scholarly journals Abundance and Phenotypic Diversity of the Medicinal Sideritis Scardica Griseb. in Relation to Floristic Composition of Its Habitat in Northern Greece

2020 ◽  
Vol 12 (6) ◽  
pp. 2542
Author(s):  
Pinelopi K. Papaporfyriou ◽  
Eirini Sarrou ◽  
Eleni Avramidou ◽  
Eleni M. Abraham
Keyword(s):  
Plant Species ◽  
Phenotypic Diversity ◽  
Plant Cover ◽  
Floristic Composition ◽  
Anthropogenic Factors ◽  
Species Number ◽  
Medicinal Species ◽  
Northern Greece ◽  
Natural Habitats ◽  
The North

Sideritis scardica (S. scardica) is an endemic medicinal species of the Central Balkan Peninsula. The aerial parts are traditionally used in folk medicine and, therefore, have been collected extensively from natural habitats. Overexploitation in combination with climate change has resulted in severely fragmented populations. In this context, the purpose of this study was to access the abundance and phenotypic diversity of S. scardica populations in relation to plant community structure and environmental and anthropogenic factors in six mountainous areas of Northern Greece. For this reason, the floristic composition and diversity was determined by accessing the number of plant species, number of individuals per plant species, and plant cover in each study area. In addition, the soil properties of the studied areas were determined and the phenotypic diversity of S. scardica populations was accessed through the imaging of leaf and inflorescence main characteristics. As a result, 141 plant species were identified in all studied areas, while the floristic composition clearly distinguished the North-Central from the North-Eastern studied areas. S. scardica was the predominant species in the habitats where the presence of forbs was favored, while a high presence of graminoid and shrub species in the study areas depressed its presence. A high coefficient of variations was recorded among the six populations, varying from 12.2%–29.2% and 13.3%–43.1% for inflorescence and leaf traits.

MOSAICITY OF THE VEGETATION COVER OF THE KOCHUBEY BIOSPHERE STATION PASTURES

1970 ◽  
pp. 40-42
Author(s):  
М. А. Babaeva ◽  
S. V. Osipova
Keyword(s):  
Plant Species ◽  
Vegetation Cover ◽  
Cynodon Dactylon ◽  
Plant Cover ◽  
Avena Fatua ◽  
Living Environment ◽  
Anthropogenic Factors ◽  
Indigenous Species ◽  
Fodder Plants ◽  
Falcaria Vulgaris

The regularities of changes in the resistance of different groups of fodder plants to adverse conditions were studied. This is due to the physiological properties that allow them to overcome the harmful effects of the environment. As a result of research species - plant groups with great adaptive potential to the harsh continental semi-desert conditions were identified. Monitoring observation and experimental studies showed too thin vegetation cover as a mosaic, consisting of perennial xerophytic herbs and semishrubs, sod grasses, saltwort and wormwood, as well as ephemera and ephemeroids under the same environmental conditions, depending on various climatic and anthropogenic factors. This is due to the inability or instability of plant species to aggressive living environment. It results in horizontal heterogeneity of the grass stand, division into smaller structures, and mosaic in the vegetation cover of the Kochubey biosphere station. The relative resistance to moderate stress was identified in the following species from fodder plants Agropyron cristatum, A. desertorum, Festuca valesiaca, Cynodon dactylon, Avena fatua; as for strong increasing their abundance these are poorly eaten plant species Artemisia taurica, Atriplex tatarica, Falcaria vulgaris, Veronica arvensis, Arabidopsis thaliana and other. On the site with an increasing pressure in the herbage of phytocenoses the number of xerophytes of ruderal species increases and the spatial structure of the vegetation cover is simplified. In plant communities indigenous species are replaced by adventive plant species. The mosaic of the plant cover of phytocenoses arises due to the uneven distribution in the space of environmental formation, i.e. an edificatory: Salsola orientalis, S. dendroides, Avena fatua, Cynodon dactylon, Artemisia taurica, A. lercheanum, Xanthium spinosum, Carex pachystyli, under which the remaining components of the community adapt. Based on the phytocenotic indicators of pasture phytocenoses it can be concluded that the vegetation cover is in the stage of ecological stress and a decrease in the share of fodder crops and an increase in the number of herbs indicates this fact.

scholarly journals Ethnomedicinal survey of plants and animals used by Daur ethnic group, Inner Mongolia, China

