[1]尤海梅,藤原一绘.徐州低山丘陵区侧柏人工林群落的复杂性[J].南京林业大学学报(自然科学版),2011,35(06):034-38.[doi:10.3969/j.jssn.1000-2006.2011.06.007]
 YOU Haimei,FUJIWARA Kazue.Plant community complexity of Platycladus orienalis plantation in low elevation mountains and hills of Xuzhou[J].Journal of Nanjing Forestry University(Natural Science Edition),2011,35(06):034-38.[doi:10.3969/j.jssn.1000-2006.2011.06.007]
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徐州低山丘陵区侧柏人工林群落的复杂性
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
35
期数:
2011年06期
页码:
034-38
栏目:
研究论文
出版日期:
2011-11-28

文章信息/Info

Title:
Plant community complexity of Platycladus orienalis plantation in low elevation mountains and hills of Xuzhou
作者:
尤海梅1藤原一绘2
1.徐州师范大学城市与环境学院,江苏徐州221116;2.横滨国立大学环境情报研究院,横滨240-8501
Author(s):
YOU Haimei1FUJIWARA Kazue2
1. Department of Urban and Environment, Xuzhou Normal University, Xuzhou 221116, China; 2. Department of Environment and Natural Sciences Graduate School of Environment and Information Sciences, Yokohama National University, Yokohama 240-8501, Japan
关键词:
侧柏人工林群落复杂性物种组成环境因子
Keywords:
Platycladus orienalis plantation community complexity species composition environmental factor
分类号:
S718.5
DOI:
10.3969/j.jssn.1000-2006.2011.06.007
文献标志码:
A
摘要:
根据徐州低山丘陵区侧柏人工林群落及其环境因子的取样调查数据,运用Huffman编码的平均码长、12阶Rényi熵和两者之差分别测度群落及各层的总复杂性、无序复杂性和结构复杂性,分析了复杂性与物种组成及环境因子的关系。结果表明:研究区侧柏人工林的复杂性已发生分化;群落复杂性主要受物种组成因子的影响,群落及各层的总复杂性和结构复杂性的变化趋势高度一致,它们主要受非优势种组成比例的影响,而无序复杂性则主要受物种重要值变异系数的制约;环境因子通过物种组成因子而对复杂性产生影响。因此,可通过疏伐、引种、补植等方式改善林分结构,提高人工林的复杂性和稳定性。
Abstract:
To understand the factors influencing the complex change of plantation,the field investigation of plant communities and environmental factors (elevation, slope, aspect, position, and the proportion of rock exposure) of actual Platycladus orienalis plantation in the low mountains and hills of Xuzhou were carried out, the communities were classified into four types based on the species composition and important values. And the total, disordered and structural complexity were measured using the mean length of Huffman code, the 12th order of Rényi entropy and the difference between these two measures, respectively. Then the correlation between the complexities and the species composition, the environmental factors were analyzed. The results revealed that the complexities of actual P. orienalis plantation differentiated, the complexities were influenced mainly by the species composition factors and environmental factors, the change tendency of the total and structure complexity in whole community and each layer was highly consistent, and was influenced mainly by the proportion of nondominant species composition, the disordered complexity was restricted mainly by the variation coefficient of species important value. Environmental factors influenced the complexities through effecting species composition. Therefore, the ways such as thinning, introduction, replanting and so on could be used to improve the forest structure, and to enhance the complexity and stability of actual P. orienalis plantation.

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备注/Memo

备注/Memo:
收稿日期:2010-06-29修回日期:2011-04-25基金项目:日本文部省基金项目 (16255003);徐州师范大学自然科学基金重点项目(10XLA10)作者简介:尤海梅(1965—),讲师,博士。Email:haimeiyou@xznu.edu.cn。
更新日期/Last Update: 2011-11-28