| 南川金佛山甑子岩灌丛群落优势种群生态位特征 |
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| 引用本文： | 汪建华,赵群芬,李旭光.南川金佛山甑子岩灌丛群落优势种群生态位特征[J].四川师范大学学报(自然科学版),2001,24(5):499-502. |
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| 作者姓名： | 汪建华 赵群芬 李旭光 |
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| 作者单位： | 1. 涪陵师范高等专科学校生物系
2. 西南师范大学生命科学学院 |
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| 基金项目： | 国家自然科学基金资助项目(39570130) |
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| 摘 要： | 利用Levins,Hurlberty生态位宽度公式和Pianka生态位重叠公式测定了金佛山甑子岩灌丛群落中9个优势种群的生态位宽度和生态位重叠，并对生态位宽度，生态位重叠以及种间联结性的关系进行了初步探讨，结果表明，灌丛群落中主要优势种群的生态宽度较大，具有相同或相似环境要求的物种间生态位重叠较大，生态位宽度较大的物种与其它种群间的生态位重叠较大，种间正联结性越强，其生态位重叠值越大，种间负联结性越强，其生态位重叠值越小。
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| 关 键 词： | 灌木种群 生态位宽度 生态位重叠 南川 金佛山 优势种群 种间联结性 |
| 文章编号： | 1001-8395(2001)05-0499-04 |
| 修稿时间： | 2001年4月17日 |
Niche Characteristics of Shrub Dominant Population in Zengziyan of Jinfo Mountain, Nanchuan County |
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| WANG Jian hua ,ZHAO Qun fen ,LI Xu guang.Niche Characteristics of Shrub Dominant Population in Zengziyan of Jinfo Mountain, Nanchuan County[J].Journal of Sichuan Normal University(Natural Science),2001,24(5):499-502. |
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| Authors: | WANG Jian hua ZHAO Qun fen LI Xu guang |
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| Institution: | WANG Jian hua 1,ZHAO Qun fen 2,LI Xu guang 2 |
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| Abstract: | In this paper, the niche breadths and overlaps of 9 dominant species of shrub in Zengziyan of Jinfo Mountain are measured by using the formulas described by Levins, Hurlbert and Pianka, and the relationships among niche breadth, niche overlap and interspecific association are discussed. The results show that the niche breadths of main dominant species, the niche overlaps among the species with the same or similar environment requirements, and the overlaps between the species with broad niche breadth and other species are much large. The more intense the positive association of the interspecies, the larger the value of niche overlap is, and the more intense the negative association, the smaller the value of niche overlap is. |
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| Keywords: | Shrub population Niche breadth Niche overlap |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
