The habitats diversity of Lviv Skansen was researched and it sozological value was estimated. On the territory of Skansen, 19 types of habitats belonging to 12 groups of 7 classes have been identified and described. Among them, 14 types have an anthropogenic origin, 3 – semi-natural, and only one – natural. On the territory of the museum were found 2 species of vascular plants listed in the Red Book of Ukraine – Allium ursinum L. and Epipactis helleborine (L.) Crantz, as well as naturalized populations of cultural Crocus sp. and Leucojum vernum L. From the sozological point of view, tree habitats – highly artificial broadleaved deciduous forestry plantations, coniferous forestry plantations and hard water source settlements on tuff and travertine formations – are of the greatest importance. The last one is a new type of habitat for region, barely studied. Currently, only one location is known in the vicinity of Lviv (Bryukhovychi). On the territory of the European Union, this habitat is included in the list of particularly valuable habitats of the NATURA-2000 environmental network. Highly artificial broadleaved deciduous forestry plantations habitats, although formed by non-native species, are currently ongoing through demutation proces. During the years of absence any cuttings or other forms of management, the plantations of Robinia pseudoacacia L. and Aesculus hippocastanum L. were replaced by semi-natural forests from young undergrowth of Betula pendula Roth, Acer platanoides L. and Picea abies (L.) H.Karst. The grass layer in these forestry plantations is represented by fragments of typical nemoral species. Thus, despite the anthropogenic origin of the habitats formed in Lviv Skansen, they play an important role in the conservation and distribution of biodiversity and help maintain the stability of green corridors of sub- and urban areas.
The habitats of «Stilske Gorbohirya» RLP and adjacent territories were studied, their sozological value was assessed. 34 types of habitat have been identified in the study area, which by origin can be divided into 2 groups: anthropogenic (15) and natural (19). Anthropogenic habitats are represented by permanent mesotrophic lakes, ponds and pools (C1.2), highly artificial broadleaved deciduous forestry plantations (G1.C) and coniferous plantations (G3.F), scattered residential agrocultural and public buildings (J2.1), rural industrial and commercial sites still in active use (J2.3), trampled areas (Н5.6), active opencast mineral extraction sites, including quarries (J3.2), recently abandoned above-ground spaces of extractive industrial sites (J3.3), disused underground mines and tunnels (Н1.7) as well as agricultural land: mixed crops of market gardens and horticulture (І1.2), anthropogenic herb stands (Е5.1), unttendent fruit and nut tree orchards (G1.D) permanent mesotrophic pastures and aftermath-grazed meadows (Е2.1). The vegetation of anthropogenic settlements is represented by the classes: Molinio-Arrhenatheretea TX. 1937 – on fallow lands, Galio-Urticetea Passarge ex Kopecký 1969 – in old gardens and on paths; Artemisietea vulgaris Lohmeyer et al. in Tx. ex Von. Rochow 1951 – on the territory of quarries. Natural habitats are represented by springs and spring brooks (С2.1), permanent non-tidal, smooth-flowing watercourses (C2.3), temporary running waters (C2.5), water-fringing reedbeds and tall helophytes other than canes (C3.2), sparsely vegetated shores with soft or mobile sediments (C3.6), beds of large sedges normally without free-standing water (D5.2), inland sand and rock with open vegetation (E1.1), moist or wet eutrophic and mesotrophic grassland (E3.4), thermophile woodland fringes (Е5.2), Pteridium aquilinum fields (Е 5.3), temperate thickets and scrub (F3.1), riverine scrub (F9.1), riverine willow woodland (G1.1), mixed riparian floodplain and gallery woodland (G1.2), beech woodland (G1.6), scots pine woodland south of the taiga (G3.4), open cave entrances (Н1.1), calcareous and ultra-basic screes of warm exposures (H2.6) basic and ultra-basic inland cliffs (H3.2). 17 species of vascular plants were identified in the Red Book of Ukraine and 5 regionally rare species, also among mosses - 13 regionally rare species and two new ones for the Opillia region. The habitats of wet mesotrophic (floodplain) meadows, thermophilic edges, and beech forests have the greatest conservation value, where the largest number of rare plant species of European importance, the Red Book of Ukraine, and regional nature conservation lists are concentrated.
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