2020 ◽  
Author(s):  
Xue Li ◽  
Le-Tai Yi ◽  
Ya-Qiong Bi ◽  
Lei Zhang ◽  
Ya-Hong Sun ◽  
...  
Keyword(s):  
Plant Species ◽  
Cervus Elaphus ◽  
Cervus Nippon ◽  
The Body ◽  
Extensive Literature ◽  
Canis Lupus Familiaris ◽  
Structured Interviews ◽  
Medicinal Species ◽  
Natural Habitats ◽  
Medical Practices

Abstract Background: The traditional medical practices of the Daur region are an important element in Chinese ethnomedicinal knowledge. However, relatively little recording of traditional Daur medicine (TDM) has been carried out. As it is gradually being replaced by traditional Chinese medicine (TCM) and modern medicine, further research is urgently needed. Methods: We collected ethnobotany and ethnozoology data about their local name, parts used and diseases to be treated, dosage, and route for administration through semi-structured interviews with 114 informants (18 sessions), focus group discussions (6 sessions), and extensive literature reviews. Medicinal samples and specimens were collected during field investigations from June 2015 to October 2018. The diseases and ailments reported as being treated were classified according to the International Classification of Diseases 11 th (ICD-11). The expression correlation of medicine classification, medicine, and disease was assessed using Cytoscape 3.6.1 software. Quantitative indices such as informant consensus factor (ICF) and use value (UV) were used to evaluate the importance of ethnomedicinal data. Results: We documented 30 plant species (from 19 families) and 21 animal species (from 11 families). In the past, the majority of plant species were collected from natural habitats, but now they are mainly cultivated. The most widely utilized plants were herbs (21 species), followed by shrubs (4), trees (3), and fungus (2). The most utilized groups of animals were mammals (14 species), followed by birds (5), amphibians (1), and reptiles (1). Medicines were mostly administered orally (43) but were also applied externally (11) or delivered via both routes (9). Informants indicated that medicines were prepared via decoction (21), grinding (11), boiling (10), extraction (8), and burning (7). Medicines were taken as a drink (37), eaten (16), or made into pills and powders (7), but could also be administered as an ointment/wash (6), wrap/dressing (5), in the nose, eyes, and mouth (4), or as a fumigate (2). The TDMs investigated in this study treated 76 human diseases or ailments classified under 13 disease categories, based on the ICD-11. The highest ICF (1.00) was reported for neoplasms and visual system diseases and childbirth or the puerperium, followed by injury, poisoning, or other diseases resulting from external causes (0.92), and symptoms, signs or clinical findings, not elsewhere classified (0.82). The most used medicinal species were Cervus elaphus , Cervus nippon , Capreolus , Gallus , Canis lupus familiaris , Betula platyphylla , and Artemisia integrifolia . Conclusions: A substantial body of ethnobotanical and ethnozoological knowledge could lead to the development of new medicines. Therefore, research into Daur ethnic medicines is urgently required The current research can make an important contribution to the body of knowledge about the national medicine of the Daur people. This is particularly important because the younger generation is not interested in learning and preserving their traditional medical practices. The information documented in the present study will provide a useful basis for future investigations into the ethnopharmacological and traditional knowledge of the Daur region.

Diversity, Distribution, Indigenous Uses and Conservation of Medicinal Plants in Nargu Wildlife Sanctuary, North Western Himalaya

2015 ◽  
Vol 22 (4) ◽  
pp. 181-201
Author(s):  
Pankaj Sharma ◽  
Sher Samant ◽  
Lalit Tewari
Keyword(s):  
Medicinal Plants ◽  
Plant Species ◽  
Gastrointestinal Disease ◽  
Himalayan Region ◽  
Ex Situ ◽  
Herbal Remedies ◽  
Poor People ◽  
Wildlife Sanctuary ◽  
Medicinal Species ◽  
Natural Habitats

