Morphology of the cephalothorax integument of Bryocamptus pygmaeus (Copepoda: Harpacticoida: Canthocamptidae), based on a new research method

2021 ◽  
Vol 30 (2) ◽  
pp. 320-330
Author(s):  
A.A. Novikov ◽  
E.B. Fefilova
Keyword(s):  
Three Dimensional ◽  
Komi Republic ◽  
Southeastern Part ◽  
The North ◽  
Udmurt Republic ◽  
The Republic ◽  
A New Technique ◽  
Three Dimensional Models ◽  
New Research ◽  
First Time

The number and location of sensilla and pores of the cephalothorax integument of the species Bryocamptus pygmaeus (G.O. Sars, 1863) (Copepoda, Canthocamptidae) were studied for the first time on the material from several European regions: the southeastern part of the Bolshezemelskaya tundra (Ne­nets Autonomous District), the north of the Komi Republic, the Republic of Karelia, and the central part of European Russia (Udmurt Republic). In the samples examined, two groups of populations differing in the characters of cephalothorax integument were recognised. These differences were found to correlate with the variability of the endopod of fourth pair of female legs, which bears four setae in specimens of the eastern form, while a specimen examined from Karelia has five setae. Pore maps are composed for both groups of morphotypes. A statistical analysis was carried out based on a new technique using three-dimensional models of the cephalothorax. As a result of this analysis, a high similarity between individuals of the eastern form and differences of the latter from the Karelian specimen were revealed.

scholarly journals Morpholithodynamics of lagoonal straits of the North-Eastern Sakhalin

2019 ◽  
pp. 79-94
Author(s):  
V. V. Afanasev
Keyword(s):  
Additional Data ◽  
Three Dimensional ◽  
Remote Sensing Data ◽  
Water Area ◽  
The North ◽  
North Eastern ◽  
Geological Information ◽  
History Of ◽  
Three Dimensional Models ◽  
And Migration

The results of the analysis of geospatial and geological information on the structure and dynamics of the lagoon coast of the North-Eastern Sakhalin are presented. On the basis of a number of parameters of the coastal erosion-accumulation processes and migration of lagoon straits during the period 1927–2014. the morpholithodynamics system of the North-Eastern Sakhalin was considered. The volume of sediments transported during the migration of the straits, was estimated with the help of three-dimensional models, in which, parallel with time-averaged areas of erosion and accumulation, additional data were used, namely: bathymetry of the straits and adjacent water area, characteristics of the relief of the barrier forms and geological information obtained as a result of georadar survey and drilling. Georadar data, together with remote sensing data, have made it possible to create a model of sedimentation, which formed the basis for the analysis of the history of the coast formation beyond the period of observations. Currently, we can trace the situation as long as to the middle of the XIXth century.

scholarly journals Development of Marriage and Family Relationships in the Northern Regions of Russia

2015 ◽  
Vol 2 (2) ◽  
pp. 27
Author(s):  
Larisa A. Popova ◽  
Anastasiya S. Barashkova
Keyword(s):  
Family Relationships ◽  
Family Relations ◽  
Marriage Rate ◽  
Komi Republic ◽  
Demographic Development ◽  
Marriage And Family ◽  
The North ◽  
Northern Regions ◽  
The Republic ◽  
Post War

The article deals with the mechanism of modern demographic development in Russia’s northern regions. The article studies the dynamics of marriage processes in the North in the post-war period, and reveals the current specifics of marriage and family relations. The authors analyze in more detail the situation in the two big northern republics: the Komi Republic and the Republic of Sakha (Yakutia). They identify factors that determined a significant decrease of marriage rate in the 1990s and the relative normalization of marital and family processes in recent years. The article outlines the main directions of demographic policies in the northern regions.

scholarly journals Dialect versions of the all-Russian phraseological units in dialects of Local Pechora

2020 ◽  
pp. 237-250
Author(s):  
I. S. Urmancheeva ◽  
Keyword(s):  
Comparative Analysis ◽  
Russian Federation ◽  
Komi Republic ◽  
Complex Investigation ◽  
Broad View ◽  
The North ◽  
The World ◽  
The Russian Federation ◽  
Research Objects ◽  
First Time

