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Soil microbial biomass and community responses to experimental precipitation change: A meta-analysis

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Soil microbial biomass and community responses to experimental precipitation change: A meta-analysis. / Xu, Shan; Geng, Weixin; Sayer, Emma et al.
In: Soil Ecology Letters, Vol. 2, No. 2, 01.06.2020, p. 93-103.

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Harvard

Xu, S, Geng, W, Sayer, E, Zhou, G, Zhou, P & Liu, C 2020, 'Soil microbial biomass and community responses to experimental precipitation change: A meta-analysis', Soil Ecology Letters, vol. 2, no. 2, pp. 93-103. https://doi.org/10.1007/s42832-020-0033-7

APA

Vancouver

Xu S, Geng W, Sayer E, Zhou G, Zhou P, Liu C. Soil microbial biomass and community responses to experimental precipitation change: A meta-analysis. Soil Ecology Letters. 2020 Jun 1;2(2):93-103. Epub 2020 May 14. doi: 10.1007/s42832-020-0033-7

Author

Xu, Shan ; Geng, Weixin ; Sayer, Emma et al. / Soil microbial biomass and community responses to experimental precipitation change : A meta-analysis. In: Soil Ecology Letters. 2020 ; Vol. 2, No. 2. pp. 93-103.

Bibtex

@article{d8ba68c5bd89451cbcf7498053bfc7bc,
title = "Soil microbial biomass and community responses to experimental precipitation change: A meta-analysis",
abstract = "The activity of soil microbes is strongly constrained by water availability. However, it is unclear how microbial activity responds to spatial and temporal changes in precipitation, particularly to long-term precipitation changes. To identify the spatiotemporal patterns of microbial responses to precipitation changes of differing durations, we conducted a meta-analysis of data from 95 field studies with drought treatments and 109 field studies with elevated precipitation treatments. Our results indicated that microbial biomass carbon (MBC) decreased by 17% under drought and increased by 18% under elevated precipitation. Across all studies, the phospholipid fatty acid (PLFA) biomarkers for fungi and bacteria decreased significantly under drought but increased under elevated precipitation. In addition, the negative effect of drought on MBC tended to be greater at sites with a high aridity index, but the effect of elevated precipitation on MBC did not differ among sites. More importantly, the responses of MBC, fungal and bacterial PLFA abundance did not vary with treatment duration under drought, but under elevated precipitation, they increased in the first five years of treatment and declined thereafter. These results are important for our prediction of microbial responses to long-term precipitation change, because they imply that microbes acclimate to long-term elevated precipitation.",
keywords = "Drought, Precipitation change, Microbial biomass, Microbial community, Treatment duration",
author = "Shan Xu and Weixin Geng and Emma Sayer and Guoyi Zhou and Ping Zhou and Chengshuai Liu",
note = "The final publication is available at Springer via http://dx.doi.org/10.1007/s42832-020-0033-7",
year = "2020",
month = jun,
day = "1",
doi = "10.1007/s42832-020-0033-7",
language = "English",
volume = "2",
pages = "93--103",
journal = "Soil Ecology Letters",
issn = "2662-2297",
publisher = "Springer",
number = "2",

}

RIS

TY - JOUR

T1 - Soil microbial biomass and community responses to experimental precipitation change

T2 - A meta-analysis

AU - Xu, Shan

AU - Geng, Weixin

AU - Sayer, Emma

AU - Zhou, Guoyi

AU - Zhou, Ping

AU - Liu, Chengshuai

N1 - The final publication is available at Springer via http://dx.doi.org/10.1007/s42832-020-0033-7

PY - 2020/6/1

Y1 - 2020/6/1

N2 - The activity of soil microbes is strongly constrained by water availability. However, it is unclear how microbial activity responds to spatial and temporal changes in precipitation, particularly to long-term precipitation changes. To identify the spatiotemporal patterns of microbial responses to precipitation changes of differing durations, we conducted a meta-analysis of data from 95 field studies with drought treatments and 109 field studies with elevated precipitation treatments. Our results indicated that microbial biomass carbon (MBC) decreased by 17% under drought and increased by 18% under elevated precipitation. Across all studies, the phospholipid fatty acid (PLFA) biomarkers for fungi and bacteria decreased significantly under drought but increased under elevated precipitation. In addition, the negative effect of drought on MBC tended to be greater at sites with a high aridity index, but the effect of elevated precipitation on MBC did not differ among sites. More importantly, the responses of MBC, fungal and bacterial PLFA abundance did not vary with treatment duration under drought, but under elevated precipitation, they increased in the first five years of treatment and declined thereafter. These results are important for our prediction of microbial responses to long-term precipitation change, because they imply that microbes acclimate to long-term elevated precipitation.

AB - The activity of soil microbes is strongly constrained by water availability. However, it is unclear how microbial activity responds to spatial and temporal changes in precipitation, particularly to long-term precipitation changes. To identify the spatiotemporal patterns of microbial responses to precipitation changes of differing durations, we conducted a meta-analysis of data from 95 field studies with drought treatments and 109 field studies with elevated precipitation treatments. Our results indicated that microbial biomass carbon (MBC) decreased by 17% under drought and increased by 18% under elevated precipitation. Across all studies, the phospholipid fatty acid (PLFA) biomarkers for fungi and bacteria decreased significantly under drought but increased under elevated precipitation. In addition, the negative effect of drought on MBC tended to be greater at sites with a high aridity index, but the effect of elevated precipitation on MBC did not differ among sites. More importantly, the responses of MBC, fungal and bacterial PLFA abundance did not vary with treatment duration under drought, but under elevated precipitation, they increased in the first five years of treatment and declined thereafter. These results are important for our prediction of microbial responses to long-term precipitation change, because they imply that microbes acclimate to long-term elevated precipitation.

KW - Drought

KW - Precipitation change

KW - Microbial biomass

KW - Microbial community

KW - Treatment duration

U2 - 10.1007/s42832-020-0033-7

DO - 10.1007/s42832-020-0033-7

M3 - Journal article

VL - 2

SP - 93

EP - 103

JO - Soil Ecology Letters

JF - Soil Ecology Letters

SN - 2662-2297

IS - 2

ER -