New moss records from Murmansk Province. 1.-Новые находки мхов в Мурманской области. 1. O.A. Belkina-О.А. Белкина New for the province-Новые для области Aloina brevirostris (Hook. & Grev.) Kindb.-Northeastern coast of Kola Peninsula; seashore outside of the western bounds of Lumbovsky Bay (67°57.657'N-40°22.150'E), 26.8 m alt., rich herb meadow on a sea-faced slope, on moist bare clay soil, with sporophytes, mixed with Barbula unguiculata Hedw., Sanionia uncinata (Hedw.) Loeske., Bryum sp., 9.VII.2007, Belkina #Б108-13-07 [Белкина] {KPABG}.
Moss flora of the Belaya River basin, Northern Timan, Arkhangelsk Region (67° 18'-67° 23'N, 49° 05'-49° 23' E) includes data on 226 species and subspecies of mosses from 101 genera and 35 families with a brief geo-botanic description. We found bryophyte species new for the tundra areas of the European North such as Didymodon fallax, Lescuraea secunda, Plagiothecium curvifolium, Pohlia vexans, Tetrodontium repandum, Tetraplodon pallidus, and Timmia bavarica. The taxonomic structure of mosses is the same as that for tundra areas of the European North. The most numerous moss families are the Dicranaceae (22 species), Amblystegiaceae (18), Sphagnaceae (16)
This study produced a dataset containing information on moss occurrences in the territory of Yugyd Va National Park, located in the Subpolar and Northern Urals, European North-East Russia. The dataset summarises occurrences noted by long-term bryological explorations in remote areas of the Subpolar and Northern Urals from 1943 to 2015 and from studies published since 1915. The dataset consists of 4,120 occurrence records. The occurrence data were extracted from herbarium specimen labels (3,833 records) and data from published literature (287 records). Most of the records (4,104) are georeferenced. A total of 302 moss taxa belonging to 112 genera and 36 families are reported herein to occur in Yugyd Va National Park. The diversity of bryophytes in this National Park has not yet been fully explored and further exploration will lead to more taxa. A total of 4,120 moss occurrences records in the territory of Yugyd Va National Park were published.
The communities of middle taiga spruce forests (ass. Linnaeo borealis–Piceetum abietis dryopteridetosum var. typica) and secondary communities formed after winter clearcuttings are described (Fig. 1) and classified according Braun-Blanquet (1964) approach using 81 relevés. Ellenberg ecological values (Ellenberg et al., 1991) were used to assess lighting (L), soil moisture (F), acidity (R) and nitrogen (N). The ordination was carried out using the NMS method. Both primary forest and secondary communities are classified as the alliance Piceion excelsae Pawłowskiet al. 1928 within the order Piceetalia excelsae Pawłowski et al. 1928 in the class Vaccinio–Piceetea Br.-Bl. in Br.-Bl.et al. 1939. We described 2 associations (incl. 1 new), 3 subassociations (2 new), 2 varieties (1 new), 2 subvarieties, and 2 communities. Ass. Aulacomnio palustris–Calamagrostietum purpureae ass. nov. hoc loco (Table 2). Nomenclature type (holotypus hoc loco): relevé 16 (field № 26p/20), Komi Republic, Ust-Kulom district, two-year cutting place, swath (61.84083° N 54.33778° E, 16.07.2020, author I. A. Likhanova. Diagnostic species (DS): Aulacomnium palustre, Calamagrostis purpurea, Carex globularis, Chamaenerion angustifolium, Polytrichum commune, Sphagnum angustifolium. The association includes «young» (succession stage 1(2)-17(18) years after cutting) secondary communities, formed at the swaths and skidding trails. The absence of tree stand results in the increased lighting and soil moisture, which explains an invasion of heliophile and water-resistant species of vascular plants and mosses. After cutting, DS of the primary association and subassociation almost disappear, but those of class and order remain. Species number — 23–54, average — 38. There are 2 subassociations within aasociation. Subass. A. p.–C. p. typicum subass. nov. hoc loco (Table 2 relevés 1–16, Fig. 3). Nomenclature type (holotypus hoc loco): relevé 16 (field № 26p/20), Komi Republic, Ust-Kulom district, two-year cutting of spruce herb-bilberry-green moss forest at the swath (61.84083° N 54.33778° E , 16.07.2020, author I. A. Likhanova. No own DS. The subassociation includes communities at the swath and skidding trails of 1(2)-year cutting place with poor species richness in comparison with primary forests. Number of species 20–27, average – 24. Subass. A. p.