上海市地面藓类植物生态位研究

应用生态学报 ›› 2005, Vol. 16 ›› Issue (1): 39-43.

上海市地面藓类植物生态位研究

陈怡¹, 曹同^1,2, 宋国元¹, 于晶¹

1. 上海师范大学生命与环境科学学院, 上海, 200234;
2. 中国科学院沈阳应用生态研究所, 沈阳, 110016

收稿日期:2004-05-17 修回日期:2004-06-30 出版日期:2005-01-15 发布日期:2005-01-15
通讯作者: 曹同
基金资助:
国家自然科学基金项目(30170076,30370111,90202019)和上海高校科学发展重点基金资助项目(01D032和02D247).

Niche of the mosses on floor in Shanghai city

CHEN Yi¹, CAO Tong^1,2, SONG Guoyuan¹, YU Jing ¹

1. College of Life and Environment Science, Shanghai Normal University, Shanghai 200234, China;
2. Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China

Received:2004-05-17 Revised:2004-06-30 Online:2005-01-15 Published:2005-01-15

摘要/Abstract

摘要： 在上海市市区和西部郊区主要公园,以及吴泾化工厂和吴淞化工厂,共设立22个样点,调查发现共有7种地面藓类植物.根据Levins公式计算了7种藓类植物的生态位宽度.结果表明,藓类植物种数与生态位宽度符合:N=0.344×e^-0.0377B,R=0.9684.大部分地面藓类植物生态位宽度很窄,68%种类生态位宽度小于0.1,因而在苔藓植物保护中应特别注意对小生境的保护.运用王刚的生态位重叠公式计测了其中重要值大于0.1的39种主要藓类植物的生态位重叠值,应用主坐标排序法和最小生成树法对它们进行分类.结果表明,这39种藓类植物可被分成5个生态类群,与生境有一定关系.

关键词: 藓类植物, 上海, 生态位宽度, 生态位重叠

Abstract: The mosses on the floor of 22 sites at 20 main parks and 2 chemical plants in Shanghai were sampled,and 75 moss species were recorded.Their niche breadths were calculated by Levins equation.The results indicated that most moss species had rather narrow niche breadth,68% of them with a niche breadth less than 0.1.The relationship between species number (N) and their niche breadth (B) followed the model N=0.344譭^-0.0377B,R=0.9684.The niche overlaps of 39 main moss species (important value >0.1) were calculated by Wang's equation.Based on their niche overlaps,the ordination plot of Principal Axes Analysis (PAA) and the Minimal Spanning Tree (MST) were drawn.The results showed that five ecological groups of the 39 moss species related to different habitats could be identified.

Key words: Moss, Shanghai, Niche breadth, Niche overlaps

中图分类号:

Q914.84

陈怡, 曹同, 宋国元, 于晶. 上海市地面藓类植物生态位研究[J]. 应用生态学报, 2005, 16(1): 39-43.

CHEN Yi, CAO Tong, SONG Guoyuan, YU Jing . Niche of the mosses on floor in Shanghai city [J]. Chinese Journal of Applied Ecology, 2005, 16(1): 39-43.

参考文献

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