缺苞箭竹密度对其生物量分配格局的影响

应用生态学报 ›› 2005, Vol. 16 ›› Issue (6): 991-995.

缺苞箭竹密度对其生物量分配格局的影响

吴福忠^1,3, 王开运^1,2, 杨万勤¹, 鲁叶江^1,3

1. 中国科学院成都生物研究所, 成都 610041;
2. 华东师范大学, 上海市城市化过程和生态恢复重点实验室, 上海 200062;
3. 中国科学院研究生院, 北京 100039

收稿日期:2004-05-14 修回日期:2004-08-16 出版日期:2005-06-15 发布日期:2005-06-15
通讯作者: 王开运
基金资助:
国家自然科学基金重大项目(90202010)、中芬国际合作项目(30211130504)、中国科学院"百人计划"项目(01200108B)和国家自然科学基金资助项目(304713781).

Effects of Fargesia denudata density on its biomass distribution pattern

WU Fuzhong^1,3, WANG Kaiyun^1,2, YANG Wanqin¹, LU Yejiang^1,3

1. Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China;
2. Shanghai Key Laboratory of Vnbanization processes and Ecological Restoration, East China Normal University, Shanghai 200062, China;
3. Graduated School of Chinese Academy of Sciences, Beijing 100039, China

Received:2004-05-14 Revised:2004-08-16 Online:2005-06-15 Published:2005-06-15

摘要/Abstract

摘要： 研究了一个生长季节内缺苞箭竹(Fargesiadenudata)紫果云杉(Piceapurpurea)原始林下不同密度缺苞箭竹群落的生物量及其分配格局.结果表明,缺苞箭竹群落生物量、净生产量、平均单株生物量、地上部分生物量、地下部分生物量随密度的增加而增大,而缺苞箭竹地上部分净增长率却随密度的增加而降低.在一个生长季节内,缺苞箭竹地上部分与地下部分生长相关性随密度的增加而增大.除指数生长期(7、8月)外,缺苞箭竹地上部分/地下部分生物量比在生长季节内随密度增加而增大,但在缺苞箭竹生长的指数生长期,中等密度有较大的地上部分/地下部分生物量比.缺苞箭竹生物量在各器官的分配取决于密度和生长时期,密度对缺苞箭竹的生物量分配格局有显著影响.

关键词: 缺苞箭竹, 密度, 生物量分配格局

Abstract: In this paper,the effects of Fargesia denudata density on its biomass distribution pattern were studied in the primitive Fargesia denudata-Picea purpurea forest from May to October,2003.The results showed that with increasing stem density,the total biomass,above-and below-ground biomass,net production,and average stem biomass of the bamboo were all increased,while the net increment of aboveground biomass decreased.The relationship between above-and below-ground biomass in the bamboo communities was also regulated by the stem density,with the correlation coefficient increased with the density.Except for the exponential period (July and August),the ratio of above-/below-ground biomass increased with the density,and the moderate density (140?7 stems穖^-2) had the highest ratios of above-/below-ground biomass.The biomass distribution pattern of different organs depended on both stem density and growth period,and stem density played a significantly important role in the distribution pattern of bamboo biomass.

Key words: Fargesia denudata, Density, Biomass distribution pattern

中图分类号:

S795.2

吴福忠, 王开运, 杨万勤, 鲁叶江. 缺苞箭竹密度对其生物量分配格局的影响[J]. 应用生态学报, 2005, 16(6): 991-995.

WU Fuzhong, WANG Kaiyun, YANG Wanqin, LU Yejiang. Effects of Fargesia denudata density on its biomass distribution pattern[J]. Chinese Journal of Applied Ecology, 2005, 16(6): 991-995.

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