Articles | Volume 12, issue 22
Reviews and syntheses
26 Nov 2015
Reviews and syntheses |  | 26 Nov 2015

Reviews and syntheses: Soil resources and climate jointly drive variations in microbial biomass carbon and nitrogen in China's forest ecosystems

Z. H. Zhou and C. K. Wang

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Cited articles

Asner, G. P., Martin, R. E., Tupayachi, R., Anderson, C. B., Sinca, F., Carranza-Jiménez, L., and Martinez, P.: Amazonian functional diversity from forest canopy chemical assembly, P. Natl. Acad. Sci. USA, 111, 5604–5609, 2014.
Bell, C., Carrillo, Y., Boot, C. M., Rocca, J. D., Pendall, E., and Wallenstein, M. D.: Rhizosphere stoichiometry: are C: N: P ratios of plants, soils, and enzymes conserved at the plant species level?, New Phytol., 201, 505–517, 2014.
Chapin III, F. S., Matson, P. A., and Vitousek, P. M.: Principles of Terrestrial Ecosystem Ecology, 2nd Edn., Springer, New York, 1–43, 2011.
Cherif, M. and Loreau, M.: Stoichiometric constraints on resource use, competitive interactions, and elemental cycling in microbial decomposers, Am. Nat., 169, 709–724, 2007.
Cleveland, C. C. and Liptzin, D.: C: N: P stoichiometry in soil: is there a "Redfield ratio" for the microbial biomass?, Biogeochemistry, 85, 235–252, 2007.
Short summary
Soil microbial biomass carbon (Cmic) and nitrogen (Nmic) and microbial quotient varied substantially across China’s forest ecosystems (CV 61–96%). Soil resources and climate together explained 24–41% of the variations. Cmic:Nmic ratio declined slightly with soil C:N ratio and changed with latitude and climate, suggesting a plastic homeostasis of microbial C-N stoichiometry. Divergent responses of microbial quotient of C and N to environment imply different mechanisms regulating Cmic and Nmic.
Final-revised paper