[1]郭永清,郎南军,江期川,等.元谋干热河谷植物生态位特征研究元谋干热河谷植物生态位特征研究[J].西北林学院学报,2009,24(02):13-17.
 GUO Yong qing,LANG Nan jun,JIANG Qi chuan,et al.Niche Characteristics of the Plants in the Dry and Hot Valley of Yuanmou County[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2009,24(02):13-17.
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元谋干热河谷植物生态位特征研究元谋干热河谷植物生态位特征研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第24卷
期数:
2009年02期
页码:
13-17
栏目:
出版日期:
2009-03-30

文章信息/Info

Title:
Niche Characteristics of the Plants in the Dry and Hot Valley of Yuanmou County
作者:
郭永清1 郎南军1 江期川1 杨旭1 谷晓萍2
(1. 云南省林业科学院,云南 昆明 650204;2.沈阳农业大学,辽宁 沈阳 110161)
Author(s):
GUO Yongqing1LANG Nanjun1JIANG Qichuan1YANG Xu1GU Xiaoping2
(1.Yunnan Academy of Forestry, Kunming,Yunnan 650204,China;2.Shenyang Agricultural University,Shenyang,Liaoning 110161,China)
关键词:
干热河谷生态位生态位重叠演替
Keywords:
dry and hot valley niche niche overlap populationJoseph Grinnell
分类号:
S718.5
文献标志码:
A
摘要:
采用样方法对云南元谋干热河谷区20个物种的30块样地进行调查研究,并计算了物种的生态位宽度、生态位相似性比例和生态位重叠值。结果表明,扭黄茅(Heteropogon contortus)是干热河谷区的主要优势种,其重要值和生态位宽度最大,分别为0.81和0.938。扭黄茅与其他物种的生态位相似性比例相对较低,生态位重叠值也较小,相反,生态位宽度较小的物种之间生态位重叠值和生态位相似性比例较高。在植被演替过程中,生态位较小的物种容易被替代。
Abstract:
20 plant species in 30 sampling plots were selected to investigate niche characteristics of the plants in the dry and hot valley in Yuanmou County, Yunnan Province. The niche breadth , similarity, and niche overlap values of the species were calculated. The results showed that Heteropogon contortus was the dominant species, manifested by its highest value of importance and niche breadth (0.81 and 0.938 respectively). The similarity and niche overlap value of H. contortus with other plant species were lower. However, similarity and niche overlap value were higher among the plant species with smaller niche breadth, indicating that during the succession, those with small niche are easier to be replaced the others.

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备注/Memo

备注/Memo:
收稿日期:20080617修回日期:20080805基金项目:云南省自然科学基金重点项目(2005C0013Z)。作者简介:郭永清,男,硕士,助理研究员,主要从事林业生态和森林培育方面的研究。Email:gyq2001@163.com
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