龙角山林区维管植物物种多样性

生态学杂志

龙角山林区维管植物物种多样性

王应刚¹;朱宇恩¹;张秋华¹;张峰²

¹山西大学环境与资源学院，太原 030006；
²山西大学生命科学与技术学院，太原 030006

收稿日期:2006-04-07 修回日期:2006-07-18 出版日期:2006-12-10 发布日期:2006-12-10

Species diversity of wild vascular plants in Longjiao Mountain forest area

WANG Yinggang¹;ZHU Yuen¹;ZHANG Qiuhua¹;ZHANG Feng²

¹College of Environment and Resource, Shanxi University, Taiyuan 030006, China;
²College of Life Science and Technology, Shanxi University, Taiyuan 030006, China

Received:2006-04-07 Revised:2006-07-18 Online:2006-12-10 Published:2006-12-10

摘要/Abstract

摘要： 以龙角山地区216个样方的调查资料为基础，用Shannon-Wiener多样性指数和S￠rensen 相似性指数,研究了龙角山林区野生维管植物物种多样性的空间分异规律及其原因。结果表明，乔木层物种多样性比较低，而灌木层和草本层的物种多样性则比较高；野生维管植物物种多样性随海拔高度的升高而降低；不同坡向的野生维管植物物种多样性存在着差异，北坡>东坡和西坡>南坡；坡向和海拔是影响该地区野生维管植物物种多样性空间分布的主要因子。坡向对当地的野生维管植物物种组成成分也有明显影响，其中北坡与南坡之间的野生维管植物物种组成差异最大，东坡与西坡之间的野生维管植物组成差异最小；海拔高程的变化对野生维管植物物种组成也有影响，但影响不明显。

关键词: 费氏中华根瘤菌HN01DL, 大豆根圈, 定殖, 结瘤, 发光酶标记基因

Abstract: Based on the investigation data of 216 sampling plots, and by using Shannon-Wiener and S￠rensen indices, this paper analyzed the spatial distribution pattern of wild vascular plant species diversity in Longjiao Mountain forest area.The results showed that the species diversity was lower in arbor layer, but higher in shrub layer and herb layer.The species diversity decreased gradually with increasing altitude.There was a certain difference of the wild vascular plant species diversity on different slope direction, with the sequence of north slope>east and west slope>south slope. Slope direction and altitude were the main factors affecting the spatial distribution pattern of wild vascular plant species diversity in the area.Slope direction also affected the species composition of the wild vascular plants, with the most obvious difference between north and south slope, and the least one between east and west slope. On this aspect, the effect of altitude was not so obvious.

Key words: Sinorhizobium fredii HN01DL, Glycine max rhizosphere, Root colonization, Nodulation, luxAB

王应刚;朱宇恩;张秋华;张峰. 龙角山林区维管植物物种多样性[J]. 生态学杂志.

WANG Yinggang¹;ZHU Yuen¹;ZHANG Qiuhua¹;ZHANG Feng² . Species diversity of wild vascular plants in Longjiao Mountain forest area[J]. cje.

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