[1]周小泉,刘政鸿,杨永胜,等.毛乌素沙地三种植被下苔藓结皮的土壤理化效应[J].水土保持研究,2014,21(06):340-344.
　ZHOU Xiao-quan,LIU Zheng-hong,YANG Yong-sheng,et al.Effects of Moss Dominated Crusts on Soil Physicochemical Properties Under Three Types of Vegetation in Mu Us Sandland[J].Research of Soil and Water Conservation,2014,21(06):340-344.
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毛乌素沙地三种植被下苔藓结皮的土壤理化效应

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 21 期数: 2014年06期 页码: 340-344 栏目: 出版日期: 2014-12-28
Title:
Effects of Moss Dominated Crusts on Soil Physicochemical Properties Under Three Types of Vegetation in Mu Us Sandland
作者:
周小泉1, 刘政鸿2, 杨永胜3, 苑森朋4
1. 新疆吉音水利枢纽工程建设管理局, 新疆 和田 848000;
2. 陕西省水土保持生态环境监测中心, 西安 710006;
3. 中国科学院 水利部 水土保持研究所, 陕西 杨凌 712100;
4. 西北农林科技大学 资源环境学院, 陕西 杨凌 712100
Author(s):
ZHOU Xiao-quan1, LIU Zheng-hong2, YANG Yong-sheng3, YUAN Sen-peng4
1. Jiyin Administration of Hydro-junction and Engineering Construction, Hetian, Xinjiang 848000, China;
2. Shaanxi Monitoring Center of Soil and Water Conservation and Ecological Environment, Xi’an 710006, China;
3. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China;
4. College of Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712100, China
关键词:
苔藓结皮; 沙蒿; 沙柳; 樟子松; 土壤粒径分布; 土壤养分
Keywords:
moss dominated crusts; Artemisia ordosica; Salix cheilophila Schneid; Pinus sylvestris Linn.var.mongolica Litv.; soil size distribution; soil nutrient
分类号:
S153
摘要:
分析了沙蒿、沙柳、樟子松三种植被下有苔藓结皮、无苔藓结皮（对照）样地0—2，2—5，5—10 cm剖面土壤的理化指标，探讨毛乌素沙地苔藓结皮对土壤理化性状的影响及其与植被类型的关系。结果表明：（1）三种植被下苔藓结皮均能够明显提高土壤稳定性，增加细砂粒（0.02～0.2 mm）含量、降低粗砂粒（0.2～2 mm）含量。（2）沙柳及沙蒿植被下苔藓结皮均能够显著提高各层土壤的有机质、全氮、速效钾、全磷含量（P>0.05），降低全钾、速效磷含量；樟子松下苔藓结皮0—2 cm剖面的理化效应同沙柳、沙蒿类似，但2—5，5—10 cm剖面内，有机质含量显著降低（P>0.05），全氮、全钾、全磷、速效磷含量则无显著变化（P<0.05）。（3）荒漠生态恢复过程中，苔藓结皮对土壤理化性状的改善作用主要集中在表层土壤，改善程度同植被类型的关系密切。
Abstract:
The soil physicochemical properties in the sites where were covered and uncovered (control) by moss crusts under Artemisia ordosica, Salix cheilophila Schneid and Pinus sylvestris Linn. var. mongolica Litv. at 0—2, 2—5, 5—10 cm depths were analyzed respectively. The effects of moss crusts on the soil physicochemical properties and its relationship between the type of vegetation were discussed. The results are as follows: (1) the moss crusts under three types of vegetation are able to significantly increase the soil stabilization，increase the proportion of fine sand (0.02～0.2 mm) and decrease the proportion (0.02～0.2 mm) of coarse sand; (2) the moss crusts under Artemisia ordosica and Salix cheilophila Schneid. can significantly increase the contents of soil organic matter, total N, available K and total P. Meanwhile, it’s able to decrease the contents of total K and available P in 0—2, 2—5, 5—10 cm depths, respectively. The effects of moss crusts under Pinus sylvestris Linn. var. mongolica Litv. at 0—2 cm depths were similar with those of Artemisia ordosica and Salix cheilophila Schneid. The difference is the moss crusts under Pinus sylvestris Linn. var. mongolica Litv. can significantly decrease the content of soil organic matter and have no significant effects on the contents of total N, total K, total P and available P at 2—5 cm and 5—10 cm depths; (3) in the process of ecology restoration in desert, the improvement of moss crusts on soil hysicochemical properties mainly focuses on the shallow layer and the improvement degree has close relations with the type of vegetation.

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备注/Memo

收稿日期:2014-03-12;改回日期:2014-03-27。
基金项目:国家自然科学基金面上项目“毛乌素沙地生物结皮的风蚀和水分效应及其干扰响应”（41071192）
作者简介:周小泉(1973-),男,浙江宁波人,大学本科,工程师,主要从事水利工程建设与管理工作。E-mail:2727548892@qq.com
通讯作者:杨永胜(1987-),男,甘肃兰州人,博士研究生,主要从事苔藓生物结皮的培育工作。E-mail:yyssolider@126.com

更新日期/Last Update: 1900-01-01