湘中丘陵区不同经营类型毛竹林土壤
微生物量碳动态

漆良华; 艾文胜; 范少辉; 杜满义; 孟勇; 毛超

doi:10.3969/j.issn.1000-2006.2013.05.009

湘中丘陵区不同经营类型毛竹林土壤微生物量碳动态

漆良华，艾文胜，范少辉*，杜满义，孟勇，毛超

南京林业大学学报（自然科学版） ›› 2013, Vol. 37 ›› Issue (05) : 45-48.

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南京林业大学学报（自然科学版） ›› 2013, Vol. 37 ›› Issue (05) : 45-48. DOI: 10.3969/j.issn.1000-2006.2013.05.009

研究论文

湘中丘陵区不同经营类型毛竹林土壤微生物量碳动态

漆良华¹，艾文胜²，范少辉¹*，杜满义¹，孟勇²，毛超¹

作者信息 +

Soil microbial biomass carbon dynamics of Phyllostachys edulis forests under different managing patterns in the hilly region of central Hunan, southern China

QI Lianghua¹, AI Wensheng², FAN Shaohui¹*, DU Manyi¹, MENG Yong², MAO Chao¹

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摘要

对湘中丘陵区毛竹笋用林（Ⅰ）、笋材兼用林（Ⅱ）、材用林（Ⅲ）等不同经营类型林分土壤微生物量碳（SMBC）含量、储量的垂直分布、季节动态及与土壤温度、湿度的关系进行了研究。结果表明：笋用林、笋材兼用林和材用林土壤平均SMBC含量分别为18.92～118.42、21.19～133.66和19.56～119.46 mg/kg，储量为0.12～0.74、0.14～0.91和0.11～ 0.70 t/hm2；在垂直分布上，不同类型毛竹林碳含量、碳储量随土壤深度增加而下降，0～20 cm土层是SMBC的主要分布区；在季节动态上，不同类型毛竹林碳含量、碳储量均以7月最高，1月最低；在一定范围内，土壤温度上升、湿度增加有利于促进SMBC含量、储量增加，SMBC与土壤温度的相关性达极显著水平；土壤温度对SMBC的影响符合幂指数模型，湿度与 SMBC的回归关系为非线性。

Abstract

Based on plot data of shoot utilizing (Ⅰ), shoot and timber utilizing (Ⅱ) and timber utilizing (Ⅲ) of Phyllostachys edulis forests located at the hilly region in central Hunan, a study had been carried out on vertical distribution, seasonal dynamics soil microbial biomass carbon (SMBC) concentrations and storages as well as their relationship with soil temperature and moisture in above three typical managing patterns. The results showed that the average SMBC concentrations of type Ⅰ, Ⅱ and Ⅲ were 18.92-118.42 mg/kg, 21.19-133.66 mg/kg and 19.56-119.46 mg/kgrespectively, and storages were 0.12-0.74 t/hm2, 0.14-0.91 t/hm2 and 0.11-0.70 t/hm2 respectively. The vertical distribution showed that SMBC concentrations and storages decreased with the increase of soil depth in three different forests, moreover, the soil layers of 0-20 cm were the main distribution of SMBC. For seasonal dynamics, SMBC concentrations and storages were the highest in July and the lowest in January. SMBC was significantly positively related with soil temperature and their relationship could be described well by power exponent. However, there existed a nonlinear relationship between SMBC and soil moisture. It was effective in some extent for increasing SMBC concentrations and storages along with soil temperature and moisture rise increase.

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漆良华，艾文胜，范少辉*，杜满义，孟勇，毛超. 湘中丘陵区不同经营类型毛竹林土壤微生物量碳动态[J]. 南京林业大学学报（自然科学版）. 2013, 37(05): 45-48 https://doi.org/10.3969/j.issn.1000-2006.2013.05.009

QI Lianghua, AI Wensheng, FAN Shaohui*, DU Manyi, MENG Yong, MAO Chao. Soil microbial biomass carbon dynamics of Phyllostachys edulis forests under different managing patterns in the hilly region of central Hunan, southern China[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2013, 37(05): 45-48 https://doi.org/10.3969/j.issn.1000-2006.2013.05.009

中图分类号： S714

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基金

收稿日期：2012-08-25修回日期：2012-12-24 基金项目：“十二五”国家科技支撑计划（2012BAD23B04）第一作者：漆良华，副研究员，博士。 *通信作者：范少辉，研究员。 Email： fansh@icbr.ac.cn。引文格式：漆良华，艾文胜，范少辉，等. 湘中丘陵区不同经营类型毛竹林土壤微生物量碳动态[J]. 南京林业大学学报：自然科学版，2013，37（5）：45-48.