SongJiangZhangEtAl2011

Référence

Song, X.Z., Jiang, H., Zhang, H.L., Peng, C. and Yu, S.Q. (2011) Elevated UV-B radiation did not affect decomposition rates of needles of two coniferous species in subtropical China. European Journal of Soil Biology, 47(6):343-348. (URL )

Résumé

The increased level of ultraviolet-B (UV-B) radiation reaching the earth's surface has profound implications for altering terrestrial ecosystem processes such as litter decomposition and nutrient cycling. Here we report on a field experiment that investigated the direct effect of elevated UV-B radiation on the rate of decomposition, lignin degradation, and N and P release from needle litter of two native coniferous species, Cunninghamia lanceolata and Pinus massoniana, in humid subtropical China. Elevated UV-B irradiation did not significantly accelerate litter mass loss and lignin photodegradation of the two species. Elevated UV-B irradiation accelerated the release of N and P from the litter of C. lanceolata, but not from that of P. massoniana. Our data indicated that elevated UV-B irradiation would accelerate N and P turnover in C. lanceolata forest. Our findings will contribute to the better understanding of the role of UV-B radiation in moist subtropical region.

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@ARTICLE { SongJiangZhangEtAl2011,
    AUTHOR = { Song, X.Z. and Jiang, H. and Zhang, H.L. and Peng, C. and Yu, S.Q. },
    TITLE = { Elevated UV-B radiation did not affect decomposition rates of needles of two coniferous species in subtropical China },
    JOURNAL = { European Journal of Soil Biology },
    YEAR = { 2011 },
    VOLUME = { 47 },
    PAGES = { 343-348 },
    NUMBER = { 6 },
    ABSTRACT = { The increased level of ultraviolet-B (UV-B) radiation reaching the earth's surface has profound implications for altering terrestrial ecosystem processes such as litter decomposition and nutrient cycling. Here we report on a field experiment that investigated the direct effect of elevated UV-B radiation on the rate of decomposition, lignin degradation, and N and P release from needle litter of two native coniferous species, Cunninghamia lanceolata and Pinus massoniana, in humid subtropical China. Elevated UV-B irradiation did not significantly accelerate litter mass loss and lignin photodegradation of the two species. Elevated UV-B irradiation accelerated the release of N and P from the litter of C. lanceolata, but not from that of P. massoniana. Our data indicated that elevated UV-B irradiation would accelerate N and P turnover in C. lanceolata forest. Our findings will contribute to the better understanding of the role of UV-B radiation in moist subtropical region. },
    DOI = { 10.1016/j.ejsobi.2011.08.008 },
    ISSN = { 1164-5563 },
    KEYWORDS = { Nutrient cycle },
    OWNER = { amriv2 },
    TIMESTAMP = { 2012.08.02 },
    URL = { http://www.sciencedirect.com/science/article/pii/S1164556311000884 },
}

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