–C. p. avenelletosum flexuosae subass. nov. hoc loco (Table 2, relevés 17–27, Fig. 4). Nomenclature type (holotypus hoc loco), relevé 25 (field № 13-УК), Komi Republic, Ust-Kulom district, 17-year cutting place, swath (61.99389° N, 54.14778° E , 17.09.2019, author I. A. Likhanova. DS: Avenella flexuosa, Gymnocarpium dryopteris, Rubus arcticus.The subassociation includes communities of swaths and skidding trails at 17(18)-year cutting place enriched by heliophile and water-resistant species. The forming forest environment is the reason of high abundance of forest species and emergence of several diagnostic species of primary association and subassociation. The cutting remains are overgrown by epigeous mosses and lichens. Species number — 24–45, average — 33. Community Carex brunnescens (Table 3, relevés 1–12, Fig. 5). DS: Carex brunnescens (dominant), C. canescens, Ceratodon purpureus, Dicranella cerviculata (dominant). Syntaxon includes communities at the main skidding trail at 1(2)-year cutting place. Despite high abundance of diagnostic species of the ass. Aulacomnio palustris–Calamagrostietum purpureae, we can’t include the relevés into the association due to high diversity of early succession species and low abundance of DS of both the class Vaccinio–Piceetea sylvestris and the order Piceetalia excelsae. There are numerous undergrowth of Betula pubescens (18 thousand ind./ha). Herb-dwarf shrub and moss layers are formed by pioneer, heliophile and water-resistant species. Forest dwarf shrubs, herbs and mosses occur on the litter remnants. Species number — 20–34, average — 27. Community Salix caprea. (Table 3, relevés 13–22, Fig. 6). DS: Agrostis gigantea, A. tenuis, Carex rhynchophysa, Deschampsia cespitosa, Epilobium palustre, Juncus filiformis, Populus tremula, Salix caprea (dominant), S. myrsinifolia, S. phylicifolia, Sphagnum russowii. The syntaxon includes communities at the main skidding trail of 17(18)-year cutting place. The presence of DS of ass. Aulacomnio palustris–Calamagrostietum purpureae and subass. A. p.–C. p. avenelletosum flexuosae as well as the prevalence of water resistant and early succession species and low abundance of DS of class Vaccinio–Piceetea sylvestris and order Piceetalia excelsae are character. Tree stand is formed by young trees of Betula pubescens (mean density is 21 thousand ind./ha). Shrub layer is formed by wiilows. Herb-dwarf shrub layer is dominated by species, preferring water logging, and species of disturbed habitats. Species number — 36–45, average — 40. Subass. Linnaeo borealis–Piceetum abietis dryopteridetosum var. Betula pubescens (Table 1, relevés 13–22). DS: Betula pubescens (dominant), Milium effusum, Rhytidiadelphus triquetrus. The variant includes communities at 48(49)-year cutting place. The tree lyer height and crown density are comparable to those of the indigenous spruce forest, however, the proportion of birch is higher. Vascular plant DS of ass. Linnaeo borealis–Piceetum abietis and subass. dryopteridetosum are registered, but the abundance of moss DS is low. Many forest species become abundant in the herb-dwarf shrub layer. Moss layer is inhibited by leaf litter. Species number — 29–45, average — 36. There are 2 subvarieties: typica (communities at the swath and skidding trails) and Calamagrostis purpurea (main skidding trail). The scheme of vegetation succession after clearcuttings of spruce small herb-bilberry-green moss forests (Linnaeo borealis–Piceetum abietis dryopteridetosum var. typica) (Fig. 10) is made on the results of NMS-ordination (Fig. 9) and the data on the restoration period and preferences of syntaxa to the certain technological elements of the cutting place. The following succession series are described: at the swaths and skidding trails — Aulacomnio palustris–Calamagrostietum purpureae typicum → A. p.–C. p. avenelletosum flexuosae → Linnaeo borealis–Piceetum abietis dryopteridetosum var. Betula pubescens subvar. typica → L. b.–P. a. dryopteridetosum var. typica; at the skidding trails – community Carex brunnescens →community Salix caprea → Linnaeo borealis–Piceetum abietis dryopteridetosum var. Betula pubescens subvar. Calamagrostis purpurea → L. b.–P. a. dryopteridetosum var. typica. In communities of different ages at swaths and skidding trails, the species richness of vascular plants (16–18 species/100 m2) and mosses (8–10 species/100 m2) is lower compare to the primary spruce forest (19 and 14 species/100 m2 respectively). The species richness of vascular plants at 17-year and 48-year communities of the main skidding trails (27 species/100 m2) is higher than in the primary forest due to the invasion of pioneer, meadow and mire species; that of mosses is lower (8–12 species/100 m2). Thus, the cutting has a negative impact on species diversity, which is expressed in forest species loss. The floristic composition of the disturbed forest community is not restored even fifty years after anthropogenic impact.
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