The paper presents a comparative analysis of the phraseological units of dialects of the Local Pechora and the all-Russian phraseological units of identical semantics (with a form variation) or an identical form (with a semantics variation). The Russian dialects of Local Pechora are a speech of aboriginals of the Ust-Tsilemsky Region of the Komi Republic of the Russian Federation. A complex description covers a big group of the Pechora phraseological units corresponding to the all-Russian phraseological units that are the research objects. The art features of dialect phraseological units are considered. Also, the analysis is made of the figura-tive basis reflecting a picture of the world of the inhabitant of the North. The relevance and scientific novelty of work is due to the fact that it is for the first time that this phraseological material is subjected to such a complex investigation. The main source of the study was the “Phraseological dictionary of the Russian dialects of the Lower Pechora”, with additional ma-terial taken from the “Dictionary of Russian dialects of the Komi Republic” and other dialect dictionaries. All-Russian phraseological units were taken from Russian phraseological dic-tionaries. The paper provides a broad view of the phraseological structure of the Russian lan-guage. The research has revealed phonetic, word-formative, morphological, syntactic, lexical, structural, quantitative and semantic dialectal variants of all-Russian phraseological units, as well as the phenomena of combined (mixed) variation. The comparative analysis allowed re-vealing the originality of the Pechora phraseological units that have preserved many archaic phenomena due to the long, isolated existence of a dialect in the conditions of interlingual contacts.

scholarly journals Active Cloaking and Illusion of Electric Potentials in Electrostatics

2021 ◽  
Author(s):  
Andreas Helfrich-Schkabarenko ◽  
Alik Ismail-Zadeh ◽  
Aron Sommer
Keyword(s):  
Electric Potential ◽  
Superposition Principle ◽  
Current Source ◽  
Three Dimensional ◽  
Numerical Results ◽  
Research Fields ◽  
Electric Potentials ◽  
Three Dimensional Models ◽  
First Time ◽  
A Current

Abstract Cloaking and illusion has been demonstrated theoretically and experimentally in several research fields. Here we present for the first time an active exterior cloaking device in electrostatics operating in a two-horizontally-layered electroconductive domain, and use the superposition principle to cloak electric potentials. The device uses an additional current source pattern introduced on the interface between two layers to cancel the total electric potential to be measured. Also, we present an active exterior illusion device allowing for detection of a signal pattern corresponding to any arbitrarily chosen current source instead of the existing current source. The performance of the cloaking/illusion devices is demonstrated by three-dimensional models and numerical experiments using synthetic measurements of the electric potential. Sensitivities of numerical results to a noise in measured data and to a size of cloaking devices are analysed. The numerical results show quite reasonable cloaking/illusion performance, which means that a current source can be hidden electrostatically. The developed active cloaking/illusion methodology can be used in subsurface geo-exploration studies, electrical engineering, live sciences, and elsewhere.

scholarly journals Enhanced macroboring and depressed calcification drive net dissolution at high-CO 2 coral reefs

2016 ◽  
Vol 283 (1842) ◽  
pp. 20161742 ◽  
Author(s):  
Ian C. Enochs ◽  
Derek P. Manzello ◽  
Graham Kolodziej ◽  
Sam H. C. Noonan ◽  
Lauren Valentino ◽  
...  
Keyword(s):  
Three Dimensional ◽  
Skeletal Structure ◽  
Global Ocean ◽  
Biological Processes ◽  
Micro Computed Tomography ◽  
Dead Coral ◽  
Intergovernmental Panel ◽  
Three Dimensional Models ◽  
First Time ◽  
High Carbon Dioxide

Ocean acidification (OA) impacts the physiology of diverse marine taxa; among them corals that create complex reef framework structures. Biological processes operating on coral reef frameworks remain largely unknown from naturally high-carbon-dioxide (CO 2 ) ecosystems. For the first time, we independently quantified the response of multiple functional groups instrumental in the construction and erosion of these frameworks (accretion, macroboring, microboring, and grazing) along natural OA gradients. We deployed blocks of dead coral skeleton for roughly 2 years at two reefs in Papua New Guinea, each experiencing volcanically enriched CO 2 , and employed high-resolution micro-computed tomography (micro-CT) to create three-dimensional models of changing skeletal structure. OA conditions were correlated with decreased calcification and increased macroboring, primarily by annelids, representing a group of bioeroders not previously known to respond to OA. Incubation of these blocks, using the alkalinity anomaly methodology, revealed a switch from net calcification to net dissolution at a pH of roughly 7.8, within Intergovernmental Panel on Climate Change's (IPCC) predictions for global ocean waters by the end of the century. Together these data represent the first comprehensive experimental study of bioerosion and calcification from a naturally high-CO 2 reef ecosystem, where the processes of accelerated erosion and depressed calcification have combined to alter the permanence of this essential framework habitat.

