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In this study, the vegetation of epiphytic bryophytes in the Kamilet Valley and its surroundings (Arhavi, Artvin) was investigated. The study area is located within the borders of the Eastern Black Sea Mountains and is one of the 122 important plant areas in Turkey. The investigation of epiphytic bryophyte communities was carried out in 2016 during different vegetation periods according to Braun-Blanquet's phytosociological methodology. Phytosociological data obtained from 65 relevés were ordinated using detrended correspondence analysis (DECORANA) and classified using two-way indicator species analysis (TWINSPAN). Consequently, six epiphytic bryophyte communities new to Turkey were determined with TWINSPAN and DECORANA: Leucobryo-Tetraphidetum pellucidae, Anomodonto attenuati-Neckeretum crispae, Frullanio tamarisci-Exsertothecetum crispae, Ulotetum crispae, Anomodonto attenuati-Neckeretum crispae-leucodontetosum sciuroidis, and Ulotetum crispae-isothecietosum alopecuroidis. All syntaxa are presented by analyzing them in terms of their ecological and floristic classifications.

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ÖzBu çalışmada, Türkiye'deki 122 Önemli Bitki Alanından biri olan Doğu Karadeniz Dağları'nın sınırları içerisinde yer alan Kamilet Vadisi (Arhavi-Artvin) ve çevresinin epifitik briyofit florası ve briyofitlerin ağaç türlerine göre dağılımları araştırılmıştır. 2015 ve 2016 yıllarının farklı vejetasyon dönemlerinde ağaç gövdelerinden alınan toplam 428 briyofit örneğinin teşhis çalışmaları sonucunda, 51 takson (8 ciğerotu, 43 karayosunu) belirlenmiştir. Ekolojik ve floristik yönden incelenen taksonların hayat formu ve yaşam stratejisi analizleri de yapılmıştır. Hayat formlarından saçak ve yastık, yaşam stratejilerinden ise perennial kalıcıların baskın olduğu görülmüştür. Epifitik taksonlar tarafından en çok tercih edilen ağaç Alnus glutinosa olurken en az tercih edilen ağaç Pinus sylvestris olmuştur. Ayrıca, floristik listedeki taksonların çoğunun; mezofitik, sciofit ve subnötrofit karakterde olduğu görülmüştür. AbstractIn this study, the epiphytic bryophyte flora of Kamilet Valley (Artvin-Arhavi) located within East Blacksea Mountains which is one of 122 important plant area in Turkey and its surroundings and phorophyte preferences of bryophytes were investigated. As a the result of identifications of 428 bryophyte specimens collected from the stems of the trees in different seasons of the years 2015 and 2016, a total of 51 taxa (8 liverworts, 43 mosses) were determined. Also, the life forms and life strategies of the taxa examined in terms of ecological and floristical have been analyzed. Weft and Cushion are dominant of the life forms while perennial stayers are dominant in the life strategies. While Alnus glutinosa is the most preferred host tree by the epiphytic taxa, Pinus sylvestris is the least preferred. In addition, majority of taxa in the floristic list are mesophytic, sciophyt, and subneutrophyt.

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