甘肃小陇山锐齿栎群落生物量动态研究

生态学杂志 ›› 2005, Vol. ›› Issue (4): 377-381.

甘肃小陇山锐齿栎群落生物量动态研究

索安宁^1,2, 巨天珍², 张俊华², 葛剑平¹

1. 北京师范大学生命科学学院, 北京, 100875;
2. 西北师范大学地理与环境科学学院, 兰州, 730070

收稿日期:2003-03-18 修回日期:2004-11-02 出版日期:2005-04-10
通讯作者: 巨天珍
基金资助:
西北师范大学知识与科技创新工程基金(NWNU-KJCX-02-20);国家基础研究重大规划资助项目(973)(2002CB111507)

Biomass structure of Quercus aliena var.acuteserrata community on Mt.Xiaolongshan in Gansu

SUO Anning^1,2, JU Tianzhen², ZHANG Junhua², GE Jianping ¹

1. College of Life Science, Beijing Normal University, Beijing 100875, China;
2. College of Geography and Environment, Northwest Normal University, Lanzhou 730070, China

Received:2003-03-18 Revised:2004-11-02 Online:2005-04-10

摘要/Abstract

摘要： 对甘肃小陇山天然锐齿栎群落乔木层生物量进行了测定和研究.结果表明,天然锐齿栎群落乔木层生物量为183.66 t·hm²,其中以锐齿栎为主的慢生树种占64.89%,中速生树种占33.40%,针叶树种占1.38%.乔木层生物量随着锐齿栎群落发育年龄的增长,积累增多,各器官具有不同的增长速度,到群落发育成熟时群落总生物量的和各器官生物量都达到最大值,群落进一步发育,总生物量趋于稳定,部分器官生物量有所衰减.群落发育过程中,慢生树种生物量比例趋于增大,中速生树种生物量比例逐渐减少,直到发育末期,随着优势种-锐齿栎的衰败,其生物量比例有所减少,中速生树种生物量的比例相应又有所增大,针叶树种在整个发育过程中生物量所占比例很小.

关键词: 川鄂连蕊茶, 生态对策, 适合度, 生殖值

Abstract: This paper studied tree layer biomass dynamics of natural Quercus aliena var. acuteserrata community on Mt.Xiaolongshan in Gansu.The results showed that the tree layer biomass of Quercus aliena var. acuteserrata community was 183.66t穐m^-2,in which slow growth trees took 64.89% of total biomass; common-fast growth trees amounted to 33.40%,and pine trees accounted for 1.38%.The organs biomass was in order of trunk>root> branch>leaf.The tree biomass accumulated with the development of community.The total biomass and the biomass of organs was the highest in the mature community and became stable with the community developing further.The relative growth rate of organs was in order of trunk>branch>root>leaf.The biomass ratio of slow growth trees trended to increase and that of common-fast trees to decrease with the community developing,which turned inverse in the decline development stage.The biomass of conifers was very small throughout the development process.

Key words: Camellia rosthorniana, Bionomic strategies, Fitness, Reproductive value

中图分类号:

S718.5

索安宁, 巨天珍, 张俊华, 葛剑平. 甘肃小陇山锐齿栎群落生物量动态研究[J]. 生态学杂志, 2005, (4): 377-381.

SUO Anning, JU Tianzhen, ZHANG Junhua, GE Jianping . Biomass structure of Quercus aliena var.acuteserrata community on Mt.Xiaolongshan in Gansu[J]. cje, 2005, (4): 377-381.

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