Lechowicz1982a

Référence

Lechowicz, M.J. (1982) The effects of simulated acid precipitation on photosynthesis in the caribou lichen Cladina stellaris (Opiz) Brodo. Water, Air, and Soil Pollution, 18(1-3):421-430.

Résumé

The photosynthetic capacity of the caribou lichen, Cladina stellaris, was impaired when the lichen was wetted by artificial acid precipitation. When wetted by a solution having a pH = 4.0 and a sulfate concentration = 10.00 mg l-1, the maximal photosynthetic capacity was lowered 27% from normal levels. Moreover, the lichen which is dormant when dry, took 14% longer after wetting to attain even this reduced rate of photosynthesis. The possibility that lichen growth rates may be reduced by acid precipitation with serious implications for many northern ecosystems is discussed.

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@ARTICLE { Lechowicz1982a,
    AUTHOR = { Lechowicz, M.J. },
    TITLE = { The effects of simulated acid precipitation on photosynthesis in the caribou lichen Cladina stellaris (Opiz) Brodo },
    JOURNAL = { Water, Air, and Soil Pollution },
    YEAR = { 1982 },
    VOLUME = { 18 },
    PAGES = { 421-430 },
    NUMBER = { 1-3 },
    NOTE = { 00496979 (ISSN) Cited By (since 1996): 14 Export Date: 26 April 2007 Source: Scopus CODEN: WAPLA Language of Original Document: English },
    ABSTRACT = { The photosynthetic capacity of the caribou lichen, Cladina stellaris, was impaired when the lichen was wetted by artificial acid precipitation. When wetted by a solution having a pH = 4.0 and a sulfate concentration = 10.00 mg l-1, the maximal photosynthetic capacity was lowered 27% from normal levels. Moreover, the lichen which is dormant when dry, took 14% longer after wetting to attain even this reduced rate of photosynthesis. The possibility that lichen growth rates may be reduced by acid precipitation with serious implications for many northern ecosystems is discussed. },
    KEYWORDS = { acid lichen photosynthesis precipitation },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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