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Microbial necromass carbon and nitrogen persistence are decoupled in agricultural grassland soils

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Microbial necromass carbon and nitrogen persistence are decoupled in agricultural grassland soils. / Buckeridge, K.M.; Mason, K.E.; Ostle, N. et al.
In: Communications Earth and Environment, Vol. 3, No. 1, 114, 13.05.2022.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Buckeridge, KM, Mason, KE, Ostle, N, McNamara, NP, Grant, HK & Whitaker, J 2022, 'Microbial necromass carbon and nitrogen persistence are decoupled in agricultural grassland soils', Communications Earth and Environment, vol. 3, no. 1, 114. https://doi.org/10.1038/s43247-022-00439-0

APA

Buckeridge, K. M., Mason, K. E., Ostle, N., McNamara, N. P., Grant, H. K., & Whitaker, J. (2022). Microbial necromass carbon and nitrogen persistence are decoupled in agricultural grassland soils. Communications Earth and Environment, 3(1), Article 114. https://doi.org/10.1038/s43247-022-00439-0

Vancouver

Buckeridge KM, Mason KE, Ostle N, McNamara NP, Grant HK, Whitaker J. Microbial necromass carbon and nitrogen persistence are decoupled in agricultural grassland soils. Communications Earth and Environment. 2022 May 13;3(1):114. doi: 10.1038/s43247-022-00439-0

Author

Buckeridge, K.M. ; Mason, K.E. ; Ostle, N. et al. / Microbial necromass carbon and nitrogen persistence are decoupled in agricultural grassland soils. In: Communications Earth and Environment. 2022 ; Vol. 3, No. 1.

Bibtex

@article{e153d1f31e674df8a7240b3dce73ec04,
title = "Microbial necromass carbon and nitrogen persistence are decoupled in agricultural grassland soils",
abstract = "Microbial necromass is an important component of soil organic matter, however its persistence and contribution to soil carbon sequestration are poorly quantified. Here, we investigate the interaction of necromass with soil minerals and compare its persistence to that of plant litter in grassland soils under low- and high-management intensity in northwest England. During a 1-year laboratory-based incubation, we find carbon mineralization rates are higher for plant leaf litter than root litter and necromass, but find no significant difference in carbon persistence after 1 year. During a field experiment, approximately two thirds of isotopically-labelled necromass carbon became mineral-associated within 3 days. Mineral-associated carbon declined more rapidly than nitrogen over 8 months, with the persistence of both enhanced under increased management intensity. We suggest that carbon mineralisation rates are decoupled from carbon persistence and that necromass carbon is less persistent than necromass nitrogen, with agricultural management intensity impacting carbon sequestration in grasslands. ",
author = "K.M. Buckeridge and K.E. Mason and N. Ostle and N.P. McNamara and H.K. Grant and J. Whitaker",
year = "2022",
month = may,
day = "13",
doi = "10.1038/s43247-022-00439-0",
language = "English",
volume = "3",
journal = "Communications Earth and Environment",
number = "1",

}

RIS

TY - JOUR

T1 - Microbial necromass carbon and nitrogen persistence are decoupled in agricultural grassland soils

AU - Buckeridge, K.M.

AU - Mason, K.E.

AU - Ostle, N.

AU - McNamara, N.P.

AU - Grant, H.K.

AU - Whitaker, J.

PY - 2022/5/13

Y1 - 2022/5/13

N2 - Microbial necromass is an important component of soil organic matter, however its persistence and contribution to soil carbon sequestration are poorly quantified. Here, we investigate the interaction of necromass with soil minerals and compare its persistence to that of plant litter in grassland soils under low- and high-management intensity in northwest England. During a 1-year laboratory-based incubation, we find carbon mineralization rates are higher for plant leaf litter than root litter and necromass, but find no significant difference in carbon persistence after 1 year. During a field experiment, approximately two thirds of isotopically-labelled necromass carbon became mineral-associated within 3 days. Mineral-associated carbon declined more rapidly than nitrogen over 8 months, with the persistence of both enhanced under increased management intensity. We suggest that carbon mineralisation rates are decoupled from carbon persistence and that necromass carbon is less persistent than necromass nitrogen, with agricultural management intensity impacting carbon sequestration in grasslands.

AB - Microbial necromass is an important component of soil organic matter, however its persistence and contribution to soil carbon sequestration are poorly quantified. Here, we investigate the interaction of necromass with soil minerals and compare its persistence to that of plant litter in grassland soils under low- and high-management intensity in northwest England. During a 1-year laboratory-based incubation, we find carbon mineralization rates are higher for plant leaf litter than root litter and necromass, but find no significant difference in carbon persistence after 1 year. During a field experiment, approximately two thirds of isotopically-labelled necromass carbon became mineral-associated within 3 days. Mineral-associated carbon declined more rapidly than nitrogen over 8 months, with the persistence of both enhanced under increased management intensity. We suggest that carbon mineralisation rates are decoupled from carbon persistence and that necromass carbon is less persistent than necromass nitrogen, with agricultural management intensity impacting carbon sequestration in grasslands.

U2 - 10.1038/s43247-022-00439-0

DO - 10.1038/s43247-022-00439-0

M3 - Journal article

VL - 3

JO - Communications Earth and Environment

JF - Communications Earth and Environment

IS - 1

M1 - 114

ER -