[1]贾夏,等.大气CO2浓度升高对红松和长白赤松幼苗非根际土壤微生物的影响[J].西北林学院学报,2007,22(06):44-47.
 JIA Xia,HAN Shijie,ZHAO Yonghua,et al.Effects of Elevated Atmospheric CO2 on Microflora in Nonrhizosphere Soil of Pinus koraiensis and P. sylvestriformis Seedlings[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2007,22(06):44-47.
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大气CO2浓度升高对红松和长白赤松幼苗非根际土壤微生物的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第22卷
期数:
2007年06期
页码:
44-47
栏目:
森林生物学
出版日期:
2007-12-30

文章信息/Info

Title:
Effects of Elevated Atmospheric CO2 on Microflora in Nonrhizosphere Soil of Pinus koraiensis and P. sylvestriformis Seedlings
作者:
贾夏1 2韩士杰2*赵永华3周玉梅2
(1.长安大学 环境科学与工程学院,陕西 西安 710054; 2.中国科学院 沈阳应用生态研究所,辽宁 沈阳 110016;3.长安大学 资源学院,陕西 西安 710054)
Author(s):
JIA Xia12HAN Shijie2ZHAO Yonghua3ZHOU Yumei2
(1.Environmental Science and Engineering College, Chang'an University, Xi'an,Shaanxi 710054,China;2.Institute of Applied Ecology,the Chinese Academy of Science, Shenyang,Liaoning 110016,China; 3.Colloge of Earth Science and Land Resources Management, C
关键词:
高浓度CO2土壤微生物影响
Keywords:
elevated CO2soil microfloraeffect
分类号:
S718.8
文献标志码:
A
摘要:
以连续5 a不同CO2浓度处理的长白赤松和红松幼苗为对象,采用CFU(活细胞计数)菌落计数法研究了大气CO2浓度对幼苗非根际土壤微生物数量的影响。结果表明高浓度CO2(700 μmol·mol-1和 500 μmol·mol-1)处理对长白赤松和红松幼苗非根际土壤细菌数量具有显著的(p < 0.01)抑制作用,对真菌数量亦有抑制作用。大气CO2浓度升高对红松幼苗非根际土壤放线菌数量具有抑制作用(p < 0.05),而对长白赤松幼苗土壤放线菌数量没有明显的影响。西北林学院学报22卷第6期贾夏等大气CO2浓度升高对红松和长白赤松幼苗非根际土壤微生物的影响
Abstract:
The response of soil microflora in the nonrhizosphere soil of Pinus koraiensis and P. sylvestriformis seedlings to elevated CO2 (700 and 500 μmol·mol-1) was studied. The results indicated that soil bacterial number decreased significantly (P < 0.01), and soil fungi number also decreased(P < 0.05), but not as significant as the decrease of bacterial number. The amount of soil actinomycosis decreased (P < 0.05) under elevated CO2 in the nonrhizosphere soil of P. koraiensis seedlings, however, no regularities were found between the number of actiomycetes in the nonrhizosphere soil of P. sylvestriformis seedlings and CO2 enrichment.

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备注/Memo

备注/Memo:
收稿日期:20070116修回日期:20070603基金项目:国家自然科学基金项目(90411020);国家重点基础研究发展规划资助项目(2002CB412502)作者简介:贾夏(1975),女,陕西榆林人,博士,讲师,主要从事植物化学和土壤微生物分子生物学研究。*通讯作者:韩士杰。
更新日期/Last Update: 2010-05-04