Morphology, biology and parasite fauna of the least cisco (Coregonus sardinella) of the Yenisei River

In the present study, we present an analysis of the morphological and ecological characteristics of the “turukhanskaja” form of the Siberian least cisco of the Yenisei River, including the characters of the size-age, sexual composition of the population, fecundity and growth. The variability of 34 morphological characters was studied. Significant differences were noted between males and females of the least cisco of the Yenisei River for 11 morphometric characters (head length, maximum body depth, caudal peduncle length, antepectoral distance, dorsal fin base length and dorsal fin depth, anal fin base length, pectoral fin length, head width, head (at nape), interorbital width). Significant differences in meristic characters were revealed in comparison of the least cisco from the Yenisei River with populations of Siberian least cisco from other water bodies. It was shown that the Yenisei least cisco is close to the European vendace Coregonus albula Linnaeus, 1758 not only according to cluster hierarchical analysis for some meristic and morphometric features but also in terms of growth and fecundity. In general, the Yenisei least cisco, as well as other populations of least cisco of the Taimyr, is characterized by heterogeneity in the structure of populations. The parasite fauna of Yenisei’s Siberian cisco, captured in the area of Dudinka town, consists of 17 species of parasites from seven systematic groups. It is dominated by Diphyllobothrium ditremum (Creplin, 1825) and Discocotyle sagittata (Leuckart, 1842). The feature of the parasite fauna of least cisco from Yenisei River in comparison with the Ob River (neighbouring water basin) is a low infection with trematodes and a high species diversity of Acanthocephala. The reason for the low infection with trematodes may be differences in the hydrological conditions of the water bodies, which in the Yenisei are unfavourable for the development of intermediate hosts of trematodes. Siberian cisco from the Yenisei River is a carrier of Diphyllobothrium dendriticum (Nitzsh, 1824), a species that can cause human disease

Assessment of the Level of Economic Security in the Conditions of Uncertainty

The article is devoted to assessing the economic security of the state, projecting the resulting efficiency factor of socio-economic development in general. Assessment of economic security is presented as a set of socio-economic development indicators based on those parameters that reflect the impact of uncertainty on the conditions of economy security of the state. The values of economy security indicators of the Russian Federation are calculated for the period 2009-201

Regional Resources Capitalization: Theoretical and Methodological Basis

The article substantiates the holistic theoretical approach to the definition of the economic content, dominant characteristics, the structure and features of the regional resource potential as the basis of the regional economy capitalization. The methodological platform, an updated and expanded conceptual and categorical apparatus of capitalization of the regional economy is presented in the paper. The authors conducted identification, classification and structural-functional decomposition of the elements of the resource potential, objectives, subjects, objects and mechanisms of capitalization of the territory taking into account the differentiation of their role, scale and impact on the proces

Assessment of capitalization as a management tool of economic development of a region

The article suggests the authors' definition of capitalization of regional economy as a process of effective business usage, increase of revenues and values of complex capital assets of regional economic agents. The functions of capitalization are systematized and peculiarities of their implementation at the regional level are revealed. The authors define and structure the objects of capitalization of regional economyyesBelgorod State Universit

Evaluation of the effect of non-current fixed assets on profitability and asset management efficiency

The purpose of this article is to investigate the problem, which stems from non-current fixed assets affecting profitability and asset management efficiency. Tangible assets, intangible assets and financial assets are all included in non-current fixed assets. The aim of the research is to identify the impact of estimates and valuation in accounting for non-current fixed assets through several objectives, for example, explanation of the impairment tests of tangible and intangible assets under IFRS. This study relied on combining the deductive approach with the quantitative analysis approach, where the deductive approach was used to root the subject through books, periodicals and scientific communications and electronic articles published online. The results of the research: The differences in the measurement of accounting figures under IFRS and EAS may directly affect the numerator of ratio calculations, their denominator, or both. In cases where the difference in measurement affects only the numerator or only the denominator, the effect of the changes is straightforward, easy to identify and to interpret. Identification and interpretation are less obvious in cases of numerous diverging effects on ratios. The results provided by this article have a practical value for designers and users of financial statements. © 2016 Lubyanaya et al

