川鄂连蕊茶种群生殖力分析

应用生态学报 ›› 2004, Vol. ›› Issue (3): 363-366.

川鄂连蕊茶种群生殖力分析

操国兴^1,3, 钟章成², 谢德体¹, 刘芸¹

1. 西南农业大学资源与环境学院, 重庆 400716;
2. 西南师范大学生命科学学院, 重庆 400716;
3. 四川农业大学林学园艺学院, 雅安 625000

收稿日期:2002-09-10 修回日期:2003-01-10
通讯作者: 钟章成
基金资助:
国家自然科学基金项目(30370279);四川省重点学科建设资助项目

Analysis of Camellia rosthorniana populations fecundity

CAO Guoxing^1,3, ZHONG Zhangcheng², XIE Deti¹, LIU Yun ¹

1. Faculty of Resource and Enviorenment, Southwest Agricultural University, Chongqing 400716, China;
2. Faculty of Life Science, Southwest Normal University, Chongqing 400715, China;
3. Forestry and Horticultural College, Sichuan Agricultural University, Ya'an 625000, China

Received:2002-09-10 Revised:2003-01-10

摘要/Abstract

摘要： 以空间代替时间,对缙云山三种群落类型中的川鄂连蕊茶种群的大小结构进行了调查.在编制静态生命表的基础上,研编了川鄂连蕊茶种群的生殖力表、生殖表,剖析了构成川鄂连蕊茶生态对策的几个重要组成部分.结果表明,川鄂连蕊茶种群在常绿阔叶林中寿命最长,适合度最大;生殖值V_x极大值出现的时间与群落的稳定性相反.生殖值V_x、剩余生殖值RRV以及整个生活史总生殖值TRV的各累积值与r值变化一致.川鄂连蕊茶总体上属于k对策者,但在稳定性较差的生境中,各生殖参数发生变化,表现出r对策者的特征.

关键词: 川鄂连蕊茶, 生态对策, 适合度, 生殖值

Abstract: With the method of space substituting time,the structure of Camellia rosthorniana populations in three forest communities,i.e,Jiant bamboo forest,coniferous and broad-leaved mixed forest,and evergreen broad-leaved forest in Mt.Jinyun was investigated,and based on static life-tables,the fecundity tables and reproductive value tables of C. rosthorniana populations were constructed.Each reproductive parameter and its relation to bionomic strategies of C. rosthorniana populations were also analyzed.The results indicated that in evergreen broad-leaved forest,C. rosthorniana population had the longest life span and the greatest fitness. The stage of maximum reproductive value increased with increasing stability of the community. The sum of each population's reproductive value,residual reproductive value and total reproductive value for the whole life-history of C. rosthorniana also increased with increasing maturity of the community,showing their inherent relationships with reproductive fitness.As regards to bionomic strategy,C. rosthorniana showed mainly the characteristics of a k-strategies,but in less stable community,the reproductive parameters were greatly changed,showing some characteristics of a r-strategies.

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

中图分类号:

操国兴, 钟章成, 谢德体, 刘芸. 川鄂连蕊茶种群生殖力分析[J]. 应用生态学报, 2004, (3): 363-366.

CAO Guoxing, ZHONG Zhangcheng, XIE Deti, LIU Yun . Analysis of Camellia rosthorniana populations fecundity[J]. Chinese Journal of Applied Ecology, 2004, (3): 363-366.

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