黄栌群落优势种群生态位研究

林业资源管理 ›› 2011, Vol. 0 ›› Issue (4): 66-70.

黄栌群落优势种群生态位研究

罗燕涛¹, 苗萌萌¹, 刘小霞¹, 孟玉艳¹, 宋娇娇¹, 张峰^1,2

1.山西大学生命科学学院,太原 030006;
2.山西大学黄土高原研究所,太原 030006

收稿日期:2011-03-31 修回日期:2011-05-03 出版日期:2011-08-28 发布日期:2020-12-21
通讯作者: 张峰,博导,主要从事生态教学和科研工作。Email:fzhang@sxu.edu.cn
作者简介:罗燕涛(1988-),女,山西长治人,本科生。Email:yantao.luo@163.com
基金资助:
山西省自然科学基金(2006011077);山西省回国留学人员科研资助项目 (20100012);山西大学大学生创新实验项目

Niche Characteristics of Dominant Populations in Cotinus coggygria var. pubescens Communities,Shanxi

LUO Yantao¹, MIAO Mengmeng¹, LIU Xiaoxia¹, MENG Yuyan¹, SONG Jiaojiao¹, ZHANG Feng^1,2

1. Life Science School,Shanxi University,Taiyuan 030006,China;
2 .Institute of Loess Plateau,Shanxi University,Taiyuan 030006,China

Received:2011-03-31 Revised:2011-05-03 Online:2011-08-28 Published:2020-12-21

摘要/Abstract

摘要： 应用Shannon-Wiener指数和Pianka重叠指数的方法,对山西中条山黄栌群落24个优势种群的生态位宽度和生态位重叠进行了研究。结果表明:黄栌和黄刺玫的生态位宽度最大,这直接反映了它们作为建群种在黄栌群落中的优势地位。黄栌和黄刺玫种间具有最大的重叠值,这是因为他们高居灌木层第一亚层,具有相似的资源利用方式,对光资源的需求较为强烈所致。黄栌与山蒿也有较大的重叠值,这是由于他们处于不同的亚层,皆为阳生植物,必然会在光资源利用方面存在竞争。灌木层植物间的重叠值大于草本层植物间的重叠,这是由于草本植物种间生态习性差异较大所致。

关键词: 黄栌群落, 优势种群, 生态位宽度, 重叠, 中条山

Abstract: The niche breadth and niche overlapping of 24 dominant species in Cotinus coggygria var. pubescens communities in Zhongtiao Mountains,Shanxi were studied by using Shannon-Wiener’s index and Pianka’s index. The results indicated that the niche breadths of C. coggygria var. pubescens and Rosa xanthina were the biggest,which directly reflected their dominant positions as constructives in C. coggygria var. pubescens communities. The overlapping of C. coggygria var. pubescens and R. xanthina was the biggest among all of species,and the reason was that they were both in the first subshell of the shrub layer and they shared resources in the similar way which approved their occupation on sufficient natural resources. Moreover,the specific overlapping between C. coggygria var. pubescens and Artemisia branyliba was bigger than that on other pair-species because they occupied different sub-layer in the communities and were sun plants that resulted in competition for light resource. The overlapping among species in the shrub layers were more than that in the herb layer,it resulted from that there were more different ecological characteristics among the herbs.

Key words: Cotinus coggygria var. pubescens community, dominant population, niche breadth, niche overlapping, Zhongtiao Mountains

中图分类号:

Q948
S718.5

罗燕涛, 苗萌萌, 刘小霞, 孟玉艳, 宋娇娇, 张峰. 黄栌群落优势种群生态位研究[J]. 林业资源管理, 2011, 0(4): 66-70.

LUO Yantao, MIAO Mengmeng, LIU Xiaoxia, MENG Yuyan, SONG Jiaojiao, ZHANG Feng. Niche Characteristics of Dominant Populations in Cotinus coggygria var. pubescens Communities,Shanxi[J]. FOREST RESOURCES WANAGEMENT, 2011, 0(4): 66-70.

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