The formation of strategies for effective management of business environment of the region

This study is aimed to explore the opportunities of creating conditions which is necessary for successful development of small and medium enterprises of Russia and the Belgorod region in particular in the chemical industry of leather and footwear sector. The system of criteria for the assessment of the entrepreneurial activity of small and medium enterprises is proposed. The directions of development of small and medium enterprises in the chemical industry of leather and footwear sector are designedyesБелгородский государственный университе

The innovation subsystem development level evaluation of the regional social-economic systems

The innovation subsystem development level evaluation of the regional social-economic systems / Y. V. Nikulina, J. V. Lyshchikova, A. V. Orlova et al. // International Business Management. - 2016. - Vol.10,N16.-P. 3427-3431. - Refer.: p. 3431.The stusy analyzes the methodological approaches to the identification and assessment of the innovation potential of the regional socio-economic systems. The system of indicators of the region's innovative capacity is formed. The assessment and ranging of regional social and economic systems of Russia on a level of development of innovative potential is carried ou

Negative reflection of nanoscale-confined polaritons in a low-loss natural medium

7 pags., 4 figs.Negative reflection occurs when light is reflected toward the same side of the normal to the boundary from which it is incident. This exotic optical phenomenon is not only yet to be visualized in real space but also remains unexplored, both at the nanoscale and in natural media. Here, we directly visualize nanoscale-confined polaritons negatively reflecting on subwavelength mirrors fabricated in a low-loss van der Waals crystal. Our near-field nanoimaging results unveil an unconventional and broad tunability of both the polaritonic wavelength and direction of propagation upon negative reflection. On the basis of these findings, we introduce a device in nano-optics: a hyperbolic nanoresonator, in which hyperbolic polaritons with different momenta reflect back to a common point source, enhancing the intensity. These results pave way to realize nanophotonics in low-loss natural media, providing an efficient route to control nanolight, a key for future on-chip optical nanotechnologies.G.Á.-P. and J.T.-G. acknowledge support through the Severo Ochoa Program from the Government of the Principality of Asturias (grant numbers PA-20-PF-BP19-053 and PA-18-PF-BP17-126, respectively). Q.O. acknowledges support from the Australian Research Council (ARC; CE170100039 and DE220100154). This work was performed in part at the Melbourne Centre for Nanofabrication (MCN) in the Victorian Node of the Australian National Fabrication Facility (ANFF). hBN crystal growth was supported by the National Science Foundation award number CMMI 1538127. V.G. acknowledges the Ministerio de Ciencia, Innovación y Universidades through the grant MELODIA (PGC2018-095777-B-C21). V.G. thanks the “ENSEMBLE 3–Centre of Excellence for nanophotonics, advanced materials and novel crystal growth-based technologies” project (GA no. MAB/2020/14) carried out within the International Research Agendas program of the Foundation for Polish Science cofinanced by the European Union under the European Regional Development Fund and the European Union’s Horizon 2020 research and innovation programme Teaming for Excellence (GA no. 857543) for support of this work. R.H. acknowledges financial support from the Spanish Ministry of Science, Innovation and Universities (national project RTI2018-094830-B-100 and the project MDM-2016-0618 of the María de Maeztu Units of Excellence Program) and the Basque Government (grant no. IT1164-19). J.M.-S. acknowledges financial support from the Ramón y Cajal Program of the Government of Spain and FSE (RYC2018-026196-I) and the Spanish Ministry of Science and Innovation (State Plan for Scientific and Technical Research and Innovation grant number PID2019-110308GA-I00). A.Y.N. acknowledges the Spanish Ministry of Science and Innovation (grants MAT201788358-C3-3-R and PID2020-115221GB-C42) and the Basque Department of Education (grant PIBA-2020-1-0014). P.A.-G. acknowledges support from the European Research Council under starting grant no. 715496, 2DNANOPTICA and the Spanish Ministry of Science and Innovation (State Plan for Scientific and Technical Research and Innovation grant number PID2019-111156GB-I00). Q.B. acknowledges the support from Shenzhen Nanshan District Pilotage Team Program (LHTD20170006)

