scholarly journals New localities of rare for the Arkhangelsk region speciesin the Lyamitsky landscape of the Onega peninsula

2021 ◽  
Vol 27 (3) ◽  
pp. 425-442
Author(s):  
Oleg Morozov ◽  
Olga Markova
Keyword(s):  
Rare Species ◽  
Northern Taiga ◽  
Limiting Factor ◽  
Taiga Zone ◽  
Protection Measures ◽  
North West ◽  
Arkhangelsk Region ◽  
The North ◽  
New Localities ◽  
Living Organisms

The Onega Peninsula is located in the north-west of Russia in the Arkhangelsk Region, juts out into the White Sea, is located in an area of a transitional climate from an oceanic to a continental temperate climatic zone, belongs to the central sector of the northern taiga zone. The flora and fauna of the peninsula are very diverse. A significant part of natural complexes is highly preserved and is ideal for biosphere monitoring. In connection with intensive industrial logging on the peninsula, there is a need to identify rare species of living organisms and determine measures for their protection. The article provides data on the finds of habitats of 11 rare species discovered by the author during field routes along the Lyamitsky landscape in the period from 2009 to 2020. Finds of 10 out of 11 species have not been previously published. In 2020, the state of a group of individuals of 1 of 11 species that had not yet formed a stable population was reexamined, the find of which was previously published. This species (derbyanka spikate) is new for the Arkhangelsk and all adjacent regions and needs to be entered into the Red Book of the Arkhangelsk Region, which includes the remaining 10 species. 4 species of them are also included in the Red Book of the Russian Federation. The finds of the species belong to the lands of different purposes: to the forbidden zone of forests and to the lands of the forest fund leased by a logging company. The article discusses the number of discovered species and such a limiting factor as logging. The assessment of the feasibility of measures for the protection of species has been carried out. It was revealed that some of them (splachnums) increase in number due to felling, the number of others is not threatened by felling (common viper, etc.), to preserve the number of the third, special protection measures are required (pulmonary lobaria, truncated horn, etc.). The information obtained is processed cartographically using geoinformation technologies and can be used to replenish the database of the Red Book species and to organize their protection.

scholarly journals New and rare lichens and allied fungi from Arkhangelsk Region, North-West Russia. II

2021 ◽  
Vol 58 ◽  
Author(s):  
Viktoria N. Tarasova ◽  
Vera I. Androsova ◽  
Angella V. Sonina
Keyword(s):  
Rare Species ◽  
National Park ◽  
European Russia ◽  
North West ◽  
Red Data Book ◽  
Arkhangelsk Region ◽  
New Localities ◽  
Data Book

Information about 38 species of lichens is presented. In total, 18 species are newly recorded for Arkhangelsk Region, 11 species are new for its mainland area. New localities for 9 rare species are presented. Thalloidima physaroides is new for the territory of Northwest Russia. The species Sclerophora peronella is reported for the second time in the whole territory of Russia, Calicium pinicola – in European Russia and Rhizocarpon simillimum – in Northwest Russia. For Vezdaea rheocarpa and Pilophorus robustus the westernmost localities in Russia are reported. The new localities of 9 species included in the Red Data Book of Arkhangelsk Region are presented. Six species are added to the list of lichens of Vodlozersky National Park.

Stanowiska reliktowego gatunku Betula humilis (Betulaceae) w Dolinie Górnego Nurca na Nizinie Północnopodlaskiej

2019 ◽  
pp. 161-168
Author(s):  
Aleksander Kołos
Keyword(s):  
Drainage Ditches ◽  
North West ◽  
Hay Meadows ◽  
The North ◽  
South West ◽  
North Eastern ◽  
New Localities ◽  
Western Border ◽  
Betula Humilis ◽  
Trees And Shrubs

