A Quantitative Study on the Plant Population Phenology in Kobresia humilis Meadow

doi:10.11733/j.issn.1007-0435.2002.04.008

›› 2002, Vol. 10 ›› Issue (4): 279-286.DOI: 10.11733/j.issn.1007-0435.2002.04.008

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A Quantitative Study on the Plant Population Phenology in Kobresia humilis Meadow

ZHOU Hua-kun, ZHOU Li, ZHAO Xin-quan, LIU Wei, LI Ying-nian, YAN Zuo-liang, ZHAO Xu-xia

Northwest Plateau Institute of Biology, The Chinese Academy of Science, Xining, 810001 China

Received:2002-05-30 Revised:2002-07-17 Online:2002-11-15 Published:2002-11-15

矮嵩草草甸植物种群物候学定量研究

周华坤, 周立, 赵新全, 刘伟, 李英年, 严作良, 赵旭霞

中国科学院西北高原生物研究所, 西宁, 810001

作者简介:周华坤,(1974- ),男,在读博士生,主要从事草地生态学研究
基金资助:
国家“十五”科技攻关项目课题(2001BA606A-02);国家重点基础研究专项经费(G1998040800);中科院海北定位站基金

Abstract

Abstract: The phenological characteristics of main plant populations in Kobresia humilis meadow were measured and studied in this paper. The 19 plant populations in Kobresia humilis meadow were divided into different phenological groups with clustering analysis and principal component ordination. By the method of correlative coefficient ordination,the main ecological factors that influenced different phenological periods were listed as bellow:temperature,precipitation and sunshine hours,respectively. All of this study proved that phenological index was a good quantitative standard to show phenological pattern of alpine Kobresia humilis meadow.

Key words: Kobresia humilis meadow, Phenological index, Clustering analysis, Principal component ordination, Correlative coefficient

摘要： 通过对矮嵩草草甸主要植物种群物候特性的观测研究,采用聚类分析和主分量排序法将矮嵩草草甸19种植物种群划分为不同的物候类群。利用相关系数排序法指出了影响不同物候期的主要生态因子依次是温度、降水量和日照时数。研究结果表明,物候指数是说明高寒矮嵩草草甸物候模式的一个有用指标。

关键词: 矮嵩草草甸, 物候指数, 聚类分析, 主分量排序, 相关系数

CLC Number:

S812

ZHOU Hua-kun, ZHOU Li, ZHAO Xin-quan, LIU Wei, LI Ying-nian, YAN Zuo-liang, ZHAO Xu-xia. A Quantitative Study on the Plant Population Phenology in Kobresia humilis Meadow[J]. , 2002, 10(4): 279-286.

周华坤, 周立, 赵新全, 刘伟, 李英年, 严作良, 赵旭霞. 矮嵩草草甸植物种群物候学定量研究[J]. , 2002, 10(4): 279-286.

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A Quantitative Study on the Plant Population Phenology in Kobresia humilis Meadow

矮嵩草草甸植物种群物候学定量研究

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