[1]司彬,姚小华,任华东,等.滇东喀斯特植被恢复演替过程中土壤理化性质分析[J].水土保持研究,2009,16(01):145-148.
　SI Bin,YAO Xiao-hua,REN Hua-dong,et al.Study on Soil Physical and Chemical Properties in the Process of Vegetation Succession in Karst Area of Eastern Yunnan[J].Research of Soil and Water Conservation,2009,16(01):145-148.
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滇东喀斯特植被恢复演替过程中土壤理化性质分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 16 期数: 2009年01期 页码: 145-148 栏目: 出版日期: 2009-02-20
Title:
Study on Soil Physical and Chemical Properties in the Process of Vegetation Succession in Karst Area of Eastern Yunnan
作者:
司彬1,2,3, 姚小华1, 任华东1, 李生1, 何丙辉2
1. 中国林业科学研究院亚热带林业研究所, 浙江 富阳 311400;
2. 西南大学 资源环境学院, 重庆 北碚 400716;
3. 中共水城县委办公室, 贵州 水城 553600
Author(s):
SI Bin1,2,3, YAO Xiao-hua1, REN Hua-dong1, LI Sheng1, HE Bing-hui2
1. Research Institute of Subtropical Forestry, CAF, Fuyang, Zhejiang 311400, China;
2. School of Resources and Environment, Southwest University, Beibei, Chongqing 400716, China;
3. The Committee of Shuicheng Country C.C.P, Shuicheng, Guizhou 553600, China
关键词:
喀斯特植被; 石漠化; 植被恢复; 土壤养分; 滇东
Keywords:
karst vegetation; rocky desertification; restoring of vegetation; nutritions of soil; eastern of Yunnan
分类号:
S158.1;X171.4
摘要:
滇东喀斯特地区石漠化后，植被自然恢复演替过程可分为草丛阶段、草灌阶段、灌木林阶段、次生乔木林阶段、滇石栎和高山栎林阶段、麻栎和高山栎林阶段、高山栎林阶段。以“空间代替时间”的方法研究各演替阶段土壤理化性质。结果表明，在滇东喀斯特植被自然恢复演替过程中，土壤容重从草灌阶段开始降低，到麻栎和高山栎林阶段降到最低，在高山栎林阶段有所回升，而空隙度的变化则正好相反；在整个演替过程中，土壤均为弱酸性；土壤中有机质和速效养分含量均从草灌阶段开始增加，到高山栎林阶段达到最大；全氮含量从草灌阶段开始增加，到高山栎林阶段达到最大；全磷含量分阶段增加，两个峰值分别出现在滇石栎和高山栎林阶段、高山栎林阶段；全钾含量随演替进行上升到滇石栎和高山栎林阶段达到最大后逐渐下降。
Abstract:
The process of natural succession of restoring vegetation in eastern Yuannan after rocky desertification in Karst area appearing was divided into the herbosa stage, the stage of herbosa-shrub, the shrub stage, the stage of subaltern tree forest, the stage of Lithocarpus dealbatus-Quercus aquifolioies forest, the stage of Sawtooth oak-Quercus aquifolioies forest and the stage of Quercus aquifolioies forest. The physical and chemical properties of soil were studied by using space insteading of time. The results showed that, in the process of vegetation succession in Karst area in eastern Yunnan, the bulk density of soil decreased gradually from the stage of herbosa-shrub, and the least value appeared in the stage of Sawtooth oak-Quercus aquifolioies forest, then the bulk density of soil rose in the stage of Quercus aquifolioies forest. But the soil porosity was contrary to the bulk density of soil. The soil was weak acid in the whole proless of succession. The content of OM, virtual nutritions and total N rose from the stage of herbosa-shrub and reached the most value in the stage of Quercus aquifolioies forest. The content of total P rose firstly, then decreased, rosed finally and the two peaks of wave appeared in the stage of Lithocarpus dealbatus-Quercus aquifolioies forest and the stage of Quercus aquifolioies forest. The content of total K rosed gradually and reached the most in the stage of Lithocarpus dealbatus-Quercus aquifolioies forest, then decreased.

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备注/Memo

收稿日期:2008-6-24。
基金项目:国家“十一五”科技支撑计划专题“石漠化综合治理与植被恢复技术研究”（2006BAD03A0303）；国家林业重点工程科技支撑项目“喀斯特石漠化地区植被恢复与重建技术研究” （[2003]88-1）；“南方石漠化山地植被恢复技术应用示范”（林计批字2006-3）；科技部公益项目“石漠化植被恢复技术支持体系构建”（2005DIB3J146）
作者简介:司彬（1983－），男，贵州盘县人，硕士，主要从事喀斯特植被恢复和区域水土资源研究。E-mail：sibin81@126.com
通讯作者:姚小华（1962－），男，浙江天台人，研究员，博士生导师，主要从事经济林育种与栽培、喀斯特石漠化地区生态重建技术研究。E-mail：yaoxh168@163.com

更新日期/Last Update: 1900-01-01