红花尔基地区沙地樟子松群落及其与环境关系研究

生态学杂志 ›› 2005, Vol. ›› Issue (8): 858-862.

红花尔基地区沙地樟子松群落及其与环境关系研究

刘康¹, 王效科², 杨帆¹, 郭然², 吴庆标²

1. 西北大学城市与资源学系, 西安, 710069;
2. 中国科学院生态环境研究中心, 北京, 100085

收稿日期:2004-12-02 修回日期:2005-01-12 出版日期:2005-08-10
基金资助:
国家自然科学基金资助项目(40071036).

Piuns sylvestris community on Honghuaerji sandy land and its relationship with environmental factors

LIU Kang¹, WANG Xiaoke², YANG Fan¹, GUO Ran², WU Qingbiao²

1. Department of Urban and Resource Science, Northwest University, Xi'an 710069, China;
2. Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China

Received:2004-12-02 Revised:2005-01-12 Online:2005-08-10

摘要/Abstract

摘要： 通过野外调查,采用双向指示种分类(TWINSPAN)和除趋势典范对应分析(DCCA)方法,对内蒙古红花尔基地区沙地樟子松群落进行了分类和排序,并根据DCCA排序结果对樟子松群落和物种空间分布格局及其与环境因子之间关系进行定量分析。结果表明,应用TWINSPAN方法将该区沙地樟子松植被划分为6个类型。DCCA分析表明,海拔高度、地貌类型、群落盖度、土壤总碳含量、土壤总氮含量、乔木胸面积等因子对植物群落和物种分布格局影响明显。在DCCA排序图上,樟子松群落及物种的空间分布呈明显的聚集格局,可划分出不同的类群,并反映与环境因子之间具有密切的关系。对各类环境因子解释植被分布格局的作用进行了定量分解,指出地形因素是解释作用最强的变量,对未能解释部分的原因进行了分析。

关键词: 西施舌, 耗氧率, 排氨率

Abstract: Based on field investigation and employing two-way indicator species analysis (TWINSPAN) and canonical correspondence analysis (DCCA),this paper classified and collated the Pinus sylvestris community on Honghuaerji sandy land.Quantitative analysis was carried out on the spatial pattern of the community and its relationship with environmental factors.The results showed that P.sylvestris community could be classified into 6 types.Altitude,physiognomy,canopy of community,overall contents of soil C and N,and chest area of arbor influenced the plant community and its spatial pattern distinctly.The spatial pattern of the community species presented obvious collective pattern in DCCA taxis,which could be divided into different swarm and reflect significant correlation with environmental factors.Environmental factors contributed to the vegetation distribution pattern were quantitatively analyzed,among which,topography was the strongest variable.The reasons which were not able to explain were discussed.

Key words: Coelomactra antiquata, Oxygen consumption rate, Ammonia-N excretion rate

中图分类号:

S718

刘康, 王效科, 杨帆, 郭然, 吴庆标. 红花尔基地区沙地樟子松群落及其与环境关系研究[J]. 生态学杂志, 2005, (8): 858-862.

LIU Kang, WANG Xiaoke, YANG Fan, GUO Ran, WU Qingbiao. Piuns sylvestris community on Honghuaerji sandy land and its relationship with environmental factors[J]. cje, 2005, (8): 858-862.

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