[1]张健,刘国彬,许明祥,等.黄土丘陵区植被次生演替灌木初期土壤物理性质特征[J].水土保持研究,2008,15(04):101-104,109.
　ZHANG Jian,LIU Guo-bin,XU Ming-xiang,et al.Soil Physical Properties of Vegetation Secondary Succession on Early Shrub Stage in Loess Hill Gully[J].Research of Soil and Water Conservation,2008,15(04):101-104,109.
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黄土丘陵区植被次生演替灌木初期土壤物理性质特征

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 15 期数: 2008年04期 页码: 101-104,109 栏目: 出版日期: 2008-08-20
Title:
Soil Physical Properties of Vegetation Secondary Succession on Early Shrub Stage in Loess Hill Gully
作者:
张健1, 刘国彬1,2, 许明祥1,2, 李小利2, 周萍2
1. 西北农林科技大学, 陕西 杨陵 712100;
2. 中国科学院 水利部 水土保持研究所, 陕西 杨陵 712100
Author(s):
ZHANG Jian1, LIU Guo-bin1,2, XU Ming-xiang1,2, LI Xiao-li2, ZHOU Ping2
1. Northwest A & FUniversity, Yangling, shaanxi 712100, China;
2. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, shaanxi 712100, China
关键词:
黄土丘陵区; 次生演替; 土壤物理性质; 灌木
Keywords:
loess hill gully; secondary succession; soil physical property; shrub
分类号:
S714.2
摘要:
研究了黄土丘陵区植被次生演替草灌过渡灌木初期的土壤物理性质特征。结果表明：当植被次生演替进展到草灌过渡灌木初期，除土壤含水量外，土壤容重、孔隙度、稳定入渗和水稳性团聚体都好于对照白羊草地，表明灌木树种定居的土壤物理条件一般要高于草本群落。植被演替的过程是植被与土壤相互作用复杂变化的过程，它们的相互反馈也是生态恢复的重要标志。随着植物群落的变化土壤也发生着不同程度变化。其中，土壤物理性质各个因子之间的变化是相互影响和相互联系的。土壤稳定入渗速率与土壤容重、土壤总孔隙度、土壤毛管孔隙度和土壤团聚体之间有显著的相关关系；土壤毛管孔隙度与土壤非毛管孔隙度线性显著负相关；土壤容重与土壤总孔隙度极显著负相关。
Abstract:
This paper studied the characteristics of soil physical properties during vegetation secondary succession from herb stage to shrub stage in loess hill gully.The results indicated that shrubs soil bulk density,porosity degree,soil infiltration and soil water stable aggregates was better than that of Bothriochloa ischaemun field.But soil water content is an exception.Soil physical properties of shrub tree were higher than that of herb community.The process of vegetation succession is an interaction and complicated changed process between vegetation and soil.Plant-soil interaction is the most important feedback in the processes of restoration and succession.Soil has different degree change with the change of plant communities.Thereinto,the change of different soil physical property factors is reciprocally influencing and relation.The soil infiltration rates has significant linear correlation with soil bulk density,total porosity,capillary porosity and soil water stable aggregate.Capillary porosity has negative linear correlation with non-capillary porosity (P<0.05).Soil bulk density has significant negative linear correlation with total porosity (P<0.01).

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备注/Memo

收稿日期:2007-12-27。
基金项目:国家自然科学基金重点项目 （90502007）；国家重点基础研究发展计划（2007CB407205）；中国科学院知识创新项目（KZCX2-XB2-05-03）
作者简介:张健（1980- ），男，吉林梨树人，在读硕士，主要从事植被恢复与环境效应方面的研究。E-mail：zhangjian12102@163.com
通讯作者:许明祥（1972- ），男，陕西吴旗人，副研究员，主要从事土壤侵蚀方面的研究。E-mail：xumx@nwsuaf.edu.cn

更新日期/Last Update: 1900-01-01