In the Indian Himalayan Region, the use of medicinal plants is still a tradition continued by local people or ethnic communities and Traditional Medicine Systems play an important role in daily health care of poor people. The use of plants as medicine is slowly increasing in the developed world because they have minor or no side effects. The present study was conducted in Nargu Wildlife Sanctuary of Himachal Pradesh as the total dependency of the stakeholders on nearby forests for medicinal resources. In the present study, we reported 371 plant species that are used by the people in and around Nargu WLS as medicine. Distribution of maximum species (297 spp.) occurred between 1801-2800 m zone and only 40 species were present above 3800m. Of the total medicinal species recorded, 163 spp. were native to the Himalayan region and 24 spp. native to the Himalaya and other biogeographically regions. Rests (184 spp.) were non-native. The most frequently cured disease category (108 spp.) was gastrointestinal disease. Stakeholders of the Sanctuary and surrounding villages have rich indigenous knowledge of the use of medicinal plants to maintain their primary health. Traditional herbal remedies are important and effective because many traditional uses are scientifically proven through phytochemical and pharmacological studies. However, a large number of plant species remain untested for bio-efficacy and toxicity. Such tests may reveal novel remedies that have bioprospecting potential. Moreover, the study emphasizes the need for the conservation of such precious medicinal resource of the area by managing and conserving the natural habitats, checking unscientific exploitation and by applying in-situ and various ex-situ conservation methods.

scholarly journals Characteristics of Beaver Ponds and Landforms Induced by Beaver Activity, S Part of the Tuchola Pinewoods, Poland

Water ◽  
2021 ◽  
Vol 13 (24) ◽  
pp. 3641
Author(s):  
Mirosław Rurek
Keyword(s):  
Castor Canadensis ◽  
Plant Cover ◽  
Living Environment ◽  
Distribution Analysis ◽  
Natural Habitats ◽  
Flat Bottom ◽  
Beaver Ponds ◽  
The North ◽  
Eurasian Beaver ◽  
Beaver Dams

Currently, there are only two species of beavers described—the North American beaver (Castor canadensis) and Eurasian beaver (Castor fiber). Their natural habitats are confined to the northern hemisphere but instances of beaver introduction to regions of the world they do not normally inhabit have also been recorded. The activity of beavers leads to changes in the natural environment linked to hydrological and geomorphological and plant cover transformations. Beavers live in natural and artificial water reservoirs and rivers. If the water level in the river is too low, they build dams to create a comfortable living environment. This paper aims to present changes in the relief of the valley inhabited by beavers in which sediments accumulate. During the field study, detailed measurements of dams and of the spatial range of beaver ponds were made, and the thickness and spatial distribution of accumulated sediments were determined. In addition, measurements of geomorphological forms in beaver ponds were also made. The samples of sediments were subject to grain-size distribution analysis, the results of which allowed calculating sediment parameters. Beavers appeared in the Gajdówka valley in the southern part of the Tuchola Forest (Poland) in 2008. In 2008–2011 they built 17 beaver dams that impounded ponds. The beaver ponds and beaver dams were of different sizes. They either flooded the whole flat bottom of the valley or only raised the level of water in the riverbed. A characteristic feature of beaver ponds is that they capture sediments. Different landforms were created in the course of the formation and disappearance of beaver ponds. It was established that these include alluvial fans, levees, sand shadow dunes and microterraces formed by deposition and erosion. They do not occur in all ponds. Points at which mineral sediments are supplied to the watercourse, including beaver burrows and erosion hollows, are presented together with the points at which sediments are transferred from ponds upstream to ponds downstream the watercourse. Beaver activity during valley colonization shows changes in the landscape caused by their presence and in particular their impact on the relief and deposition of sediments. Analysis of contemporary changes in the morphology of the Gajdówka Valley leads to the conclusion that beaver activity has had an intense impact on the terrain relief of the valley inhabited by beavers.

scholarly journals Deteriogenic flora of the Phlegraean Fields Archaeological Park: ecological analysis and management guidelines

2019 ◽  
Author(s):  
Riccardo Motti ◽  
Giuliano Bonanomi ◽  
Adriano Stinca
Keyword(s):  
Plant Species ◽  
Vascular Plant ◽  
Plant Cover ◽  
Floristic Composition ◽  
Stone Monuments ◽  
Phlegraean Fields ◽  
Vascular Plant Species ◽  
Average Plant ◽  
Tree Cutting ◽  
Living Organisms