Betula humilis Schrank (shrubby birch) is among the most endangered shrub species in Poland. All localities are in the eastern and northern parts of the country, where the species reaches the western border of its geographical range in Europe. Betula humilis is disappearing in Poland due to wetland melioration and shrub succession. Over 80% of the localities described in Poland have not been confirmed in the last 20 years. Five new localities of B. humilis in the North Podlasie Lowland were recorded from 2008 to 2019 in the Upper Nurzec Valley (Fig. 1): 1–1.5 km south-west of Pawlinowo village (in the ATPOL GC7146 plot) and 1.5–2 km north-west of Żuki village (ATPOL GC7155, GC156 and GC166). The population near Pawlinowo (locality 1) is currently composed of ~80 individuals (101 individuals were noted in 2010) and is one of the largest populations in north-eastern Poland. Betula humilis grows there within patches dominated by Salix rosmarinifolia and megaforbs. The population at locality 5 is composed of 18 individuals. At the remaining localities, only 1–4 individuals were found, scattered along drainage ditches surrounded by hay meadows. At some of these localities the species is threatened with extinction. It is suggested to remove competitive trees and shrubs (mainly Populus tremula, Betula pubescens and Salix cinerea) in order to maintain the local populations.

scholarly journals Growth features of different forms of scots pine in the shrub-sphagnum forest type estuary of the Onega River

2020 ◽  
Vol 10 (2) ◽  
pp. 151-169
Author(s):  
Ekaterina A. Pinaevskaya ◽  
Sergey N. Tarkhanov ◽  
Aleksandr S. Pakhov
Keyword(s):  
Scots Pine ◽  
Radial Growth ◽  
Forest Type ◽  
Northern Taiga ◽  
Morphometric Characteristics ◽  
North West ◽  
The North ◽  
Pine Tree ◽  
European Part Of Russia ◽  
Growth Features

Pinus sylvestris L. is the main tree species of forest ecosystems in the European North of Russia, therefore, in-depth studies of the diversity of forms and growth processes of this plant are important. Forms in pine stand out according to morphological and other characteristics. In conditions of prolonged excessive soil moisture, the joint growth of various forms of pine is observed. The aim of the work is to study the growth of various forms of pine according to morphostructural characteristics in the shrub-sphagnum forest type estuary of the Onega River. Investigations of tree growth (according to the form of seed cone scales apophysis and crown habit) were carried out in shrub-sphagnum pine forests of different ages in the north-west of the European part of Russia (northern taiga subzone). Morphometric measurements of the vegetative and generative spheres in the forms of scots pine were made. It is established that the advantage in morphometric characteristics, average values ​​of radial growth, late and early wood has a pine tree with a «convex» apophysis form. The advantage with respect to the morphometric characteristics of the trunk and crown is form with «ordinary» crown habit. The «ordinary» form has larger cones, a larger value of radial growth and macrostructural parameters of wood compared to the «swamp».

scholarly journals To the distribution of noctuid moths (Lepidoptera: Noctuoidea) in the North-Western Pryazovia and adjacent regions of the steppe zone of Ukraine

2019 ◽  
Vol 27 (2) ◽  
pp. 23-33
Author(s):  
S. I. Suchkov ◽  
Yu. M. Geryak
Keyword(s):  
Rare Species ◽  
New Records ◽  
Steppe Zone ◽  
The North ◽  
Clostera Anastomosis ◽  
New Localities ◽  
First Time ◽  
North Western

The new records of 94 species of noctuid moths (Noctuoidea) in the North-Western Pryazovia and adjacent regions of the steppe zone of Ukraine are presented. One species Dysgonia rogenhoferi is recorded in Ukraine for the first time. Founds of species Eublemma amasina and Caradrina expansa are the second in our country. One species (Eublemma amasina) in Dnipro Region, 2 (Ptilophora plumigera and Schargacucullia gozmanyi) — in Donetsk Region, 2 (Cerura erminea and Apamea unanimus) — in Odesa Region, 5 (Acantholipes regularis, Dysgonia rogenhoferi, Caradrina expansa, Luperina rubella, and Aporophyla canescens) — in Zaporizhzhya Region, 7 (Clostera anastomosis, Zanclognatha lunalis, Polyphaenis sericata, Protarchanara brevilinea, Aporophyla canescens, Lacanobia praedita, and Dichagyris forcipula) — in Kherson Region, and 10 (Clostera anastomosis, Cucullia argentina, Meganephria bimaculosa, Hoplodrina blanda, Sedina buettneri, Tiliacea aurago, Cosmia diffinis, Cosmia affinis, Aporophyla lutulenta and Xestia trifida) — in Mykolaiv Region are registered for the first time. In addition, new localities of a number of little-known, local and rare species in Ukraine or in its separate regions were discovered.

