Air pollution effects on spruces close to a heavily trafficated road in western Sweden are observed through infrared photography from aeroplanes. About 50% of the old spruces suffer from thinning of the crowns. (L.E.).


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    Title :

    Effekter av luftfoeroreningar fraan vaegtrafik paa naerliggande skog. (Effects of air pollutants from road traffic on adjacent forests)


    Contributors:
    S. Ekstrand (author)

    Publication date :

    1991


    Size :

    25 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English