黄土丘陵区人工油松林地土壤特性及细根特征研究

黄琳琳; 陈云明; 张升; 王利霞; 张学森

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黄土丘陵区人工油松林地土壤特性及细根特征研究

试验研究

- 黄土丘陵区人工油松林地土壤特性及细根特征研究
- Distribution Characteristics of Fine Root and Soil Properties in Artificial Pinus Tabulaef ormis Forest in Loess Hilly Region
- 水土保持通报 2011年30卷第4期页码：37-41
- 作者机构：
  
  1. 西北农林科技大学资源环境学院陕西杨凌,712100
  2. 红河州水利水电工程地质钻探队云南蒙自,661100
  3. 中国科学院水土保持研究所陕西杨凌,712100
  4. 中国石油工程设计公司(CPE)新疆石油工程建设有限公司,新疆,克拉玛依,834000
- 作者简介：
- 基金信息：
  
  陕西省科学院科技计划重点项目“陕北黄土丘陵区植被恢复与动物多样性保护关键技术”(2008K-04);中国科学院知识创新工程“百人计划”项目“黄土高原半干旱区群落水分平衡与调控机理”(KZCX2-YW-BR-02)
- DOI：
  中图分类号：
- 纸质出版：2011
- 稿件说明：
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黄琳琳, 陈云明, 张升, 等. 黄土丘陵区人工油松林地土壤特性及细根特征研究[J]. 水土保持通报, 2011,30(4):37-41.

HUANG Lin-lin, CHEN Yun-ming, ZHANG Sheng, et al. Distribution Characteristics of Fine Root and Soil Properties in Artificial Pinus Tabulaef ormis Forest in Loess Hilly Region[J]. Bulletin of Soiland Water Conservation, 2011, 30(4): 37-41.
黄琳琳, 陈云明, 张升, 等. 黄土丘陵区人工油松林地土壤特性及细根特征研究[J]. 水土保持通报, 2011,30(4):37-41. DOI：

HUANG Lin-lin, CHEN Yun-ming, ZHANG Sheng, et al. Distribution Characteristics of Fine Root and Soil Properties in Artificial Pinus Tabulaef ormis Forest in Loess Hilly Region[J]. Bulletin of Soiland Water Conservation, 2011, 30(4): 37-41. DOI：

摘要

在野外调查和室内实验分析的基础上，研究了黄土丘陵区人工油松林生长发育过程中的细根垂直分布特征及其土壤特性。结果表明：(1)小密度林地改善土壤结构能力最好，其次是中、大密度，采伐地最差。(2)小、中、大密度林地0—300 cm土层土壤含水量分别为12.95%，12.87%和12.78%，表现出随林分密度增加而减少的变化趋势，采伐地则为17.10%，说明采伐地土壤水分在一定程度上得到了补偿。(3)油松细根主要分布在0—60 cm土层，占细根总量的90%以上。(4)细根分布与土壤特性关系密切，以40—60 cm土层最为显著。

Abstract

Based on the field observation and indoor determination

an investigation in Loess Hilly Region was made on vertical distribution of fine root characteristics and soil properties with in the recovery of artificial Pinus tabulae formis.The results showed that:(1)The ability to improve soil structure under the low-density pine forest was better than that under mid-density and high-density forest

and the logging area was the worst.(2)In the 0.300cm layer

the soil moisture content declined with the increasing density

and was 12.95%

12.87%

12.78% and 17.10% respect ively for low-density pine

mid-density

high density pine and logging area

indicating that the soil moisture content of logging area was recovered to some extent.(3)Pinus tabulaeformis roots were mainly distributed in 0-60cm soil layer.(4)There were close relationship between root distribution and soil characteristics

especially in the 40-60 cm layer

where the relationship were very significant.

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