scholarly journals The spatiotemporal characteristics of the distribution of radiation frosts over the territory of the North-West region of Russia

2018 ◽  
Vol 3 ◽  
pp. 36-41
Author(s):  
Kononenko O.V.
Keyword(s):  
Crop Production ◽  
Limiting Factor ◽  
Leningrad Region ◽  
Agricultural Crop ◽  
Weather Station ◽  
North West ◽  
The North ◽  
West Region ◽  
Pskov Region ◽  
Weather Stations

To plan agrotechnical measures in changing climate it is necessary to track the dynamics of spatial and temporal changes in agrometeorological factors. Late spring and early autumn frosts are a limiting factor for agricultural crop production. In general, such frosts are of the radiation type. To study the spatial and temporal characteristics of the radiation frosts distribution in the North-West region of Russia, data of daily observations of the standard meteorological network from 1966 to 2015 were used. The change over the time in the average number of days with radiation frosts was calculated for two 25-year periods: from 1966 to 1990 and from 1991 to 2015. Two zones of multidirectional change of the average number of days with radiation frosts in the period from 1991 to 2015 were revealed. The decrease in the average number of days with radiation frosts during this period was recorded at the weather stations of Vologda and Leningrad (except for the weather station Belogorka) and the meteorological station Velikie Luky (Pskov region). At the same time all the weather stations of this zone (with the exception of the Vyborg weather station) are characterized by the higher number of days with radiation frosts then the weather station of the other zone. The increase in the average number of days with radiation frosts during this period was noted at the weather stations of the Pskov, Novgorod, Kaliningrad regions and the weather station Belogorka (Leningrad region).

Classification of boreal forests in the North of European Russia. I. Oligotrophic coniferous forests

2007 ◽  
pp. 61-81 ◽  
Author(s):  
O. V. Morozova ◽  
L. B. Zaugolnova ◽  
L. G. Isaeva ◽  
V. A. Kostina
Keyword(s):  
Boreal Forests ◽  
Middle Part ◽  
Tree Canopy ◽  
European Russia ◽  
Pine Forests ◽  
Middle Taiga ◽  
Taiga Zone ◽  
Northern Forest ◽  
North West ◽  
The North

Results of a syntaxonomical study of the oligotrophic forests of northern European Russia are presented. The main forest types have been classified into 2 orders of the class Vaccinio-Piceetea, 4 alliances, 6 associations and 1 community. The new alliance Empetro-Piceion all. nov., which includes zonal spruce and birch northern forest association Empetro-Piceetum, has been established. These communities are formed according to cold temperature and high (sometimes temporarily) soil moisture and are characterized by the lower tree canopy, mosaic herb and moss-lichen layers with boreal mosses, sphagnum and lichens. In the middle taiga subzone these communities are replaced by Eu-Piceetum myrtilletosum. The forests with lichens are referred to order Cladonio-Vaccinietalia and divided into 4 associations. Lichen pine forests of the north-west of boreal zone were described as ass. Flavocetrario nivalis—Pinetum ass. nov. This association with a great number of lichens is differentiated by Cladonia arbuscula subsp. mitis, Flavocetraria nivalis, Cetraria ericetorum, Stereocaulon grande, Dicranum fuscescens, D. drummondii, Nephroma arcticum and species of Cladonia. The ass. Cadonio arbusculae—Pinetum (Caj. 1921) K.-Lund 1967 contains lichen pine forests with lower number of lichens and is distributed mostly in middle part of the taiga zone. The spruce-pine forests with mixed moss-lichen cover correspond to ass. Vaccinio-Pinetum. Ass. Hedysaro-Laricetum represents rich and well differentiated larch forests in the east of European Russia.