Structure and formation conditions of the Yarakta productive horizon of the Late Vendian in the southern part of the Nepsko-Botuobinskaya Anticlise

The relevance. Eastern Siberia is a region with large raw material resources that plays a crucial role in development of Russian oil and gas complex. Since the 1970s, active exploration for hydrocarbons has been underway in the Nepsko-Botuobinskaya Anteclise. One of the main targets for development are terrigenous Vendian deposits, in which up to half of the region hydrocarbon reserves are concentrated. Therefore, for optimal development of the fields confined to them, a detailed study of lithological factors of formation of terrigenous reservoirs is required. The main aim. Lithological and facies analysis is used to reconstruct and trace the evolution of sedimentation conditions of the Yarakta productive horizon of the Nepa Formation. Objects. Terrigenous deposits of the Yarakta productive horizon of the Upper Nepa subformation of the Upper Vendian Formation, uncovered by deep drilling in the area of the Yarakta field. Methods. Mineralogical-petrographic study of core material, facial analysis of lithological rock types, correlation. Results. The Yarakta productive horizon was formed during Late Nepa time. At that time, there was a partly subaerial and to a greater extent subaerial delta plain (lower delta plain) within the tidal plain. It is assumed to be a delta of advancement on a coast dominated by tidal activity and to a lesser extent by wave activity (mixed type of coast). In the subsequent transgression, in the late Nepean time (upper part of the strata), a bar system began to form in place of the delta plain with the bars advancing toward the coastline in the northwestern direction. The bars had an elongated lentil-shaped shape along the conditional coastline. During the formation of the bars, due to the active wave and tidal activity, the sediments carried out by the delta were redeposited and re-sorted. At the Late Nepa and Early Tertiary boundary, the entire area was a shallow intertidal and terrigenous sebha (lagoon) with clay-siltstone sediments and sulfate-carbonate inclusions in them; sometimes, sandy sediments of small intertidal channels or sandbanks are noted in them. Improved filtration-capacitative properties are associated with the facies of distributary subaquatic channels and large (active) tidal channels

Environmental factors in a population-based inception cohort of inflammatory bowel disease patients in Europe--an ECCO-EpiCom study.

To access publisher's full text version of this article click on the hyperlink at the bottom of the pageThe incidence of inflammatory bowel disease (IBD) is increasing in Eastern Europe possibly due to changes in environmental factors towards a more "westernised" standard of living. The aim of this study was to investigate differences in exposure to environmental factors prior to diagnosis in Eastern and Western European IBD patients.The EpiCom cohort is a population-based, prospective inception cohort of 1560 unselected IBD patients from 31 European countries covering a background population of 10.1 million. At the time of diagnosis patients were asked to complete an 87-item questionnaire concerning environmental factors.A total of 1182 patients (76%) answered the questionnaire, 444 (38%) had Crohn's disease (CD), 627 (53%) ulcerative colitis (UC), and 111 (9%) IBD unclassified. No geographic differences regarding smoking status, caffeine intake, use of oral contraceptives, or number of first-degree relatives with IBD were found. Sugar intake was higher in CD and UC patients from Eastern Europe than in Western Europe while fibre intake was lower (p<0.01). Daily consumption of fast food as well as appendectomy before the age of 20 was more frequent in Eastern European than in Western European UC patients (p<0.01). Eastern European CD and UC patients had received more vaccinations and experienced fewer childhood infections than Western European patients (p<0.01).In this European population-based inception cohort of unselected IBD patients, Eastern and Western European patients differed in environmental factors prior to diagnosis. Eastern European patients exhibited higher occurrences of suspected risk factors for IBD included in the Western lifestyle.Danish Colitis Crohn Patients Organisation (CCF) Vibeke Binder and Povl Riis Foundation Scientific Council at Herlev Hospital Sigrid Rignnor Moran Foundation, Aage and Johanne Louis-Hansens Foundation Munkholm Foundation C.C. Klestrup and Henriette Klestrup Foundation Knud and Dagny Gad Andresens Foundation Else and Mogens Wedell-Wedellsborgs Foundation Direktor Jacob Madsen and Olga Madsen's Foundation, Scan Ve