[1]刘胜,丁九敏,徐涵湄,等.雪灾对毛竹林土壤呼吸与微生物生物量碳的影响[J].南京林业大学学报(自然科学版),2010,34(03):126-130.[doi:10.3969/j.jssn.1000-2006.2010.03.026]
 LIU Sheng,DING Jiu min,XU Han mei,et al.The influence of snow storm on soil respiration and soil microbial biomass carbon of Phyllostachys heterocycla cv.pubescens forest[J].Journal of Nanjing Forestry University(Natural Science Edition),2010,34(03):126-130.[doi:10.3969/j.jssn.1000-2006.2010.03.026]
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雪灾对毛竹林土壤呼吸与微生物生物量碳的影响
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
34
期数:
2010年03期
页码:
126-130
栏目:
研究论文
出版日期:
2010-06-29

文章信息/Info

Title:
The influence of snow storm on soil respiration and soil microbial biomass carbon of Phyllostachys heterocycla cv.pubescens forest
作者:
刘胜1丁九敏12徐涵湄1汪家社3徐自坤3阮宏华1*
1.南京林业大学,江苏省林业生态工程重点实验室,江苏南京210037;2.连云港职业技术学院,江苏连云港222006;3.福建武夷山国家级自然保护区管理局,福建武夷山354315
Author(s):
LIU Sheng1 DING Jiumin12 XU Hanmei1 WANG Jiashe3 XU Zikun3 RUAN Honghua1*
1.Jiangsu Key Laboratory of Forest Ecological Engineering, Nanjing Forestry University, Nanjing 210037, China; 2.Lianyungang Technical College, Lianyungang 222006, China; 3.Administrative Bureau of Wuyishan National Nature Reserve, Wuyishan 354315, China
关键词:
雪灾毛竹林土壤呼吸土壤微生物生物量碳武夷山
Keywords:
snow storm phyllostachys heterocycla cv.pubescens forest soil respiration soil microbial biomass carbon Wuyi Mountain
分类号:
S714;X43
DOI:
10.3969/j.jssn.1000-2006.2010.03.026
文献标志码:
A
摘要:
2008年中国南方雪灾是对森林生态系统过程一次极大的自然干扰。为研究雪灾对土壤主要生态因子和土壤生态学过程的影响,笔者对福建武夷山受雪灾干扰的毛竹林生态系统受灾程度进行了调查。依据毛竹林分的受灾程度,分为重度、中度和轻度3种类型。结果显示:雪灾后,重度、中度与轻度受灾毛竹林的受损率分别为43.7 %、21.8 %和10.3 %;因雪灾输入林地地表的生物量分别为2.21、1.04和0.60 kg/m2;受灾程度不同对毛竹林生态系统的主要生态因子影响有显著的差异。林分郁闭度分别与土壤含水率、土壤呼吸、土壤温度、微生物生物量碳、受损率、雪灾后输入地表生物量等呈显著负相关;雪灾后输入地表生物量分别与微生物生物量碳、土壤温度、受损率、土壤呼吸呈显著正相关。不同程度受灾林分间的土壤呼吸和微生物生物量碳有显著差异性,林冠的打开和大量凋落物、粗木质残体碎屑的输入直接或间接导致了土壤含水率、土壤温度、土壤呼吸、微生物生物量碳等生态因子的变化,这些变化将改变竹林生态系统的生物学与生态学过程。
Abstract:
The 2008 snow storm in southern China was a huge natural disturbance to the forest ecosystem.We conducted an experiment in Phyllostachys heterocycla cv.pubescens forest in Wuyi Mountain to understand the influence of snow storm on major soil ecological factors and soil ecological processes. We divided the damage level of phyllostachys heterocycla cv.pubescens forest cause by the snow storm into three types i.e. heavy, middle and low level. The rate of damaged bamboo in heavy, middle and low level was 43.7 %, 21.8 %, 10.3 %, respectively. The aboveground biomass input to the ground caused by the snow storm was 221, 1.04 and 0.60 kg/m2 , respectively. The canopy closure was significantly negatively correlated with soil moisture, soil respiration, soil temperature and soil microbial biomass carbon, respectively soil microbial biomass carbon, soil temperature and soil respiration were significantly correlated with the aboveground biomass loss. There were significant difference in soil respiration and microbial biomass carbon among different damage levels. The open of the canopy and the input of the litterfall and woody debris to the floor may lead to the changes of soil moisture, soil temperature, soil respiration, and soil microbial biomass carbon, and might alter the biological and ecological processes of phyllostachys heterocycla cv.pubescens forest.

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备注/Memo

备注/Memo:
收稿日期:2009-03-22修回日期:2009-08-27基金项目:国家自然科学基金项目(30670313);国家林业局林业公益性行业科研专项项目(200804006;200704005/wb02)作者简介:刘胜(1983—),硕士生。*阮宏华(通信作者),教授。Email: hruan1690@yahoo.com。引文格式:刘胜,丁九敏,徐涵湄,等. 雪灾对毛竹林土壤呼吸与微生物生物量碳的影响[J]. 南京林业大学学报:自然科学版,2010,34(3):126-130.
更新日期/Last Update: 2010-06-29