Ordination as a tool to characterize soil particle size distribution, applied to an elevation gradient at the north slope of the Middle Kunlun Mountains
Gui; Dongwei; Lei; Jiaqiang; Zeng; Fanjiang; Runge; Michael; Mu; Guijin; Yang; Faxiang; Zhu; Juntao; Lei, JQ, Chinese Acad Sci, Xinjiang Inst Ecol & Geog, 818 Beijing S Rd, Urumqi 830011, Peoples R China
2010
Source PublicationGEODERMA
ISSN0016-7061
Volume158Issue:40606Pages:352-358
AbstractSoil particle-size distribution (PSD) is one of the most fundamental physical attributes of soil due to its strong influence on other soil properties related to water movement, productivity, and soil erosion. Characterizing variation of PSD in soils is an important issue in environmental research. Using ordination methods to characterize particle size distributions (PSDs) on a small-scale is very limited. In this paper, we selected the Cele River Basin on the north slope of the Middle Kunlun Mountains as a study area and investigated vegetation and soil conditions from 1960 to 4070 m a.s.l. Soil particle-size distributions obtained by laser diffractometry were used as a source data matrix. The Canonical Correspondence Analysis (CCA) ordination was applied to analyse the variation characteristics of PSDs and the relationships between PSDs and environmental factors. Moreover, single fractal dimensions were calculated to support the interpretation of the ordination results. Our results indicate that a differentiation of 16 particle fractions can sufficiently characterize the PSDs in CCA biplots. Elevation has the greatest effect on PSDs: the soil fine fractions increase gradually with increasing elevation. In addition, soil pH, water and total salt content are significantly correlated with PSDs. CCA ordination biplots show that soil and vegetation patterns correspond with one another, indicating a tight link between soil PSDs and plant communities on a small scale in arid regions. The results of fractal dimensions analysis were rather similar to CCA ordination results, but they yielded less detailed information about PSDs. Our study shows that ordination methods can be beneficially used in research into PSDs and, combined with fractal measures, can provide comprehensive information about PSDs. Crown Copyright (C) 2010 Published by Elsevier B.V. All rights reserved.
Department[Gui, Dongwei; Lei, Jiaqiang; Zeng, Fanjiang; Mu, Guijin; Yang, Faxiang; Zhu, Juntao] Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Urumqi 830011, Peoples R China; [Gui, Dongwei; Zhu, Juntao] CAS, Grad Sch, Beijing 10039, Peoples R China; [Gui, Dongwei; Lei, Jiaqiang; Zeng, Fanjiang; Mu, Guijin; Yang, Faxiang; Zhu, Juntao] Cele Natl Stn Observat & Res Desert Grassland Eco, Cele 848300, Xinjiang, Peoples R China; [Runge, Michael] Univ Gottingen, Albrecht von Haller Inst Plant Sci, Dept Plant Ecol, D-37073 Gottingen, Germany
KeywordHorqin Sandy Land Fractal Model Vegetation Restoration Environmental-factors Plant-communities Loess Plateau China Classification Chronosequence Fragmentation
Subject Area调查与分析
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.xjlas.org/handle/365004/9898
Collection中国科学院新疆生态与地理研究所(2010年以前数据)
Corresponding AuthorLei, JQ, Chinese Acad Sci, Xinjiang Inst Ecol & Geog, 818 Beijing S Rd, Urumqi 830011, Peoples R China
Recommended Citation
GB/T 7714
Gui,Dongwei,Lei,et al. Ordination as a tool to characterize soil particle size distribution, applied to an elevation gradient at the north slope of the Middle Kunlun Mountains[J]. GEODERMA,2010,158(40606):352-358.
APA Gui.,Dongwei.,Lei.,Jiaqiang.,Zeng.,...&Lei, JQ, Chinese Acad Sci, Xinjiang Inst Ecol & Geog, 818 Beijing S Rd, Urumqi 830011, Peoples R China.(2010).Ordination as a tool to characterize soil particle size distribution, applied to an elevation gradient at the north slope of the Middle Kunlun Mountains.GEODERMA,158(40606),352-358.
MLA Gui,et al."Ordination as a tool to characterize soil particle size distribution, applied to an elevation gradient at the north slope of the Middle Kunlun Mountains".GEODERMA 158.40606(2010):352-358.
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