AbstractBiodeterioration, the alteration caused by living organisms, on historical buildings and stone monuments is a well-known problem affecting two-thirds of the world’s cultural heritage. The study of the flora growing on wall surface is of particular importance for the assessment of the risk of biodeterioration of stone artifacts by vascular plants, and for maintenance planning. In this study, we investigate how rock type, exposure and inclination of the wall affect the biodeteriogenic flora at 13 sites of the Archaeological Park of the Phlegraean Fields located in the province of Naples, in southern Italy. For each site, we analysed randomly selected square areas with 2 × 2 m size, representing the different vegetation types in terms of vascular plant species cover. The total number of plant species recorded was 129, belonging to 43 families. Erigeron sumatrensis, Sonchus tenerrimus, and Parietaria judaica are the most commonly reported species, while Capparis orientalis is the species with the highest average coverage. Substrate type, exposure and surface inclination affect the floristic composition, with the average plant cover significantly higher on vertical surfaces and at western and southern exposure. All the main biodeteriogenic vascular plant species grow on more or less porous lythotype like yellow tufa, conglomerate and bricks. Finally, woody plants eradications methods are proposed by the tree cutting and local application of herbicides, to avoid stump and root sprouting and to minimize the dispersion of chemicals in the surrounding environment.

scholarly journals Impacts of Anthropogenic Disturbance on Vegetation Dynamics: A Case Study of Wadi Hagul, Eastern Desert, Egypt

Plants ◽  
2021 ◽  
Vol 10 (9) ◽  
pp. 1906
Author(s):  
Ramadan Bedair ◽  
Amira A. Ibrahim ◽  
Amal A. Alyamani ◽  
Salman Aloufi ◽  
Samah Ramadan
Keyword(s):  
Native Species ◽  
Vegetation Index ◽  
Plant Cover ◽  
Eastern Desert ◽  
Natural Habitats ◽  
The North ◽  
Negative Effect ◽  
Euphorbia Prostrata ◽  
Detrended Canonical Correspondence Analysis ◽  
Plant Families

Irresponsible human interventions, encroachment of natural habitats, and climate change negatively affect wildlife. In this study, the effects of human influence on Wadi Hagul, an unprotected area in the north of the Egyptian Eastern Desert that has recently been subjected to blatant encroachments of vegetation, were studied. The most important of these threats is the construction of the new road Al-Galala–Wadi Hagul–Zafarana. In Wadi Hagul, 80 species are reported in this study; the most represented plant families are Asteraceae (15 species) and Brassicaceae (6 species). Perennial, chamaephyte and Saharo-Arabian species were recorded in the highest percentage. Detrended canonical correspondence analysis showed that latitude, longitude, altitude, silt, sand contents, pH, and CO32− content are the factors that have the highest effect on vegetation distribution in the studied stands. Several invasive and alien species such as Euphorbia prostrata have been listed; these species typically have a negative effect on native species. The Soil Adjusted Vegetation Index (SAVI) indicated a decrease in plant cover during the study period, as compared to previous years. In 2013 and 2020, SAVI ranged from −0.02 to 0.42 and from −0.18 to 0.28, respectively. Recently, the violation and destruction of wildlife have increased, therefore, preserving it along with general biodiversity has become an urgent necessity.

scholarly journals Impact of elevation and slope aspect on floristic composition in wadi Elkor, Sarawat Mountain, Saudi Arabia

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Mohamed A. Fadl ◽  
Hatim M. Al-Yasi ◽  
Emad A. Alsherif
Keyword(s):  
Saudi Arabia ◽  
Plant Species ◽  
Vascular Plant ◽  
Floristic Composition ◽  
Life Forms ◽  
Slope Aspect ◽  
The North ◽  
Total Plant ◽  
Special Location ◽  
Makkah City

AbstractThe current research was carried out in Wadi Elkor, one of the Sarawat Mountains regions, which is a special location from an environmental standpoint and one of the only places in Saudi Arabia where a range of Palaearctic flora co-exists with Afrotropical species. The study aimed to determine the floristic composition as well as the effects of slope aspect and elevation on species, life forms, and phytogeographical elements distribution. The study area is located in Wadi Elkor, a valley in the Sarawat Mountains that cuts off the Al-Hada escarpment, 47 km southeast of Makkah City, Saudi Arabia. We conducted the research at three different locations, each with a different elevation and slope aspect. Based on floristic composition, Ward classification moreover Jaccard comparisons were performed. A total of 189 species was discovered, divided into 131 genera and 43 families. The current study identified Argyrolobium rarum Dumme as a new vascular plant in Saudi Arabia's terrestrial flora. In the current study, the Gramineae, Leguminosae, and Compositae families contributed 29% of the total plant species, whereas 14 families were represented by one species each. Solanum was the most numerous genus, with seven species, followed by Acacia and Pulicaria, each with six species, while Commicarpos and Euphorbia, each with four species. At an elevation of 1060 m above sea level, the north facing slope had the most plants, genera, and families. Therophytes had the most species, accounting for 44%, followed by Chamaephytes, which accounted for 26%. Hemicryptophytes accounted for 12% of the total, while phanerophytes accounted for 10%. In the studied area, the bioregional Saharo-Sindian and Sudano-Zambesian groups were the most well-represented (41%). The floristic composition, as well as the distribution of life forms and phytogeographical components, were found to be significantly affected by the elevation and slope aspects. The study showed that slope aspect and elevation both affected the distribution of plant species, with elevation being the most influential of the two variables.

