（英文大气文献）[1-s2.0-S1470160X1830339X-main
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2019-03-19 08:50:16
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1-s2.0-S1470160X1830339X-mainContentslistsavailableatScienceDirectEcologicalIndicatorsjournalhomepage:www.elsevier.com/locate/ecolindOriginalArticlesIndicatorvalueoftreesforsoilreactionincool-humidforestsO.T.BoumanDepartmentofBiology,CapeBretonUniversity,Sydney,NovaScotiaB1P6L2,CanadaARTICLEINFOKeywords:pHCaAcidrainSeasaltHomoeostasisCapeBretonIslandABSTRACTAcidrain,soilmineralweathering,andtheinterceptionofdustandseasaltstillobscuretheevaluationoftreeeffectsonsoilreactioninmaturenaturalforests.Thenullhypothesisthattreespeciesandsizedonotdiffer-entiatesoilpHwastestedinfourways:(i)comparisonofanevergreenconiferecosystemwithahistoryofelevatedexposuretoacidifyingemissionsvs.adeciduousangiospermecosysteminaruralarea;(ii)soiltren-chingtoexcludemineralnutrientandwateruptakebytreesinthetwoecosystems;(iii)comparisonsofsoilpHandtheaccumulationofdecomposedorganicmaterialonthesoilsurface(Oh)beneathborealangiosperms,borealconifers,andtemperateangiospermsatthelandscapelevel;and,(iv)stand-levelcompa
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