Towards water quality models

1993 ◽  
Vol 343 (1669) ◽  
pp. 569-584 ◽  
Keyword(s):  
Water Quality ◽  
Three Dimensional ◽  
Metal Interactions ◽  
The North ◽  
The North Sea ◽  
Transport And Diffusion ◽  
Three Dimensional Models ◽  
Component Models ◽  
Water Quality Models ◽  
And Diffusion

Predictions of water quality involve the modelling both of physical processes, which underlie the transport and diffusion of all constituents, and of the sources, sinks, partitioning and interactive processes individual to those constituents. These processes are outlined, together with complementary modelling approaches: (i) development of sophisticated three-dimensional models to represent the physics, and sub-models of suspended sediment, microbiology and metal interactions for processes controlling nutrients, dissolved oxygen, phytoplankton, detritus and metals; (ii) a framework to link these component models; (iii) an accessible model with simpler physics for wide use in simulating constituent distributions, for comparison with measurements to infer sources, sinks and interactions. The North Sea Project measurements provide an input in process evaluation, and data to test the models.

scholarly journals Reintroduction of Kok-saghyz (Taraxacum Kok-saghyz L. Rodin)

2021 ◽  
Vol 11 (2) ◽  
pp. 240-249
Author(s):  
Kairat R. Uteulin
Keyword(s):  
Natural Populations ◽  
Growth Zone ◽  
Tien Shan ◽  
Natural Growth ◽  
Valuable Resource ◽  
High Quality ◽  
The North ◽  
North Eastern ◽  
The Republic ◽  
First Time

For the first time in the Republic of Kazakhstan, the reintroduction of the kok-saghyz dandelion (Taraxacum kok-saghyz L. Rodin) has been carried out, a rare species included in the Red Book of Kazakhstan. Kok-saghyz is a valuable resource plant of world importance. It is used as an industrial crop, a source of high-quality rubber. During the works held in 2017-2018 the method of returning kok-saghyz to the limits of its natural growth zone, located on the intermountain valleys of the North-Eastern Tien Shan of Kazakhstan, has been tested. The survival rate of kok-saghyz seedlings decreased from 94% to 84% and then to 77% with an increase in the height of the seedlings above sea level (1795, 1842, 1900 meters, respectively). The tested method will be used in the practice of restoration, expansion and preservation of natural populations of Taraxacum kok-saghyz Rodin.

scholarly journals Reptilia, Amphisbaenidae, Monopeltis schoutedeni de Witte, 1933: first record from Gabon, with an updated key to Gabonese worm lizards

Check List ◽  
2010 ◽  
Vol 6 (3) ◽  
pp. 476 ◽  
Author(s):  
Olivier S. G. Pauwels ◽  
Jean-Louis Albert ◽  
Georges L. Lenglet
Keyword(s):  
Democratic Republic ◽  
Democratic Republic Of Congo ◽  
First Record ◽  
Identification Key ◽  
Single Individual ◽  
Southeastern Part ◽  
Republic Of Congo ◽  
Reptile Species ◽  
The Republic ◽  
First Time

The amphisbaenian Monopeltis schoutedeni is reported for the first time from Gabon based on a single individual from the extreme southeastern part of the country. The species was formerly known only from the Republic of Congo and the Democratic Republic of Congo. It is the 4th amphisbaenian and the 123rd reptile species recorded from Gabon. An identification key to Gabon amphisbaenians is provided.

