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Adams, M. D./ C. Gottardo 2012: Measuring lichen specimen characteristics to reduce relative local uncertainties for trace element biomonitoring. - Atmospheric Pollution Research 3(3): 325-330. [RLL List # 232 / Rec.# 35012]
Keywords: ICP/ Lichen biomonitoring/ Local variation/ Trace element pollution/ Usnea subfloridana
Abstract: Local variation (within sampling sites) affects lichen air pollution biomonitoring of trace element deposition patterns. When comparing between sampling sites, global variation must be greater than local variation, thus reducing local variation is important in biomonitoring studies. To reduce local variability, sampling protocols are introduced, primarily minimum sampling height and less often sampling aspect. This study, introduces further protocols, which can help to reduce within site variation. First, the research design removed spatial variation by sampling a single tree. One-thousand and thirty-seven individual specimens of Usnea subfloridana were collected and aggregated into 97 samples based on similar collection height, aspect and mass. Samples were tested by inductively coupled plasma

URL: http://dx.doi.org/10.5094/APR.2012.036

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