Potentialimpactofclimatechangeongrowthandwoodquality.ppt

PotentialimpactofclimatechangeongrowthandwoodqualityinwhitespruceChristopheANDALO1,2,JeanBEAULIEU1&JeanBOUSQUET21NaturalResourcesCanada,CanadianForestService,LaurentianForestryCentre,.,,Sainte-Foy,Quebec,CanadaG1V4C72CRBF,UniversitéLaval,Sainte-Foy,Québec,CanadaG1K7P4Generalcirculationmodels(GCM),GCM’sspatialresolutionisstillpoorandthepredictionofregionalclimatechangeremainslimited,,ourobjectivewastointegrateseveraldifferentclimatevariables(seeTable2)relatedtotemperatureandprecipitationinordertodevelopmodelsoftreeresponsetomajorenvironmentaldisturbancesStatisticalanalysesDataanalysisfollowedaprocedureoutlinedbySchmidtling(1994).:-Phenotypicdatacenteredonsitemeanswerefirstregressedonclimaticdistancestoidentifytheclimaticvariableexplainingthelargestproportionoftheinter-provenancevariation.-Localsourceperformanceswereestimatedforeachsitewithaquadraticregressionmodelusingtheindependentvariablesidentifiedinthefirststep(Phenotype=climate+error;climate=0forthelocalsource);-biningdataofthethreesitesandusingasdependentvariabl