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LICHENS GROWING ALONG THE ROAD BETWEEN WĄGROWIECAND MARGONIN (WIELKOPOLSKA REGION)
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The subject of the investigation was the lichen biota along road No 190 from Margonin to Wągrowiec (about 20 km). The field studies were conducted on 30 randomly chosen sites, situated 500-1.000 m apart from each other. In each of them the lichens were collected from 4-6 trees on either side of the road, and from other habitats: concrete poles, fallen branches and the soil. Presence of 61 taxa was stated, among them 18 under legal protection and/or endangered in Poland. They include Cladonia mitis, Collema auriforme, Evernia prunastri, Melanelia exasperatula, Opegrapha rufescens, O. varia, Parmelina tiliacea, Peltigera canina, Pertusaria coccodes, Phaeophyscia chloantha, Physcia aipolia, Physconia distorta, Pleurosticta acetabulum, Punctelia subrudecta, Ramalina farinacea, R. fraxinea, R. pollinaria and Xanthoparmelia verruculifera. The above mentioned species, the most valuable from the point of view of nature protection, tended to concentrate around Margonin. On a old lime alley close to Wągrowiec the lichen biota was poor, and only the most common taxa (Hypocoenomyce scalaris, Lepraria incana, Phaeophyscia orbicularis, Trapeliopsis flexuosa and Xanthoria parietina ) were identified there. It may be related to higher air pollution in the vicinity of the town of Wągrowiec. Notably, old trees, even when growing along quite busy roads, may still host protected and endangered lichens in the prevailing open, agricultural landscape of Wielkopolska.
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35-49
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2020-09-17
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Publication order reference
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bwmeta1.element.ojs-doi-10_14746_bfb_2019_9_3
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