scholarly journals Trampling Intensity and Vegetation Response and Recovery according to Altitude: An Experimental Study from the Himalayan Miyar Valley

Resources ◽  
2020 ◽  
Vol 9 (8) ◽  
pp. 98
Author(s):  
Michal Apollo ◽  
Viacheslav Andreychouk
Keyword(s):  
Plant Species ◽  
Plant Cover ◽  
High Sensitivity ◽  
High Mountain ◽  
Plant Resources ◽  
Natural Habitats ◽  
Ecological Sensitivity ◽  
Response And Recovery ◽  
One Year ◽  
The Impact

The trampling of vegetation caused by recreation and tourism can lead to the loss of vegetation and the degradation of plant communities, which adversely affects natural habitats. This paper investigates the impact of trampling on plant species in the high-mountain environment, where plant resources are limited and any recovery is slow. It is commonly accepted that the sensitivity of the vegetation in mountains increases as altitude increases. Therefore, this study supposed that the same plant species would have different responses to trampling at different altitudes. By using a standardized method of experimental trampling, an empirical study was conducted on eight plant species at two altitudes: 4072 m and 4480 m. Each species was trampled 0–500 times. Response to trampling was assessed by determining plant cover two weeks after trampling and one year after trampling. For most species, the relationship between plant cover after trampling and trampling intensity was very clear (linear). This research found the following: (1) vegetation has extremely high ecological sensitivity to trampling in the examined environment; (2) above 4000 m, an increase in altitude does not increase the sensitivity of vegetation. Vegetation above a certain altitude exhibits similar, very high sensitivity to trampling.

scholarly journals Flora of toxic depots in selected industrial zones

2011 ◽  
Vol 78 (4) ◽  
pp. 327-334 ◽  
Author(s):  
Petr Petřík ◽  
Petr Soudek ◽  
Dagmar Benešová ◽  
Petra Najmanová ◽  
Michal Najman ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Plant Species ◽  
Mineral Content ◽  
Floristic Composition ◽  
Life Forms ◽  
Species Number ◽  
Spatial Dependency ◽  
Characteristic Species ◽  
Study Sites ◽  
Industrial Zones

Floristic composition in three industrial areas with soils contaminated by heavy metals (As, Cd, Cu, Hg, Pb, Zn) and organic pollutants (polychlorinated biphenyls) was studied. The content of Pb was only significantly correlated with the floristic composition and explained 13.8% of its variability considering spatial dependency of the sites. No correlation was found for PCBs. Altogether, 237 plant vascular species were found at three study sites (117, 133 and 105, respectively). The three study areas differed in their species composition represented by their own characteristic species. The gradient in the content of natives/non-natives, species number, prevailing life forms and indicator values for plant species investigated was revealed. Based on our results, for phytoremediation purposes we can select productive plant species with high biomass and ability to accumulate large amounts of heavy metals or organic compounds and surviving on soils with low mineral content.