scholarly journals Similarity of empirical copulas of flood peak-volume relationships: a regional case study of North-West Austria

2016 ◽  
Vol 46 (3) ◽  
pp. 155-178 ◽  
Author(s):  
Ladislav Gaál ◽  
Ján Szolgay ◽  
Tomáš Bacigál ◽  
Silvia Kohnová ◽  
Kamila Hlavčová ◽  
...  
Keyword(s):  
Sample Size ◽  
Selection Procedure ◽  
Flash Floods ◽  
Limiting Factor ◽  
Event Selection ◽  
North West ◽  
Flood Peak ◽  
The North ◽  
Flood Peaks

Abstract This paper analyses the bivariate relationship between flood peaks and corresponding flood event volumes modelled by empirical copulas in a regional context in the North-West of Austria. Flood data of a total of 69 catchments in the region are analysed for the period 1976–2007. In order to increase the sample size and the homogeneity of the samples for the statistical analysis, 24872 hydrologically independent flood events were isolated and assigned to one of three flood process types: synoptic floods, flash floods or snowmelt floods in contrary to the more traditional engineering approach of selecting annual maxima of flood peaks and corresponding flood volumes. The first major part of the paper examines whether the empirical peak-volume copulas of different flood process types are statistically distinguishable, separately for each catchment. The results indicate that the empirical copulas of flash floods tend to be different from those of the synoptic and snowmelt floods in the target region. The second part examines how similar are the empirical flood peak-volume copulas between catchments for a given flood type. For the majority of catchment pairs, the empirical copulas of all flood types are indeed statistically similar. The flash floods show the largest degree of spatial heterogeneity. It is concluded that there is merit in treating flood types separately and in pooling events of the same type in a region when analysing and estimating flood peak-volume dependence copulas; however, the sample size of the analysed events is a limiting factor in spite of the introduced event selection procedure.

scholarly journals Meadows and pastures in the agricultural landscapes of the Karelian province of the Middle Taiga zone of the North-West of Russia

2021 ◽  
Vol 901 (1) ◽  
pp. 012037
Author(s):  
I A Trofimov ◽  
L S Trofimova ◽  
E P Yakovleva ◽  
D M Teberdiev ◽  
A A Kutuzova ◽  
...  
Keyword(s):  
Agricultural Land ◽  
Arable Land ◽  
Agricultural Landscapes ◽  
Middle Taiga ◽  
Leningrad Region ◽  
Taiga Zone ◽  
North West ◽  
Podzolic Soils ◽  
The North ◽  
Mixed Grass

Abstract In order to take into account the territorial differences of natural and economic conditions, to identify biological and ecological patterns, the agro-landscape and ecological zoning of natural forage lands (NFL) of the North-Western natural and economic region of the Russian Federation has been developed. The Karelian province occupies 23% of the area in the north of the Leningrad region, bordering Karelia and Finland. The Karelian province is located in the western part of the Middle Taiga zone, which is characterized by Eastern European Middle Taiga plains. Most of the area of the province (65%) is covered by forests. Agricultural land occupies only 4% of the total area of the province. Including arable land – 2%, hayfields and pastures – 1% each. The territory of the province is significantly moistened and swampy. Swamps occupy 11% of the area, under water – about 11%. Shrubs occupy 3% of the area of the province, other land – about 6%. The structure of NFL is dominated (53%) by normally moistened dry-grass grasslands on sod-podzolic soils. Fine-grained sweet-scented and finegrained grasslands with a large participation of various grasses are common. The yield of hay is 9–13 c/ha, feed is 70 c/ha. Grass-mixed grass and grass-sedge-mixed grass lowland and swampy meadows on swamp-podzolic soils occupy 44%. Grass stands with the dominance of the sod pike are common. Swampy depressions are occupied by large-seeded grass stands. The yield of hay is 10–15 c/ha, feed is 9–11 c/ha. The ecological state of the province’s landscapes is satisfactory-tense.

scholarly journals Nesting of Moustached Warbler Acrocephalus melanopogon (Temminck, 1823) in the South-East of Ukraine

