[1]张宁宁,谭凯亮,亢福仁,等.毛乌素沙地樟子松林恢复过程的土壤有机质含量变化特征[J].水土保持研究,2019,26(05):95-99.
　ZHANG Ningning,TAN Kailiang,KANG Furen,et al.Change Characteristics of Soil Organic Matter in the Recovery Process of Pinus sylvestris var. mongolica in Mu Us Sandy Land[J].Research of Soil and Water Conservation,2019,26(05):95-99.
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毛乌素沙地樟子松林恢复过程的土壤有机质含量变化特征

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 26 期数: 2019年05期 页码: 95-99 栏目: 出版日期: 2019-09-06
Title:
Change Characteristics of Soil Organic Matter in the Recovery Process of Pinus sylvestris var. mongolica in Mu Us Sandy Land
作者:
张宁宁1, 谭凯亮2, 亢福仁1, 刘普灵3
1. 榆林学院 生命科学学院, 陕西省陕北矿区生态修复实验室, 陕西 榆林 719000;
2. 东北林业大学 林学院, 哈尔滨 150040;
3. 中国科学院 水利部 水土保持研究所, 黄土高原土壤侵蚀与旱地农业国家重点实验室, 陕西 杨凌 712100
Author(s):
ZHANG Ningning1, TAN Kailiang2, KANG Furen1, LIU Puling3
1. Shaanxi Key Laboratory of Ecological Restoration in Shanbei mining Area, College of Life Science, Yulin University, Yulin, Shaanxi 719000, China;
2. School of Forestry, Northeast Forestry University, Harbin 150040, China;
3. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Chinese Academy of Sciences and ministry of Water Resources, Yangling, Shaanxi 712100, China
关键词:
毛乌素沙地; 樟子松人工林; 林龄; 土壤有机质; 丰缺度
Keywords:
Mu Us sandy land; pinus sylvestris var. mongolica; forest age; soil organic matter; abundance and deficiency status
分类号:
S714.2
摘要:
为明确毛乌素沙地樟子松林恢复过程的土壤有机质含量变化特征，采用时空互代的方法，以裸地为对照，选择立地条件相似的分别种植于1960s，1970s，1980s的樟子松林土壤作为研究对象，研究了林下土壤有机质含量随恢复年限的变化规律和垂直变化特征，并进一步分析了其丰缺度。结果表明：（1）不同恢复年限樟子松林土壤有机质含量呈现随土层深度的增加逐渐降低的现象，即具有明显的表层富集特征。（2）随着林龄的增加樟子松林中土壤有机质含量变化存在先增加后减小的变化趋势，但变化幅度逐渐减小。（3）相比于裸地，研究区不同恢复年限樟子松林均提高了土壤有机质含量，但总体上土壤有机质含量仍处于缺乏水平。
Abstract:
In order to understand the change characteristics of soil organic in the recovery process of Pinus sylvestris var. mongolica in Mu Us sandy land, we used the space-for-time substitution method and took the bare land as a contrast, the Pinus sylvestris var. mongolica communities afforested in 1960s, 1970s and 1980s under similar site condition were selected as the sites. The temporal changes and vertical variation characteristics of soil organic matter contents in Pinus sylvestris var. mongolica forest lands were studied, and abundance and deficiency status were further analyzed. The results showed that:(1) the contents of soil organic matter of lands with different years of Pinus sylvestris var. mongolica growth decreased gradually with the increase of soil depth, showing the obvious surface enrichment; (2) the soil organic matter content in Pinus sylvestri var. mongolica forest increased first and decreased later with the increase of forest age, but the change range gradually decreased; (3) the contents of soil organic in Pinus sylvestris var. mongolica forests with different recovery years in the study area increased compared with the bare land, but the contents of soil organic matter were still at the deficient level on the whole.

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备注/Memo

收稿日期:2018-11-21;改回日期:2018-12-11。
基金项目:陕西省陕北矿区生态修复实验室开放基金（KFXM201807,ZZXM201802）；国家自然科学基金（41371281）；水利部黄土高原水土流失过程与控制重点实验室开放基金（201804）；国土资源部退化及未利用土地整治工程重点实验室开放基金（SXDJ2018-08）
作者简介:张宁宁(1986-),女,山西长治人,讲师,博士,主要从事侵蚀环境演变研究。E-mail:zhangningning1986@163.com
通讯作者:刘普灵(1954-),男,陕西蒲城人,研究员,学士,主要从事土壤侵蚀及土壤学新技术与新方法的研究。E-mail:pliu@ms.iswc.ac.cn

更新日期/Last Update: 1900-01-01