexhibited a clumped spatial distribution at the scale of r<25 m.The age-classⅡexhibited a random spatial distribution the others displayed the pattern from random to the well-proportioned distribution with increasing the age-class;The associations of the all different ages showed non-associations except the first and the second age-classes that were positively related at the scale of r>8 m.
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