1987
DOI: 10.3133/ofr87169
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Element baselines for Redwood National Park, California; composition of the epiphytic lichens Hypogymnia enteromorpha and Usnea spp.

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Cited by 4 publications
(1 citation statement)
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“…The observed metal contents in Estonian P. schreberii and H. physodes are close to the lowest values of Europe and North America, in Cladina medium concentrations have been detected. Some observations exist from the areas, where the metal contents are quite near the original background levels (Lodenius, Kumpulainen, 1983;Särkelä, Nuorteva, 1987;Gaugh et al, 1988). Our results show that the Estonian levels of Cd in P. sylvestris, H. physodes, and P. schreberii arc generally higher than reported in these works, but for Zn the levels were lower for H. physodes and equal in pine needles.…”
Section: Resultssupporting
confidence: 50%
“…The observed metal contents in Estonian P. schreberii and H. physodes are close to the lowest values of Europe and North America, in Cladina medium concentrations have been detected. Some observations exist from the areas, where the metal contents are quite near the original background levels (Lodenius, Kumpulainen, 1983;Särkelä, Nuorteva, 1987;Gaugh et al, 1988). Our results show that the Estonian levels of Cd in P. sylvestris, H. physodes, and P. schreberii arc generally higher than reported in these works, but for Zn the levels were lower for H. physodes and equal in pine needles.…”
Section: Resultssupporting
confidence: 50%