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Aptroot, A./ van Dort, K. 2016: Drie boerenkoolmossen op één houten stuw [Three corticolous cetrarioid lichens found on a wooden sluice]. - Buxbaumiella 105: 1-3. [RLL List # 242 / Rec.# 37421]
Abstract: Three corticolous cetrarioid lichens found on a wooden sluice Vulpicida pinastri, Tuckermannopsis chlorophylla, Platismatia glauca, Parmeliopsis ambigua, and Usnea esperantiana were found on a small wooden sluice in a raised bog area that is otherwise more or less devoid of epiphytic lichens. The sluice was built c. 20 years ago to retain a higher water level in the raised bog. These acidophytes have sharply declined in the Netherlands, and for Vulpicida pinastri and Usnea esperantiana this sluice is just about the only known existing locality in the country. The decline has been attributed to the increased ammonia air pollution. Their occurrence shows that such an extensive area of raised bog catches all ammonia from the air, so that the central area of the bog has no significant ammonia pollution. Diaspores of these rare acidophytic species appear to be able to find localities that are still suitable for them. Because source populations all but disappeared from the Netherlands, the diaspores of the rarest species are likely to originate from abroad.
Countries/Continents: Europe/Netherlands
URL: http://www.blwg.nl/mossen/buxbaumiella/buxindex.aspx?nr=209
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