Bryophytes of Shurdyn middle-mountain fir forests (Bucovinian Carpathians)
Journal Title: Naukovyi visnyk Chernivetskoho universytetu. Biolohiia (Biolohichni systemy) - Year 2016, Vol 8, Issue 2
Abstract
This paper presents the results of investigation of taxonomic composition, growth forms, ecological and coenoticpropering of bryoflora of Shurdyn Middle-Mountain forest communities of Piceeta abietis formayion. The vitality of these investigation that more than 40 lately years bryoflora of Shurdyn Middle-Mountain doesn’t research perfectly. It was found that bryoflora of Shurdyn Middle-Mountain forest communities of Piceeta Abietis formation includes 80 species belonging to 62 genera, 39 families, 15 orders, 6 classes and 2 divisions of superdivision Bryobionta. 10 leading families are Amblystegiaceae, Brachytheciaceae, Hypnaceae, Sphagnaceae, Polytrichaceae, Hylocomiaceae, Dicranaceae, Plagiomniaceae, Plagiotheciaceae, Neckeraceae; they composed 57,5 % of species. Among them Brachytheciaceae, Hypnaceae, Amblystegiaceae families are in the first three positions of the bryoflora of forests subformation Fageto (sylvaticae) – Abieto (albae) – Piceetum (abietis). But in subformation Abieto (albae) – Piceetum (abietis) first two positions hold Polytrichaceae and Sphagnaceae families and the third position divide four families such as Amblystegiaceae, Brachytheciaceae, Hypnaceae, Dicranaceae. Bryophytes of investigated forests divided on 4 groups according to growth forms: carpets – 45 species, bunches – 24 species, interlacements – 9 species and cushions – 2 species. For the attachment to the type of substrate epigeous bryophytes are predominate (40 species). 15 species of bryophytes grow on the rotting wood and 14 species – on the bark of protruding roots and base of trunks. In relation to the substrate wetting, 47,5 % of species are mesophytes, 17,5 % are hygromesophytes and the smallest number of bryophytes are mesoxerophytes. By geographical structure, boreal and nemoral species are predominated. It is also characteristic feature for the bryophlora of forest zone of Ukrainian Carpathians. High percentage of nemoral bryophytes in forest communities of Piceeta Abietis formation explained by the presence of Fagus sylvatica L. in the species composition of explored fir forest. 3 species of ruderal mosses (Ceratodon purpureus, Pohlia nutans, Funaria hygrometrica) we found in the bryoflora of investigated forest.
Authors and Affiliations
Світлана Літвіненко
Keywords
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