INVASIVE ALIEN PLANTS ON DECAYING WOOD AND ON TREE-FALL DISTURBANCES IN FORESTS IN THE KARKONOSZE MTS (SUDETEN, SW POLAND)
 
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Katedra Geobotaniki i Ekologii Roślin, Wydział Biologii i Ochrony Środowiska, Uniwersytet Łódzki, ul. Banacha 12/16, 90-237 Łódź
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Zakład Ekologii i Ochrony Przyrody, Instytut Ochrony i Inżynierii Środowiska, Akademia Techniczno-Humanistyczna w Bielsku-Białej, ul. Willowa 2, 43-309 Bielsko-Biała
Publication date: 2014-10-21
 
Inż. Ekolog. 2013; 32:156–163
 
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ABSTRACT
Three invasive anthropophytes, i.e. two vascular plants Digitalis purpurea L. and Impatiens parviflora DC. as well as one moss Orthodontium lineare Schwägr, were recorded on decaying wood and tree-fall disturbances (pit-mound-root plate complex). It contributes only 1.9% to the flora of analyzed habitats (1.1% of moss flora, 2.9% of vascular plant flora) and 3.5% of neophytes known in Sudeten Mts. They grew, sporadically and with a low frequency, on 3.5% of studied objects (on 3.1% of decaying logs and stumps and 5.6% of tree-fall disturbances) in all types of forest communities in the area of Karkonosze National Park and in the vicinity. Nowadays, invasive neophytes do not pose a threat to diversity of endangered epixylic flora. Described habitats seem to be resistant to penetration by anthropophytes.