scholarly journals GEOMETRIC PRIMITIVES ASSESSING ITALIAN-CZECH VAULT CONSTRUCTION TECHNIQUES IN BAROQUE PERIOD

2019 ◽  
Vol XLII-2/W11 ◽  
pp. 1081-1088
Author(s):  
C. Stanga ◽  
H. Hasníková ◽  
R. Brumana ◽  
A. Grimoldi ◽  
F. Banfi
Keyword(s):  
Case Studies ◽  
Laser Scanning ◽  
Three Dimensional ◽  
Information Modeling ◽  
Built Heritage ◽  
The North ◽  
Construction Techniques ◽  
Building Information ◽  
Three Dimensional Models ◽  
Geometric Primitives

<p><strong>Abstract.</strong> The developments of the latest technology in the field of Digital Cultural Heritage (DCH) are revolutionizing the methods of surveying, representing and managing the built heritage. The integrated use of 3D survey instruments such as laser scanning, digital photogrammetry and the new holistic way to represent the architecture, based on the Building Information Modeling (BIM), allows the collection, analysis and archiving of a large amount of data, by increasing information sharing among a great number of experts involved during the life cycle of the building. The paper focuses on the connection between Italy and Czech in terms of vaults patterns and construction techniques. The two case studies are the frame vault of the chapel of the Italian Cultural Institute and the barrel vault with lunettes of the Klementinum Baroque Library. They are both unique examples of the great expertise of architects and craftsmen that worked in Bohemia across the 17th and 18th centuries. Most of them were from the North of Italy, like the ones that worked in the building sites of the two case studies. The in-depth study of the construction techniques and the complex shapes needs the use of new scan-to-BIM modeling requirements, based on the definition of geometric primitives useful for the generation of intelligent three-dimensional models able to integrate different types of data. Finally, the acquired data are included in a database that collects information coming from both Italian and Czech studies, raising awareness among citizens of the richness of their built heritage.</p>

scholarly journals НАПРЯМКИ ПІДВИЩЕННЯ ЕФЕКТИВНОСТІ ЛІСОВОГО КОМПЛЕКСУ СІЛЬСЬКИХ ТЕРИТОРІЙ РЕСПУБЛІКИ КОМИ

2019 ◽  
pp. 115-124
Author(s):  
В. А. Носков ◽  
М. А. Шишелов ◽  
Т. Е. Дмитриева
Keyword(s):  
Economic Development ◽  
Rural Areas ◽  
Rural Economy ◽  
Spatial Differentiation ◽  
Komi Republic ◽  
Practical Significance ◽  
The North ◽  
Socio Economic Development ◽  
Territorial Differentiation ◽  
The Republic

The forestry complex plays an important role in the rural economy of the municipalities of the Komi Republic. However, due to the nature of the distribution of forest resources and types of forestry activities, its effectiveness and impact on the socio-economic development of territories is different. This provision actualizes the development of a methodology for evaluating the effectiveness of the forest complex in rural areas of the Komi Republic and proposals for directions and mechanisms for its improvement. The purpose of the research is to develop ways to improve the efficiency of the forest complex of rural areas of the Komi Republic. The object of the research is the methodology for assessing the efficiency of the forest complex in rural areas of the Komi Republic, as well as the directions for its improvement. The hypothesis of the research is to measure the effectiveness of the functioning of the forest complex of the region based on the structural-territorial differentiation of territories. The methods used of the research. The methodological features of the study are: structuring the efficiency of the forest complex on the production, socio-economic, spatial and bioeconomic; use of a set of indicators characterizing these aspects of efficiency; aggregation of indicators into group and final efficiency ratings by districts; analysis of the factors that determined the spatial differentiation of the efficiency of the forest complex. The statement of basic materials. As a result of a study on a structured set of indicators, a picture of the structural and territorial differentiation of the efficiency of timber industry activity was obtained, formed by the distribution of relevant indicators characterizing the influence of various factors using a rating score. The modern limitations of the development of the forest complex of municipalities of the republic with a rural economy are highlighted. The оriginality and practical significance of the research lies in the possibility of conducting a typology of rural areas according to the level of efficiency of the forest complex, as well as proposing directions and mechanisms for its improvement, applicable to each group of districts. Conclusions of the research. An integrated assessment of the efficiency of the forest complex of rural areas has allowed to identify areas with high, medium and low levels of efficiency, as well as a separate group of areas with “non-forest” specialization or with a weak forest industry. Prospects for the further use of the results obtained can be adjusted by the strategy of socio-economic development of territories, as well as new approaches to the location of productive forces in the North.

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