18-Soil microbial diversity drives the priming eff

18-Soil microbial diversity drives the priming effect along climate gradients a case study in MadagascarORIGINALARTICLESoilmicrobialdiversitydrivestheprimingeffectalongclimategradients:acasestudyinMadagascarKantoRazanamalala1,TantelyRazafimbelo1,Pierre-AlainMaron2,LionelRanjard2,NicolasChemidlin2,MélanieLelièvre3,SamuelDequiedt3,VolaniainaHRamaroson1,ClaireMarsden4,ThierryBecquer5,JeanTrap5,6,EricBlanchart5,6andLaetitiaBernard5,61LaboratoiredesRadio-Isotopes,Antananarivo,Madagascar;2INRA,UMR1347Agroécologie,Dijon,France;3INRA,PlateformeGenoSol,UMR1347Agroécologie,Dijon,France;4Supagro,UMR210Eco&Sols,MontpellierCedex1,France;5IRD,UMR210Eco&Sols,MontpellierCedex1,Franceand6IRD,UMR210Eco&Sols,LaboratoiredesRadio-Isotopes,Antananarivo,MadagascarTheprimingeffectinsoilisproposedtobegeneratedbytwodistinctmechanisms:‘stoichiometricdecomposition’and/or‘nutrientmining’theories.Eachmechanismhasitsowndynamics,involvesitsownmicrobialactors,andtargetsdifferentsoilorganicmatter(SOM)pools.Thepresentst