25-Climate-related changes of soil characteristics

25-Climate-related changes of soil characteristics affect bacterial community composition and function of high altitude and latitude lakes.Climate-relatedchangesofsoilcharacteristicsaffectbacterialcommunitycompositionandfunctionofhighaltitudeandlatitudelakesCARINAROFNER1,HANNESPETER1*,N�URIACATAL�AN2,3,FABIANDREWES1†,RUBENSOMMARUGA1andMAR�IATERESAP�EREZ11LakeandGlacierEcologyResearchGroup,InstituteofEcology,UniversityofInnsbruck,Technikerstraße25,Innsbruck,Austria,2Limnology,DepartmentofEcologyandGenetics,UniversityofUppsala,Uppsala,Sweden,3CatalanInstituteforWaterResearch(ICRA),EmiliGrahit101,Girona17003,SpainAbstractLakesathighaltitudeandlatitudearetypicallyunproductiveecosystemswhereexternalfactorsoutweightherelativeimportanceofin-lakeprocesses,makingthemidealsentinelsofclimatechange.Climatechangeisinducingupwardvegetationshiftsathighaltitudeandlatituderegionsthattranslateintochangesinthepoolsofsoilorganicmatter.Uponmobilization,thisallochthonousorganicmattermayrapidlyalterthecompos