期刊
SOIL BIOLOGY & BIOCHEMISTRY
卷 132, 期 -, 页码 36-39出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.soilbio.2019.01.025
关键词
Carbon; Microbial communities; Enzymes; Carbon use efficiency; Nitrogen; Traits
类别
资金
- European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant [655240]
- UK Natural Environment Research Council [NE/M017125/1]
- US DOE Genomic Science Program, BER, Office of Science project [DE-SC0016410]
- NERC [NE/M017125/1] Funding Source: UKRI
- Marie Curie Actions (MSCA) [655240] Funding Source: Marie Curie Actions (MSCA)
Resource acquisition and growth yield are fundamental microbial traits that affect biogeochemical processes and have consequences for ecosystem functioning. However, there is a lack of empirical observations linking these traits. Using a landscape-scale survey of temperate near-neutral pH soils, we show tradeoffs in key community-level parameters linked to these traits. Increased investment into extracellular enzymes estimated using specific potential enzyme activity was associated with reduced growth yield obtained using carbon use efficiency measures from stable isotope tracing. Reduction in growth yield was linked more to carbon than nitrogen acquisition highlighting smaller stoichiometric than energetic constraints on community metabolism in examined soils.
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