26-Soil microbial communities drive the resistance

26-Soil microbial communities drive the resistance of ecosystem multifunctionality to global change in drylands across the globe.LETTERSoilmicrobialcommunitiesdrivetheresistanceofecosystemmultifunctionalitytoglobalchangeindrylandsacrosstheglobeManuelDelgado-Baquerizo,1,2*DavidJ.Eldridge,3VictoriaOchoa,2BeatrizGozalo,2BrajeshK.Singh4,5andFernandoT.Maestre2AbstractTherelationshipbetweensoilmicrobialcommunitiesandtheresistanceofmultipleecosystemfunctionslinkedtoC,NandPcycling(multifunctionalityresistance)toglobalchangehasneverbeenassessedgloballyinnaturalecosystems.Wecollectedsoilsfrom59drylandecosystemsworldwidetoinvestigatetheimportanceofmicrobialcommunitiesaspredictorofmultifunctional-ityresistancetoclimatechangeandnitrogenfertilisation.Multifunctionalityhadalowerresis-tancetowetting–dryingcyclesthantowarmingorNdeposition.Multifunctionalityresistancewasregulatedbychangesinmicrobialcomposition(relativeabundanceofphylotypes)butnotbyrich-ness,totalabundanceoffungiandbacteriaorthefungal:ba