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[1]杨晓梅,程积民,孟蕾,等.子午岭不同林地土壤有机碳及养分储量特征分析[J].水土保持研究,2010,17(03):130-134.
　YANG Xiao-mei,CHENG Ji-min,MENG Lei,et al.Analysis on Soil Organic Carbon and Nutrients Storages in Different Forests in Ziwuling[J].Research of Soil and Water Conservation,2010,17(03):130-134.

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子午岭不同林地土壤有机碳及养分储量特征分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 17 期数: 2010年03期页码: 130-134 栏目: 出版日期: 2010-06-20

Title:: Analysis on Soil Organic Carbon and Nutrients Storages in Different Forests in Ziwuling

作者:: 杨晓梅¹, 程积民¹, 孟蕾², 韩娟娟², 范文娟³; 1. 中国科学院水利部水土保持研究所, 陕西杨陵 712100;
2. 西北农林科技大学动物科技学院, 陕西杨陵 712100;
3. 西北农林科技大学生命科学学院, 陕西杨陵 712100

Author(s):: YANG Xiao-mei¹, CHENG Ji-min¹, MENG Lei², HAN Juan-juan², FAN Wen-juan³; 1. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Soil Resources, Yangling, Shaanxi 712100, China;
2. College of Animal Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China;
3. College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China

关键词:: 子午岭; 林地; 有机碳储量; 土壤养分

Keywords:: Ziwuling; forest soil; organic carbon storage; soil nutrient

分类号:: S714;S153.61

摘要:: 采用野外调查、取样和室内实验分析相结合的方法，研究了黄土高原子午岭林区3种林地土壤有机碳和全量养分储量的分布特征及相关关系。结果表明：（1）研究区3种林地土壤有机碳含量为3.9～37.6 g/kg，平均含量为13.02 g/kg，辽东栎林地最高，其次为柴松林，人工油松林地最低；（2）土壤有机碳含量随深度增加而递减，其中柴松林地的垂直变化幅度最大，达88.86%。3种林分土壤碳密度差异显著，其各土层变化范围为1.06～3.67 kg/m²，土壤碳密度亦随深度增加而减少。对于整个土层（0-90 cm）而言，各林分土壤碳密度为9.38～11.43 kg/m²；（3）不同养分储量在3种林分之间表现的规律性及相关性不同。有机碳和各全量养分储量随土壤深度增加均呈减小趋势，有机碳和全氮表现尤其明显。

Abstract:: By using the research method of field investigation, soil sampling and laboratory analysis, the soil organic carbon and nutrients storages for the three main forest types in Ziwuling have been discussed. The results are as follows: (1) The average soil organic carbon content for the three forest types is 3.9～37.6 g/kg, the soil organic carbon content in Quercus liaotungensis forest is highest but lowest in artificial P. tabulaeformis forest. Soil organic carbon contents generally decrease with the depth, and the variation in Pinus tabulaeformis f. shekannesis forest is highest (88.86%); (2) Soil carbon density in three forest types changed greatly, with an average of 1.06～3.53 kg/m² for five soil layers, and decreased generally with the depth. For the whole soil profile (0-90 cm), soil carbon density in all forest types varied from 9.38 kg/m² to 11.43 kg/m²; (3) The soil nutrient storages have different representations and relationship among the three forest types. There are trends on the decrease of soil organic carbon and total nutrients with soil depth, particularly the soil carbon and total nitrogen.

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备注/Memo

收稿日期:2009-12-13。
基金项目:中国科学院重要方向项目（KZCX2-YW-441，KZCX2-YW-149）；国家重点基础研究展计划973项目（2007CB106803）；国家自然科学基金重点项目（40730631）；农业部“现代农业产业技术体系建设专项资金”
作者简介:杨晓梅（1983- ），女，陕西宝鸡人，硕士研究生，主要研究方向：森林生态恢复及碳库。E-mail：yangxiaomei.003@163.com
通讯作者:程积民（1955- ），男，陕西省蒲城县人，研究员

更新日期/Last Update: 1900-01-01