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  • Investigating Jacaranda mimosifolia tree as biomonitor of atmospheric trace metals.

    Author(s) : Olowoyo, J. O.Heerden, E. vanFischer, J. L.

    Author Affiliation : Department of Biology, University of Limpopo (Medunsa Campus), Medunsa, South Africa.

    Author Email : woleolowoyo@yahoo.com

    Journal article : Environmental Monitoring and Assessment 2010 Vol.164 No.1/4 pp.435-443 ref.22

    Abstract : Studies on the use of tree bark as biomonitors for environmental pollutants are still very scarce. We evaluated the reliability of using Jacaranda mimosifoliajacaranda mimosifoliaSubject Category: Organism Names
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    , a common tree in Tshwane City of South Africasouth africaSubject Category: Geographic Entities
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    , as a suitable biomonitor of atmospheric trace metals. Bark samples were collected from ten different locations during two sampling periods. The concentrations of the metals were determined by inductively coupled plasma mass spectrometry. The concentrations of the metals were 33.2-1,795 µg/g (Pb), 21.4-210 µg/g (Cu), 68.4-490 µg/g (Zn), 30.6-2,916 µg/g (Cr), 0.12-1.34 µg/g (Cd), and 6.04-68.0 µg/g (V), respectively. The differences obtained for the results from different sites were significant (p<0.05). A significant difference was also observed between the two sampling periods. The trace metals concentrations suggested that automobile emissions are a major source of these metals. The study also confirms the suitability of J. mimosifolia as a biomonitor of atmospheric deposition of these metals.

    ISSN : 0167-6369

    DOI : 10.1007/s10661-009-0904-y

    Record Number : 20103182155

    Publisher : Springer

    Location of publication : Amsterdam

    Country of publication : The Netherlands

    Language of text : English

    Indexing terms for this abstract:

    Organism descriptor(s) : CoperniciacoperniciaSubject Category: Organism Names
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    , Jacaranda mimosifoliajacaranda mimosifoliaSubject Category: Organism Names
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    , plantsplantsSubject Category: Organism Names
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    Descriptor(s) : air pollutionair pollutionSubject Category: Miscellaneous
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    , biological indicatorsbiological indicatorsSubject Category: Miscellaneous
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    , cadmiumcadmiumSubject Category: Chemicals and Chemical Groups
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    , chromiumchromiumSubject Category: Chemicals and Chemical Groups
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    , heavy metalsheavy metalsSubject Category: Chemicals and Chemical Groups
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    , indicator plantsindicator plantsSubject Category: Organism Groups
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    , indicator speciesindicator speciesSubject Category: Organism Groups
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    , leadleadSubject Category: Chemicals and Chemical Groups
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    , vanadiumvanadiumSubject Category: Chemicals and Chemical Groups
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    , zinczincSubject Category: Chemicals and Chemical Groups
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    Identifier(s) : atmospheric pollution, indicator organisms, plant indicators, subsaharan Africa

    Geographical Location(s) : Africa South of Saharaafrica south of saharaSubject Category: Geographic Entities
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    , South Africasouth africaSubject Category: Geographic Entities
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    Broader term(s) : ArecaceaearecaceaeSubject Category: Organism Names
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    , ArecalesarecalesSubject Category: Organism Names
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    , commelinidscommelinidsSubject Category: Organism Names
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    , monocotyledonsmonocotyledonsSubject Category: Organism Names
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    , angiospermsangiospermsSubject Category: Organism Names
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    , SpermatophytaspermatophytaSubject Category: Organism Names
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    , plantsplantsSubject Category: Organism Names
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    , eukaryoteseukaryotesSubject Category: Organism Names
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    , JacarandajacarandaSubject Category: Organism Names
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    , BignoniaceaebignoniaceaeSubject Category: Organism Names
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    , LamialeslamialesSubject Category: Organism Names
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    , eudicotseudicotsSubject Category: Organism Names
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    , Anglophone Africaanglophone africaSubject Category: Geographic Entities
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    , AfricaafricaSubject Category: Geographic Entities
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    , Commonwealth of Nationscommonwealth of nationsSubject Category: Institutions and Organisations
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    , Developing Countriesdeveloping countriesSubject Category: Miscellaneous
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    , Southern Africasouthern africaSubject Category: Geographic Entities
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    , Africa South of Saharaafrica south of saharaSubject Category: Geographic Entities
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    , Threshold Countriesthreshold countriesSubject Category: Miscellaneous
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