9-Microbial temperature sensitivity and biomass ch

9-Microbial temperature sensitivity and biomass change explain soil carbon loss with warmingLettershttps://doi.org/10.1038/s41558-018-0259-x1DepartmentofMicrobiology&EcosystemScience,DivisionofTerrestrialEcosystemResearch,UniversityofVienna,Vienna,Austria.2DepartmentofEcology&Evolution,UniversitédeLausanne,Lausanne,Switzerland.3InstituteofAppliedSystemsAnalysis,Laxenburg,Austria.4DepartmentofMicrobiology&EcosystemScience,DivisionofMicrobialEcology,UniversityofVienna,Vienna,Austria.5DepartmentofBiology,UniversityofAntwerp,Antwerp,Belgium.6AgriculturalUniversityofIceland,Hvanneyri,Borgarnes,Iceland.*e-mail:thomas.walker@unil.ch;andreas.richter@univie.ac.atSoilmicroorganismscontrolcarbonlossesfromsoilstotheatmosphere1–3,yettheirresponsestoclimatewarmingareoftenshort-livedandunpredictable4–7.Twomechanisms,microbialacclimationandsubstratedepletion,havebeenproposedtoexplaintemporarywarmingeffectsonsoilmicro-bialactivity8–10.However,empiricalsupportforeithermecha-nismisunconvincing.Hereweused