The population biomass, fishing mortality dynamics and reference points of the rational exploitation Black-Azov sea shad during period 2004-2020 were evaluated using JABBA surplus production model in “catch-only” version. IUU estimation preliminary parametrization by CMSY was performed to improve assessment accuracy. According output, stock biomass interval 1315-1341 t, range 0,03-0,38. During ...

Based on our long-term observations, collection material and literature data, the process of expanding range steppe snail Pontic-Balkan origin Xerolenta obvia (Menke, 1828) in Ukraine from end 19th century to present day is analyzed. Known findings this species Pleistocene deposits indicate that X. could migrate Western through Black Sea region Podolian Upland, bypassing Carpathian Mountains. S...

QUESTIONS What are the main floristic patterns in the Pannonian and western Pontic steppe grasslands? What are the diagnostic species of the major subdivisions of the class Festuco-Brometea (temperate Euro-Siberian dry and semi-dry grasslands)? LOCATION Carpathian Basin (E Austria, SE Czech Republic, Slovakia, Hungary, Romania, Slovenia, N Croatia and N Serbia), Ukraine, S Poland and the Brya...

Abstract Objective The present study aimed to observe the differences in dissipation of main minimum stresses with use a fixed pontic partial prosthesis supported by two regular length implants cortical and medullary bone tissues different qualities. Materials Methods Experimental groups were as follows: QI (two bony qualities consistent type I), QII (identical QI, II), QIII III). All developed...

The Late Roman principia from Capidava was built at the end of 3rd - beginning 4th century, most likely during general reconstruction (phase II) fort, as a result bellum Scythicum. building fully excavated in successive campaigns between 2013-2019. This paper is follow-up to an initial article, published 2017, dealing with fine pottery finds discovered 2013-2014 campaigns. In what follows, we w...

excessive alveolar bone resorption is commonly found when teeth are extracted. this is a problem in anterior part of mouth because it will result in an unaesthetic pontic on a narrow hollowed out alveolar ridge. yet, another problem is gingival recession and root exposure in adjacent teeth which represent a therapeutic problem to the clinician. use of acellular dermal matrix graft is an appropr...

This article considers finds from the Scythian monuments of North Black Sea area that can be connected to local jewelry production 7th century end 4th BCE. I wish draw attention problem prolonged bias in this study. The prominence famous masterpieces by West Asian artisans (Lyta Mohyla and Kelermes Kurgans) Greco-Scythian goldwork Pontic kurgans (Chortomlyk, Solokha, Tovsta Mohyla, etc.) invite...

The loss of anterior teeth can be hurtful to the patient both psychologically and socially. As the children are becoming more aware these days, they have also become conscious about their looks. Early loss of deciduous anterior teeth has a psychological effect on many children. In such young patients, paper replacement of the teeth can minimize these concerns. Many approaches have been describe...