土壤有机质形成与来源研究进展

被引:120
作者
邵帅 [1 ,2 ]
何红波 [1 ,3 ]
张威 [1 ]
赵钰 [1 ,2 ]
张旭东 [1 ]
机构
[1] 中国科学院沈阳应用生态研究所
[2] 中国科学院大学
[3] 中国科学院沈阳农田生态系统国家野外科学观测研究站
基金
国家自然科学基金重点项目;
关键词
土壤有机质; 微生物来源; 植物来源; 微生物生理过程; 碳分配;
D O I
10.16862/j.cnki.issn1674-3873.2017.01.023
中图分类号
S153.621 [];
学科分类号
摘要
土壤有机质数量和质量的提高对于提升土壤肥力、减少土壤侵蚀和缓解气候变化具有重要作用.土壤有机质来源于植物残体的生物分解,然而对于其形成过程中组成的变化却并不清楚.本文综述了关于土壤有机质中微生物来源与植物来源组分的贡献及其相对比例的研究,明确了微生物过程对于有机质形成的重要贡献,同时,进一步阐述了不同微生物种群碳分配特征及其对外界环境条件变化的响应,进而影响土壤碳循环,以期提高对土壤有机质微生物过程方面研究的关注.
引用
收藏
页码:126 / 130
页数:5
相关论文
共 11 条
[1]
SOM genesis: microbial biomass as a significant source [J].
Anja Miltner ;
Petra Bombach ;
Burkhard Schmidt-Brücken ;
Matthias Kästner .
Biogeochemistry, 2012, 111 :41-55
[2]
When structure means conservation: Effect of aggregate structure in controlling microbial responses to rewetting events.[J].Federico Navarro-García;Miguel ángel Casermeiro;Joshua P. Schimel.Soil Biology and Biochemistry.2011, 1
[3]
Drying and rewetting effects on C and N mineralization and microbial activity in surface and subsurface California grassland soils [J].
Xiang, Shu-Rong ;
Doyle, Allen ;
Holden, Patricia A. ;
Schimel, Joshua P. .
SOIL BIOLOGY & BIOCHEMISTRY, 2008, 40 (09) :2281-2289
[4]
Glucose additions to aggregates subjected to drying/wetting cycles promote carbon sequestration and aggregate stability [J].
Park, Eun-Jin ;
Sul, Woo Jun ;
Smucker, Alvin J. M. .
SOIL BIOLOGY & BIOCHEMISTRY, 2007, 39 (11) :2758-2768
[5]
Strategies used by soil biota to overcome soil organic matter stability — why is dead organic matter left over in the soil?.[J].Klemens Ekschmitt;Manqiang Liu;Silke Vetter;Oliver Fox;Volkmar Wolters.Geoderma.2004, 1
[6]
The implications of exoenzyme activity on microbial carbon and nitrogen limitation in soil: a theoretical model [J].
Schimel, JP ;
Weintraub, MN .
SOIL BIOLOGY & BIOCHEMISTRY, 2003, 35 (04) :549-563
[7]
Molecular dynamics of organic matter in a cultivated soil [J].
Gleixner, G ;
Poirier, N ;
Bol, R ;
Balesdent, J .
ORGANIC GEOCHEMISTRY, 2002, 33 (03) :357-366
[8]
The macromolecular organic composition of plant and microbial residues as inputs to soil organic matter [J].
Kögel-Knabner, I .
SOIL BIOLOGY & BIOCHEMISTRY, 2002, 34 (02) :139-162
[9]
The biofilm matrix – an immobilized but dynamic microbial environment.[J].Ian W Sutherland.Trends in Microbiology.2001, 5
[10]
Diffusion of glucose in microbial extracellular polysaccharide as affected by water potential [J].
Chenu, C ;
Roberson, EB .
SOIL BIOLOGY & BIOCHEMISTRY, 1996, 28 (07) :877-884