[1]马祥华,焦菊英,温仲明,等.黄土丘陵沟壑区退耕地植被恢复中土壤物理特性变化研究[J].水土保持研究,2005,12(01):17-21.
　MA Xiang-hua,JIAO Ju-ying,WEN Zhong-ming,et al.The Changes of Soil Physical Properties in Abandoned Lands During Vegetation Restoration in Hilly and Gully Regions on the Loess Plateau[J].Research of Soil and Water Conservation,2005,12(01):17-21.
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黄土丘陵沟壑区退耕地植被恢复中土壤物理特性变化研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 12 期数: 2005年01期 页码: 17-21 栏目: 出版日期: 1900-01-01
Title:
The Changes of Soil Physical Properties in Abandoned Lands During Vegetation Restoration in Hilly and Gully Regions on the Loess Plateau
作者:
马祥华1,2,3, 焦菊英1, 温仲明1, 白文娟1,2,3, 焦峰1
1. 中国科学院水利部水土保持研究所;
2. 西北农林科技大学水土保持研究所, 陕西, 杨陵, 712100;
3. 中国科学院研究生院, 北京, 100039
Author(s):
MA Xiang-hua1,2,3, JIAO Ju-ying1, WEN Zhong-ming1, BAI Wen-juan1,2,3, JIAO Feng1
1. Institute of Soil and Water Conservation;
2. CAS & MWR, Northwest Sci-tech University of Agriculture and Forestry, Yangling, Shaanxi 712100, China;
3. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China
关键词:
黄土丘陵沟壑区; 退耕地; 植被恢复; 土壤物理特性
Keywords:
hilly-gully regions on the Loess Plateau; abandoned lands; vegetation restoration; soil physical properties
分类号:
S152;X176
摘要:
以黄土高原典型丘陵沟壑区——延安燕沟流域为研究对象，分析了黄土丘陵区退耕地植被恢复过程中不同恢复年限、不同植被类型以及不同恢复方式下的土壤物理变化特征，结果表明：对于土壤含水量，草地>灌木地>乔木地，自然恢复>自然+人工恢复，随着退耕年限的不断增长，上层土壤含水量不断增加，下层不断降低，随土层不断加深，其含量逐步趋于稳定；对于0～60cm土壤平均容重及孔隙度，以灌木地土壤容重相对较大，孔隙度相对较小，乔木地的容重及孔隙度的变化与灌木地相反，并且随着退耕年限的不断延长，土壤容重不断减小，孔隙度不断增加，但是不同恢复方式下土壤容重及其孔隙度变化不大；对于0～60cm土层>0.25mm土壤水稳性团聚体含量，自然恢复>自然+人工恢复，随着恢复年限的不断增长，其含量不断增加，而不同植被类型作用下的土壤水稳性团聚体含量变化不明显，但是其含量在不同土层变化差异较大。这就要求对退耕地进行植被恢复过程中，要深入了解当地的土壤环境特征，做到因地制宜，适地适树。
Abstract:
Based on the typical hilly-gully regions on the Loess Plateau-Yangou watershed, soil physical properties of different abandoned times,different types of vegetation and different restoration measures during vegetation restoration in abandoned lands were analyzed.The results showed that the soil water content of grasslands is relative higher,the one of arbour lands is relative lower,the soil water content of natural restoration is higher than the one of natural restoration with artificial measures,at the same time,the soil water content of the upper layer gradually increases and the one of the lower layer gradually decreases with the increasing abandoned times;for the average soil bulk and porosity within the depth of 0～60 cm,soil bulk of shrub lands is relative bigger,soil porosity is relative smaller,the changes of that of arbour lands is opposite to the one of shrub lands,and soil bulk gradually decreases and soil porosity gradually increases with abandoned times,the changes of that of different restoration measures is not evident;for the average content of 0.25 mm soil water-stable aggregates within the depth of 0～60 cm,the content of natural restoration is bigger than that of natural restoration with artificial measures,the content gradually increases with increasing abandoned times,and the changes of the content of different vegetation types is not obvious,but the changes of that in different soil layers is very evident.So we should adjust measures to local conditions and choose vegetation on the basis of the characteristic of local soil environment during vegetation restoration in abandoned lands.

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备注/Memo

收稿日期:2004-10-8。
基金项目:国家自然科学基金（40271074）；中国科学院"西部之光"项目（B22012900）
作者简介:马祥华（1980- ），男，河南周口人，在读硕士，主要从事水土保持、植被恢复和环境效益评价方面的研究.

更新日期/Last Update: 1900-01-01