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	Evaluation of soil fertility under different cupressus chengiana forests using multivariate approach
	Pang Xue-Yong; Bao Wei-Kai; Zhang Yong-Mei
刊名	Pedosphere
	2006-10-01
卷号	16期号:5页码:602-615
关键词	Cluster analysis Cupressus chengiana Dry valley Principal component analysis Soil fertility
ISSN号	1002-0160
通讯作者	Bao wei-kai(baowk@cib.ac.cn)
英文摘要	The distribution and growing conditions of cupressus chengiana forests along with the physical and chemical properties of soils in northwest sichuan were studied in 2002 to investigate the conditions and characteristics of soil fertility of c. chengiana and to compare and investigate differences of soil fertility for six c. chengiana populations and their relationships with vegetation, climate and disturbance. the results of the study at 0-20 cm soil depth showed that 1) significant differences (p < 0.05) existed among populations for soil bulk density, soil total porosity, capillary porosity, maximum water-holding capacity, capillary water-holding capacity and topsoil natural water content; 2) chemical characteristics of soil organic matter, total n, total p, alkali-hydrolyzable n, available p, available k and cation exchange capacity were significantly different among the populations; and 3) based on the significant effect of soil fertility factors on forest growth, soil physical and chemical characteristics could be selected as an integrated fertility index (ifi) for evaluation of different c. chengiana populations. principal component and cluster analyses showed significant differences probably due to the difference of vegetation conditions, management measurements, human-induced disturbances and environmental factors. in order to protect the soil ecological functions in fragile ecological regions, c. chengiana could be used in programs enclosing the hill for natural afforestation, natural forest protection programs, and programs replacing agriculture with afforestation measures.
WOS关键词	PHYSICAL-PROPERTIES ; MICROBIAL BIOMASS ; MANAGEMENT ; INDICATORS ; AUSTRALIA ; QUALITY ; PLATEAU
WOS研究方向	Agriculture
WOS类目	Soil Science
语种	英语
出版者	SCIENCE CHINA PRESS
WOS记录号	WOS:000240820200008
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2378944
专题	中国科学院大学
通讯作者	Bao Wei-Kai
作者单位	1.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China 2.Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Peoples R China
推荐引用方式 GB/T 7714	Pang Xue-Yong,Bao Wei-Kai,Zhang Yong-Mei. Evaluation of soil fertility under different cupressus chengiana forests using multivariate approach[J]. Pedosphere,2006,16(5):602-615.
APA	Pang Xue-Yong,Bao Wei-Kai,&Zhang Yong-Mei.(2006).Evaluation of soil fertility under different cupressus chengiana forests using multivariate approach.Pedosphere,16(5),602-615.
MLA	Pang Xue-Yong,et al."Evaluation of soil fertility under different cupressus chengiana forests using multivariate approach".Pedosphere 16.5(2006):602-615.

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