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《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2012年11期

Page:

69-72

Research Field:

Publishing date:

Info

Title:

ResearchonAbsorptionandAccumulationCapacityofTreeSpeciesto SO₂UnderDifferentPollutedConditions

Author(s):

HUShu; XIAOXin; JIAHan-shuai

SchoolofEnvironmentScienceandSpatialInformatics，ChinaUniversityofMiningandTechnology，JiangsuProvincialKeyLaboratoryofResourcesandEnvironmentalInformationSystem，Xuzhou，Jiangsu221008

Keywords:

treespecies; airpollution; SO₂; pollutedarea; relativelycleanarea

PACS:

S718.5

DOI:

-

Abstract:

HNO₃-HClO₄digestionandBaSO₄turbidimetrymethodswereusedtodeterminethesulfurcontentin13kindsoftreeleavesinpollutedandrelativelycleanarea.Throughthesingle-factoranalysisofvarianceandclusteranalysis，thedifferencesofabsorptionandaccumulationcapacityforSO₂betweenthevariousspecieswerecompared.ThespecieswithstrongabilitytopurifySO₂werefilteredtoprovideascientificbasisforfuturerestructuringandtransformationofgreenspecies.Theresultsshowedthatinthesamepollutedconditions，absorptionandaccumulationcapacitiesofthespeciesforSO₂hadprevalencesignificantdifferences.WiththeincreasecontentofSO₂，thedifferencesweremoresignificant.TheabsorptionandaccumulationcapacitiesofonespeciesforSO₂hadprevalencesignificantdifferencesunderdifferentpollutedconditions.LigustrumlucidumhadastrongabilitytoabsorbandaccumulateSO₂.Populuseuramevicanacv,Platanus×acerifoliaandCedrushadstrongpotentialabilitiesofabsorptionandaccumulationforSO₂.Ligustrumlucidum，Populuseuramevicanacv,Platanus×acerifoliaandCedruswereidealspeciesforpurifyingSO₂.Coniferspecies’absorptionandaccumulationabilityforSO₂wasgenerallyweakerthanbroad-leavedspecies.

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Last Update: 2014-09-29