[1]文璐,刘晶岚,习妍,等.北京地区重要古树土壤物理性状分析[J].水土保持研究,2011,18(05):175-178.
　WEN Lu,LIU Jing-lan,XI Yan,et al.Analysis on Soil Physical Properties of the Old Trees in Beijing[J].Research of Soil and Water Conservation,2011,18(05):175-178.
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北京地区重要古树土壤物理性状分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 18 期数: 2011年05期 页码: 175-178 栏目: 出版日期: 2011-10-20
Title:
Analysis on Soil Physical Properties of the Old Trees in Beijing
作者:
文璐1, 刘晶岚1, 习妍1, 张振明1, 王小平2, 陈俊崎2, 王春能2
1. 北京林业大学 自然保护区学院, 北京 100083;
2. 北京市园林绿化国际项目合作管理办公室, 北京 100029
Author(s):
WEN Lu1, LIU Jing-lan1, XI Yan1, ZHANG Zhen-ming1, WANG Xiao-ping2, CHEN Jun-qi2, WANG Chun-neng2
1. College of Nature Conservation, Beijing Forestry University, Beijing 100083, China;
2. Bejing Forestry and Parks Department of International Cooperation, Bejing 100029, China
关键词:
古树; 土壤含水量; 容重; 孔隙度; 土壤紧实度
Keywords:
old tree; soil water content; bulk density; soil porosity; soil compaction
分类号:
S714.2
摘要:
以北京地区的代表性古树白皮松、侧柏、油松和国槐为研究对象，采用环刀法和烘干法对其土壤物理性质进行了测定，分析了不同类型古树土壤物理特性状况，为古树种的健康生长评价提供有效依据，并在一定程度上指导古树的复壮技术等。结果表明：（1）土壤含水量均值为10.6%，4种古树的土壤含水量均值表现为白皮松>油松>国槐>侧柏；（2）土壤容重均值为1.20 g/cm3，4种古树之间的差异不显著；（3）土壤的总孔隙度、毛管孔隙度和非毛管孔隙度的均值分别为20.7%，11.8%，9.0%，4种古树差异不显著，土壤通透性均不良。（4）土壤紧实度均值为2.19 kg/m2，地域性差异显著。通过本文研究，可初步判断这4种古树的土壤物理条件并不是最适合植物生长的状态。
Abstract:
As the representative of old trees, Pinus bungeanaas, Pinus tabulaeformis, Platycladus orientalis and Sophora Japonica were selected as the examples. Adopting cutting ring method and drying method, their soil physical properties were determined and analyzed in order to provide an effective basis for evaluating health of old trees and direct the rejuvenation of old trees etc. The results show that: (1)average soil water content (SWC) was 10.6%, but the SWC of different tree species are not same, and it presented as Pinus bungeanaas>Pinus tabulaeformis>Sophora japonica>Platycladus orientalis; (2)the mean bulk density of soil samples was 1.20 g/cm3, and their differences were not significant; (3)the average total porosity, mean capillary porosity and medial non-capillary porosity of soil samples were 20.7%, 11.8%, 9.0%, respectively, and there were not obvious differences among these soils supporing these species, the soil permeability is not good; (4) mean soil compaction is 2.19 kg/m2, and the regional differences are significant. In this study, we could initially determine that the soil physical conditions for the 4 tree species were not the suitable ones for plant growth.

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备注/Memo

收稿日期:2011-3-24;修回日期:2011-5-12
基金项目:林业公益性行业科研专项（200904019）；国家青年科学基金项目（41001024）；教育部博士点基金项目（20100014120011）
作者简介:文璐（1990- ），女，山东人，主要研究方向为湿地水文生态。E-mail：fly.wlyy@163.com
通讯作者:张振明（1979- ）,男,甘肃人,讲师,主要研究方向为湿地水文生态。E-mail：zhenming.zh@gmail.com

更新日期/Last Update: 1900-01-01