2020 ◽  
Vol 2020 (23) ◽  
pp. 5-16
Author(s):  
O.  I. Bronskov ◽  
◽  
K.  V. Kuzhel ◽  
V.  K. Kuzhel ◽  
◽  
...  
Keyword(s):  
Common Reed ◽  
Water Area ◽  
Small Rivers ◽  
The South ◽  
River Bank ◽  
Black Sea Region ◽  
North West ◽  
The North ◽  
Azov Sea ◽  
New Localities

The territory of Ukraine is located between the areas of two subspecies of Moustached Warbler Acrocephalus melanopogon (Temminck, 1823) - A. m. melanopogon (Temminck, 1823) and A. m. albiventris (Kazakov, 1974). In the North-West Black Sea region, the nesting of the nominative subspecies has been proven, while the second one nests in the East Azov Sea region. By 2016, neither in the North Azov Sea region, nor in the South-East of Ukraine, this species was not observed. However, there are certain meetings of solitary birds in the adjacent regions during migrations on the Eastern Syvash on 21.10.2006 and westwards of the Don mouth on the Mius River bank on 05.09.2011. It was photographed for the first time on 24.04.2016 on the Shaitanka River near the Novodonetske village Velykonovosilkivskyi district of Donetsk region. Its nesting is reliably proven on 30.04.2020 on the Mokri Yaly River of the same region. On this river, there are plant communities with different proportions of common reed (Phragmites australis) and narrowleaf cattali (Typha angustifolia) grow in some places around open areas of the water area. It's on such sections of the river the Moustached Warbler males were observed. On a 600 m long section of the river, 3-4 males were observed. 2 males were caught, which were assigned to the subspecies of A. m. albiventris by color and measurements. On 19.05.2020 there were 5 eggs in one of the found nests. Egg sizes, mm: 18.0x13.0; 18.0x12.9; 16.9x12.9; 17.6x12.9; 17.9x12.9. The nest was located at a height of 250 mm above the water. Nest measurements, mm: D=85; d=50; H=53; h=43. It is suggested that in the South-East of Ukraine, birds appeared on nesting grounds due to the increase in the range of the subspecies in the north-west direction over the last 20 years due to climate warming. It is quite likely to find new localities of the Moustached Warblers on small rivers, large ponds or reservoirs in the southern part of Donetsk, eastern part of Zaporizhzhia or south – eastern part of Dnipropetrovsk regions.

scholarly journals ROTARY REPLACEMENT OF SAW CHAINS AS A WAY TO INCREASE HARVESTER PRODUCTIVITY

2020 ◽  
Vol 10 (2) ◽  
pp. 196-203
Author(s):  
Dmitriy Savenkov ◽  
Nadezhda Savenkova ◽  
Mikhail Derbin ◽  
Aleksandr Tret'yakov
Keyword(s):  
Field Experiments ◽  
Optimal Method ◽  
North West ◽  
Arkhangelsk Region ◽  
The North ◽  
Key Points ◽  
Replacement System ◽  
The Cost

Annually in the North-West of Russia, the percentage of cutting using assorted harvesting technology is increased. As a result, the issue of increasing productivity of forestry machines is becoming increasingly important. One of the key points is the proper maintenance and operation of equipment, in particular a saw of a harvester head. However, the experiments show that the operators of logging machines do not know the rules or, often, neglect the need for proper and timely maintenance of the saw apparatus. The condition of the saw chains and the saw apparatus as a whole is directly reflected in the performance of forestry machines. One way to solve this problem may be to use the method of rotational replacement of saw chains. During the study, a series of field experiments were conducted at a logging enterprise located in the Arkhangelsk region. The aim of the experiment was to determine the most optimal method of using saw chains. It will increase the productivity of multioperational forestry machines. As a result of the study, it was found that the saw chain replacement system currently used in enterprises does not have sufficient efficiency and requires changes. In this paper, we use the method of rotational replacement of saw chains, which, based on practical and theoretical observations, increases the time of clean sawing, the volume of harvested wood on one chain and, accordingly, increases the productivity of the forestry machine. This work, in general, helps increase the efficiency of harvesters, as well as reduce the cost of consumables.

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