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    Author(s): Barbara Kieliszewska-Rokicka; Maria Rudawska; Tomasz Leski
    Date: 1998
    Source: In: Bytnerowicz, Andrzej; Arbaugh, Michael J.; Schilling, Susan L., tech. coords. Proceedings of the international symposium on air pollution and climate change effects on forest ecosystems. Gen. Tech. Rep. PSW-GTR-166. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station: 205-214
    Publication Series: General Technical Report (GTR)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (630 KB)

    Description

    Ectomycorrhizae of Scots pine (Pinus sylvestris L.) trees grown in forests influenced by different levels of air pollutants were investigated. Total numbers of mycorrhizal root tips in the soil horizons and the frequency of mycorrhizal morphotypes were compared as indicators of ectomycorrhizal status. The studies were conducted in two comparable young pine plantations in western Poland and in two mature forest ecosystems in southern Poland differing in pollution level. Soil at the polluted young pine plantation (Lubon) had lower pH and increased availability of aluminum ions than the control site (Kornik). During 3 years of observations a lower number (50 percent) of mycorrhizal root tips per soil volume were found at the polluted site compared to the control site. The percentage of particular mycorrhizal morphotypes in the two young pine plantations was similar. The mature pine stands represented heavily-polluted (Niepolomice Forest) and moderately-polluted (Ratanica forest catchment) forest ecosystems. The total number of mycorrhizae in the Niepolomice Forest was lower in sites located closer to the urban-industrial area than at more distant plots. In the Ratanica Forest catchment the total number of mycorrhizal root tips varied between the sampling sites; however, on an average it was considerably higher than in the Niepolomice Forest. The mycorrhizal diversity at the heavily-polluted stand was reduced (four mycorrhizal morphotypes) as compared to the moderately-polluted site (eight mycorrhizal morphotypes). The results indicated that ectomycorrhizae of mature Scots pine trees were more affected by environmental pollutants than mycorrhizae at young pine plantations.

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    Citation

    Kieliszewska-Rokicka, Barbara; Rudawska, Maria; Leski, Tomasz. 1998. Ectomycorrhizae of young and mature Scots pine trees in industrial regions in Poland. In: Bytnerowicz, Andrzej; Arbaugh, Michael J.; Schilling, Susan L., tech. coords. Proceedings of the international symposium on air pollution and climate change effects on forest ecosystems. Gen. Tech. Rep. PSW-GTR-166. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station: 205-214

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