To the syntaxonomy of pounikkos mire complexes in the forest-tundra and tundra in the northern part of the Kola Peninsula

2014 ◽  
pp. 30-44
Author(s):  
N. E. Koroleva
Keyword(s):  
Kola Peninsula ◽  
Plant Cover ◽  
Alpha Diversity ◽  
Dwarf Shrub ◽  
Distribution Area ◽  
Natural Habitats ◽  
Character Species ◽  
Forest Tundra ◽  
The North ◽  
Northern Border

Mires of the Kola Peninsula were investigated mainly in its southern part (Botch, 1989; Payanskaya-Gvozdeva, 1990; Smagin, 1999а, 1999b). The published relevés of tundra mires of the Peninsula are poor (Kalliola, 1939; Koroleva, 2001, 2006), and this paper surveys pounikkos mire complexes in its northern part, represents their classification according to the Braun-Blanquet approach accompanied by syntaxonomical tables. The investigated area is situated in the north of the Kola Peninsula within the forest tundra and in southern arctic tundra, with the mean annual air temperature between –0.5 °C and –2.0 °C and annual precipitation 600–700 mm. The geological basis is Archean and Proterozoic crystalline rocks, covered by coarse gravelly moraine and sandy fluvial-glacial deposits, and peat deposits in wetlands. Plant cover represents the combination of subarctic birch forests, tundra and mires. The mire complexes occur in river valleys, in lake and between moraine hill depressions, alternating with shrub and dwarf-shrub lichen tundra and forest-tundra on hill tops and slopes. Peat hummock (pounikkos) height is 0.3–0.5 (up to 1.0) м, their diameter is 0.3–0.7 (up to 1.5) м. In July the ice core is kept at 20–30 cm below the surface. Water-logged narrow ditches separate hummocks from each other. Inundated sedges- and water-cotton-dominated lawns, willow thickets along the water currents and small lakes are common within the mire complex. In the 2012 field season mounds and hummocks were densely inhabited by rodents, in particular by Lemmus lemmus. Oligotrophic and ombrogenous mosses lichens dwarf-shrub dominated communities of mounds, small turf hummocks (pounus, pounikkos) and on the margin of mire massifs belong to the alliance Oxycocco−Empetrion hermaphroditi Nordh. 1936 ex Neuhäusl 1969 (diagnostic taxa (DT): Eriophorum vaginatum, Oxycoccus microcarpus, Rubus chamaemorus, Mylia anomala, Sphagnum fuscum) with the ass. Empetro−Sphagnetum fusci subass. typicum Dierssen (1982) 1996 (DT Ledum palustre and Orthocaulis kunzeanus) and Empetro−Sphagnetum fusci subass. dicranetosum elongati (Regel 1923) stat. nov. (DT Dicranum elongatum). Species poor sedges- and cottongrass dominated oligo-, oligomesotrophic fens of flark and lawns belong to the alliance Caricion rotundatae (Kalliola 1939) stat. nov. (DT Carex concolor, C. rariflora, C. rotundata, Baeothryon cespitosum, Eriophorum polystachion, Sphagnum lindbergii, S. compactum, Warnstorfia exannulata, Sarmentypnum sarmentosum, Calliergon stramineum) with three associations: ass. Gymnocoleo inflatae−Caricetum rariflorae ass. nov. (DT Nardus stricta, Sphagnum compactum, Gymnocolea inflata, Anthelia juratzkana), ass. Warnstorfio sarmentosi−Caricetum concoloris ass. nov. (DT the same as for the alliance), ass. Eriophoro polystachii−Sphagnetum lindbergii (Kalliola 1939) stat. nov. (DT Sphagnum lindbergii). Low willows and sedges dominated communities along mire springs or in percolated areas are described as ass. Salici lapponi−Caricetum concoloris ass. nov. (DT Betula nana, Salix lapponum, S. phylicifolia, Calamagrostis strictа, Carex rostrata, Comarum palustre, Molinia caerulea, Viola palustris, Lophozia longiflora) with no affiliation to any alliance. Proposed new alliance Caricion rotundatae occurs in tundra and forest-tundra zone to the north of main areal of alliances Rhynchosporion albae Koch 1926 and Caricion lasiocarpae Vanden Berghen ap. Lebrun et al. 1949, which comprise oligotrophic and mesotrophic flark communities of boreal mires. Among diagnostic taxa of Caricion rotundatae are low sedges and brown mosses and in opposite to the alliance Rhynchosporion albae it doesn’t include the character species of Rhynchosporion albae (Carex livida, Scheuchzeria palustris, Rhynchospora alba). The studied mire complexes are very characteristic for the entire subarctic Fennoscandia, being located in the north of the Kola Peninsula close to the east-northern border of their European distribution area. They are considered to include more fast-growing permafrost hummocks comparing with palsa mires (Grab, 2003). Based upon their high alpha diversity and important ecological and scientific role, the discussed pounus mire massifs are perspective to be examined as possible value natural habitats.

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