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22 September 2015 Fern-dominated Rock Plant Communities of Tajikistan (Middle Asia)
Arkadiusz Nowak, Sylwia Nowak, Marcin Nobis, Agnieszka Nobis
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The results of phytosociological research conducted on the fern vegetation of rock crevices and clefts of the Pamir-Alai Mountains in Tajikistan are presented. During field surveys done in 2010–2013, 78 phytosociological relevés were sampled. Plant species were recorded according to the Braun-Blanquet cover-abundance scale. A synopsis of the fern communities of the montane and high altitude zones in Tajikistan is proposed. In the examined vegetation plots, species of 9 ferns, 58 angiosperms and 13 mosses were recorded. The most frequent ferns were: Cystopteris fragilis, Cheilanthes persica, Asplenium ruta-muraria, Asplenium ceterach, Adiantum capillus-veneris and Cryptogramma stelleri. Six plant associations could be distinguished: Cheilanthetum persicae, Cryptogrammetum stelleri, Soncho transcaspici-Adiantetum capilli-veneris, Asplenio-Ceterachetum officinarum, Asplenio-Cystopteridetum fragilis, and Asplenietum trichomano-rutae-murariae. The first three associations are described for the first time. The main factors determining the species composition of classified associations are elevation range, microhabitat humidity and moss cover. A minor role is played by the geographic distribution range and rock type.

© 2015 American Fern Society
Arkadiusz Nowak, Sylwia Nowak, Marcin Nobis, and Agnieszka Nobis "Fern-dominated Rock Plant Communities of Tajikistan (Middle Asia)," American Fern Journal 105(3), 176-198, (22 September 2015).
Published: 22 September 2015
Alpine vegetation
Pamir-Alai Mountains
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