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Meesia Triquetra, a New Relict Moss for the Republic of Macedonia

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Meesia Triquetra, a New Relict Moss for the Republic of Macedonia 66 Herzogia 29 (1), 2016: 66 –71 Meesia triquetra, a new relict moss for the Republic of Macedonia Tomáš Peterka*, Zuzana Plesková, Salza Palpurina, Veronika Kalníková, Predrag M. Lazarević & Michal Hájek Abstract: Peterka, T., Plesková, T., Palpurina, S., Kalníková, V., Lazarević, P. M. & Hájek, M. 2016. Meesia triquetra, a new relict moss for the Republic of Macedonia. – Herzogia 29: 66 –71. Meesia triquetra is a circumpolar boreo-arctic moss species typical for well preserved fens, and is rare in southern Europe. During field research on mire vegetation in the Balkan Peninsula, a population of Meesia triquetra was found at the Begovo pole wetland in the Jakupica Mountains. It is the first record of this species for the Republic of Macedonia. A description of the locality, ecological conditions and vegetation is presented. The moss grows here in the sedge-moss vegetation similar to temperate fens of the alliance Caricion davallianae. The vegetation with Meesia triquetra in Begovo pole was evaluated in the context of fen vegetation more generally in the Balkans using detrended correspond- ence analysis. The study site appeared to be similar to other Balkan calcium-rich brown-moss fens without calcium carbonate precipitation. This habitat resembles the optimum habitat of the species in central and northern Europe. Zusammenfassung: Peterka, T., Plesková, T., Palpurina, S., Kalníková, V., Lazarević, P. M. & Hájek, M. 2016. Meesia triquetra, ein neues Reliktmoos für die Republik Mazedonien. – Herzogia 29: 66 –71. Meesia triquetra ist eine zirkumpolare boreo-arktische Moosart, die typisch für gut erhaltene basenreiche Niedermoore ist und die in Südeuropa sehr selten vorkommt. Im Rahmen von Geländestudien zur Moorvegetation auf der Balkan- Halbinsel wurde eine Population von Meesia triquetra im Begovo pole-Feuchtgebiet im Jakupica-Gebirge gefunden. Es handelt sich um den ersten Nachweis für die Republik Mazedonien. Der Fundort, die ökologischen Bedingungen und die Vegetation werden beschrieben. Das Moos wächst hier in Seggen-Moos-Vegetation, die dem Caricion davallianae gemäßigter Niedermoore ähnelt. Die Vegetation mit Meesia triquetra in Begovo pole wurde mittels DCA (detrended correspondence analysis) im Kontext der gesamten Variabilität der Niedermoor-Vegetation der Balkanländer ausgewer- tet. Das Untersuchungsgebiet scheint anderen Calcium-reichen Braunmoosmooren ohne Calciumcarbonat-Ausfällung der Balkanhalbinsel ähnlich zu sein. Dieser Standort entspricht dem Optimum der Art in Mittel- und Nordeuropa. Key words: Balkans, bryophytes, fens, plant communities. Introduction Meesia triquetra (family Meesiaceae) is a characteristic species of well-preserved minero- trophic mires (fens) with stable water regime (Pawlikowski 1996, Berg & Dengler 2005, Štechová et al. 2010). The distributional range of the species spans Europe, Caucasus, Siberia, Greenland, northern part of North America and south-eastern Australia (Ochyra et al. 1988). In Europe, the species is mostly confined to the arctic and boreal zone and becomes rare to the south where it is usually restricted to mountain or highland areas, e.g. the Alps, the Bohemian Massif, and the Carpathians (Rybníček 1966, Krisai 1985, Nebel & Philippi 2000, Dítě et al. 2010, Šoltés et al. 2015). Although isolated occurrences of the moss can * Corresponding author.
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