Physical protection regulates microbial thermal responses to chronic soil warming

Climate warming can affect the temperature sensitivity of microbial activity and growth efficiency, possibly explained by changes to microbially unavailable carbon (C) protected within in soil aggregates. We assessed physical protection by crushing macroaggregates (250–2000 μm) and microaggregates (...

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Veröffentlicht in:	Soil biology & biochemistry 2021-08, Vol.159 (C), p.108298, Article 108298
Hauptverfasser:	Liu, Xiao Jun Allen, Frey, Serita D., Melillo, Jerry M., DeAngelis, Kristen M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aggregation and fractionation Carbon sequestration and storage Growth efficiency and adaptation Isotopic H218O labeling Mass specific growth rate Soil organic matter
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Beschreibung
Zusammenfassung:	Climate warming can affect the temperature sensitivity of microbial activity and growth efficiency, possibly explained by changes to microbially unavailable carbon (C) protected within in soil aggregates. We assessed physical protection by crushing macroaggregates (250–2000 μm) and microaggregates (
ISSN:	0038-0717 1879-3428
DOI:	10.1016/j.soilbio.2021.108298