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    Author(s): Paul C. Rogers; Kori D. Moore; Ronald J. Ryel
    Date: 2009
    Source: Journal of Vegetation Science. 20: 498-510.
    Publication Series: Miscellaneous Publication
    PDF: Download Publication  (420 B)

    Description

    Forty-seven randomly selected mid-elevation aspen stands were sampled for lichens and stand conditions. Plots were characterized according to tree species cover, basal area, stand age, bole scarring, tree damage, and presence of lichen species. We also recorded ammonia emissions with passive sensors at 25 urban and agricultural sites throughout an adjacent populated valley upwind of the forest stands. Nonmetric multidimensional scaling (NMS) ordination was used to evaluate an array of 20 variables suspected to influence lichen communities.

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    Citation

    Rogers, Paul C. ; Moore, Kori D.; Ryel, Ronald J. 2009. Aspen succession and nitrogen loading: a case for epiphytic lichens as bioindicators in the Rocky Mountains, USA. Journal of Vegetation Science. 20: 498-510.

    Keywords

    community analysis, macrolichens, ordination, ammonia, Phaeophyscia nigricans, Populus tremuloides

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