Global biogeography of fungal and bacterial biomass carbon in topsoil

He, Liyuan; Mazza Rodrigues, Jorge L.; Soudzilovskaia, Nadejda A.; Barceló, Milagros; Olsson, Pål Axel; Song, Changchun; Tedersoo, Leho; Yuan, Fenghui; Yuan, Fengming; Lipson, David A.; Xu, Xiaofeng

doi:10.1016/j.soilbio.2020.108024

Title: Global biogeography of fungal and bacterial biomass carbon in topsoil

Abstract

Bacteria and fungi, representing two major soil microorganism groups, play an important role in global nutrient biogeochemistry. Biogeographic patterns of bacterial and fungal biomass are of fundamental importance for mechanistically understanding nutrient cycling. We synthesized 1323 data points of phospholipid fatty acid-derived fungal biomass C (FBC), bacterial biomass C (BBC), and fungi:bacteria (F:B) ratio in topsoil, spanning 11 major biomes. The FBC, BBC, and F:B ratio display clear biogeographic patterns along latitude and environmental gradients including mean annual temperature, mean annual precipitation, net primary productivity, root C density, soil temperature, soil moisture, and edaphic factors. At the biome level, tundra has the highest FBC and BBC densities at 3684 (95% confidence interval: 1678–8084) mg kg^-1 and 428 (237–774) mg kg^-1, respectively; desert has the lowest FBC and BBC densities at 16.92 (14.4–19.89) mg kg^-1 and 6.83 (6.1–7.65) mg kg^-1, respectively. The F:B ratio varies dramatically, ranging from 1.8 (1.6–2.1) in savanna to 8.6 (6.7–11.0) in tundra. An empirical model was developed for the F:B ratio and it is combined with a global dataset of soil microbial biomass C to produce global maps for FBC and BBC in 0–30 cm topsoil. Across the globe, the highest FBC is found in borealmore »« less

Authors:

He, Liyuan ^[1]; Mazza Rodrigues, Jorge L. ^[2]; Soudzilovskaia, Nadejda A. ^[3]; Barceló, Milagros ^[3]; Olsson, Pål Axel ^[4]; Song, Changchun ^[5]; Tedersoo, Leho ^[6];

^[7]; Yuan, Fengming ^[8]; Lipson, David A. ^[1]; Xu, Xiaofeng ^[1]

San Diego State Univ., CA (United States)
Univ. of California, Davis, CA (United States)
Leiden Univ. (Netherlands). Inst. of Environmental Sciences, CML
Lund Univ. (Sweden)
Chinese Academy of Sciences (CAS), Changchun (China). Northeast Institute of Geography and Agroecology
Univ. of Tartu, Tartu (Estonia). Institute of Ecology and Earth Sciences
San Diego State Univ., CA (United States); Chinese Academy of Sciences (CAS), Shenyang (China). Shenyang Institute of Applied Ecology
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Publication Date:: Tue Dec 01 00:00:00 EST 2020

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Biological and Environmental Research (BER); Chinese Academy of Sciences; National Natural Science Foundation of China (NSFC)

OSTI Identifier:: 1786284

Grant/Contract Number:: AC05-00OR22725

Resource Type:: Accepted Manuscript

Journal Name:: Soil Biology and Biochemistry

Additional Journal Information:: Journal Volume: 151; Journal ID: ISSN 0038-0717

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 59 BASIC BIOLOGICAL SCIENCES; Fungi; Bacteria; F:B ratio; Biogeography; Pattern

Citation Formats


                    He, Liyuan, Mazza Rodrigues, Jorge L., Soudzilovskaia, Nadejda A., Barceló, Milagros, Olsson, Pål Axel, Song, Changchun, Tedersoo, Leho, Yuan, Fenghui, Yuan, Fengming, Lipson, David A., and Xu, Xiaofeng. Global biogeography of fungal and bacterial biomass carbon in topsoil.  United States: N. p., 2020. 
Web.  doi:10.1016/j.soilbio.2020.108024.

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                    He, Liyuan, Mazza Rodrigues, Jorge L., Soudzilovskaia, Nadejda A., Barceló, Milagros, Olsson, Pål Axel, Song, Changchun, Tedersoo, Leho, Yuan, Fenghui, Yuan, Fengming, Lipson, David A., & Xu, Xiaofeng. Global biogeography of fungal and bacterial biomass carbon in topsoil.  United States.  https://doi.org/10.1016/j.soilbio.2020.108024

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                    He, Liyuan, Mazza Rodrigues, Jorge L., Soudzilovskaia, Nadejda A., Barceló, Milagros, Olsson, Pål Axel, Song, Changchun, Tedersoo, Leho, Yuan, Fenghui, Yuan, Fengming, Lipson, David A., and Xu, Xiaofeng. Tue .  
"Global biogeography of fungal and bacterial biomass carbon in topsoil".  United States.  https://doi.org/10.1016/j.soilbio.2020.108024.  https://www.osti.gov/servlets/purl/1786284.

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@article{osti_1786284,

  title        = {Global biogeography of fungal and bacterial biomass carbon in topsoil},

  author       = {He, Liyuan and Mazza Rodrigues, Jorge L. and Soudzilovskaia, Nadejda A. and Barceló, Milagros and Olsson, Pål Axel and Song, Changchun and Tedersoo, Leho and Yuan, Fenghui and Yuan, Fengming and Lipson, David A. and Xu, Xiaofeng},

  abstractNote = {Bacteria and fungi, representing two major soil microorganism groups, play an important role in global nutrient biogeochemistry. Biogeographic patterns of bacterial and fungal biomass are of fundamental importance for mechanistically understanding nutrient cycling. We synthesized 1323 data points of phospholipid fatty acid-derived fungal biomass C (FBC), bacterial biomass C (BBC), and fungi:bacteria (F:B) ratio in topsoil, spanning 11 major biomes. The FBC, BBC, and F:B ratio display clear biogeographic patterns along latitude and environmental gradients including mean annual temperature, mean annual precipitation, net primary productivity, root C density, soil temperature, soil moisture, and edaphic factors. At the biome level, tundra has the highest FBC and BBC densities at 3684 (95% confidence interval: 1678–8084) mg kg-1 and 428 (237–774) mg kg-1, respectively; desert has the lowest FBC and BBC densities at 16.92 (14.4–19.89) mg kg-1 and 6.83 (6.1–7.65) mg kg-1, respectively. The F:B ratio varies dramatically, ranging from 1.8 (1.6–2.1) in savanna to 8.6 (6.7–11.0) in tundra. An empirical model was developed for the F:B ratio and it is combined with a global dataset of soil microbial biomass C to produce global maps for FBC and BBC in 0–30 cm topsoil. Across the globe, the highest FBC is found in boreal forest and tundra while the highest BBC is in boreal forest and tropical/subtropical forest, the lowest FBC and BBC are in shrub and desert. Global stocks of living microbial biomass C were estimated to be 12.6 (6.6–16.4) Pg C for FBC and 4.3 (0.5–10.3) Pg C for BBC in topsoil. These findings advance our understanding of the global distribution of fungal and bacterial biomass, which facilitates the incorporation of fungi and bacteria into Earth system models. The global maps of bacterial and fungal biomass serve as a benchmark for validating microbial models in simulating the global C cycle under a changing climate.},

  doi          = {10.1016/j.soilbio.2020.108024},

  journal      = {Soil Biology and Biochemistry},

  number       = ,

  volume       = 151,

  place        = {United States},

  year         = {Tue Dec 01 00:00:00 EST 2020},

  month        = {Tue Dec 01 00:00:00 EST 2020}

}

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