A. S. Semenova
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View article: ЭКОЛОГИЧЕСКАЯ ОЦЕНКА НЕКОТОРЫХ ОБВОДНЕННЫХ КАРЬЕРОВ КАЛИНИНГРАДСКОЙ ОБЛАСТИ ПО ГИДРОХИМИЧЕСКИМ И ГИДРОБИОЛОГИЧЕСКИМ ПОКАЗАТЕЛЯМ
ЭКОЛОГИЧЕСКАЯ ОЦЕНКА НЕКОТОРЫХ ОБВОДНЕННЫХ КАРЬЕРОВ КАЛИНИНГРАДСКОЙ ОБЛАСТИ ПО ГИДРОХИМИЧЕСКИМ И ГИДРОБИОЛОГИЧЕСКИМ ПОКАЗАТЕЛЯМ Open
The ecological state of several flooded quarries in the Kaliningrad Region was studied: Yantarny, the largest in area, formed as a result of filling the basin of a former amber quarry, as well as Berezovsky and Pushkarevsky, which were pre…
View article: Effectiveness and safety of empegfilgrastim (Extimia®) in patients with solid tumors receiving cytotoxic therapy: final results of the DEFENDOR study
Effectiveness and safety of empegfilgrastim (Extimia®) in patients with solid tumors receiving cytotoxic therapy: final results of the DEFENDOR study Open
Aim. To evaluate the effectiveness and safety of Extimia® (empegfilgrastim, JSC "BIOCAD") in reducing the frequency, duration of neutropenia, the incidence of febrile neutropenia (FN) and infections caused by FN in patients with solid tumo…
View article: Comparative analysis of the application of direct search algorithms for estimating values of parameters in ecosystems models for the Neva Bay and Vistula Lagoon of the Baltic Sea
Comparative analysis of the application of direct search algorithms for estimating values of parameters in ecosystems models for the Neva Bay and Vistula Lagoon of the Baltic Sea Open
The article presents a comparative analysis of the use of direct search algorithms to perform automatic tuning and assessment of parameter values for two models of nonstratified aquatic ecosystems: the Neva Bay (NB) and the Vistula Lagoon …
View article: Structure and dynamics of plankton communities in the coastal zone of the Curonian Lagoon of the Baltic Sea in 2017–2021 in the period of Cyanobacterial bloom
Structure and dynamics of plankton communities in the coastal zone of the Curonian Lagoon of the Baltic Sea in 2017–2021 in the period of Cyanobacterial bloom Open
The structure and dynamics of plankton communities in the coastal zone of the Curonian Lagoon of the Baltic Sea in January-December 2017–2021 was studied. It was found that at the coastal shallow littoral station surrounded by macrophytes …
View article: Spatial and temporal variability of mesozooplankton in the Baltic Sea
Spatial and temporal variability of mesozooplankton in the Baltic Sea Open
No abstracts are to be cited without prior reference to the author.Spatiotemporal patchiness of plankton, and the adequate sampling strategy to capture the short-scaleheterogeneity of the plankton, are crucial for the climate change resear…
View article: Plankton communities of the “Pregolya River – Vistula Lagoon – Kaliningrad Sea Channel (KSC) – Baltic Sea system”
Plankton communities of the “Pregolya River – Vistula Lagoon – Kaliningrad Sea Channel (KSC) – Baltic Sea system” Open
The species composition, abundance and biomass, trophic relationships of phytoplankton and zooplankton, as well as the proportion of dead individuals in zooplankton were studied in the water system "Pregolya River – Kaliningrad Sea Channel…
View article: The First Record of <i>Acanthocyclops trajani</i> (Copepoda, Cyclopidae) in the Vistula Lagoon of the Baltic Sea
The First Record of <i>Acanthocyclops trajani</i> (Copepoda, Cyclopidae) in the Vistula Lagoon of the Baltic Sea Open
In 2021 Acanthocyclops trajani Mirabdullayev et Defaye, 2002, was first record in the Vistula Lagoon of the Baltic Sea. This species quickly spread throughout the water area of the Lagoon. In summer, A. trajani reached its maximum developm…
View article: WATER EUTROPHICATION AND ZOOPLANKTON DISTRIBUTION IN THE BALTIC SEA UNDER ABNORMAL WARMING CONDITIONS IN SUMMER OF 2021
WATER EUTROPHICATION AND ZOOPLANKTON DISTRIBUTION IN THE BALTIC SEA UNDER ABNORMAL WARMING CONDITIONS IN SUMMER OF 2021 Open
Data on the structure, abundance and spatial distribution of plankton were obtained for the Russian water area in the south-eastern part, as well as in the central part of the Baltic Sea, during the period of abnormally warm climatic condi…
View article: PLANKTONIC AND BENTHIC COMMUNITIES OF THE SOUTHEASTERN PART OF THE BALTIC SEA IN THE SUMMER PERIOD 2018–2019
PLANKTONIC AND BENTHIC COMMUNITIES OF THE SOUTHEASTERN PART OF THE BALTIC SEA IN THE SUMMER PERIOD 2018–2019 Open
During the expeditions in July 2018 and 2019 data were obtained on the state of summer plankton and benthos over the entire Russian water area in the southeastern part of the Baltic Sea. The highest abundance of phytoplankton (in terms of …
View article: Reactions of pentaphenyl- and penta(para-tolyl)antimony with fumaric acid
Reactions of pentaphenyl- and penta(para-tolyl)antimony with fumaric acid Open
The interaction of pentaphenylantimony with fumaric acid in benzene (24 h, 24 С, molar ratio 4:3) gave a solvate with benzene Ph4SbOC(O)CH=CHC(O)OSbPh4 ∙ 2Ph4SbOC(O)CH=CHC(O)H ∙ 3PhH (1). At a molar ratio of the initial reagents of 2:1, t…
View article: Исследование метрологических характеристик системы визуализации структуры биотканей в пространственно-модулированном излучении
Исследование метрологических характеристик системы визуализации структуры биотканей в пространственно-модулированном излучении Open
The work is devoted to the study of the measurement accuracy of the spatial frequency domain imaging system for the detection and objective numerical evaluation of optical inhomogeneities in biological tissues. As a result of the initial s…
View article: Seasonal Variability of Plankton Production Parameters as the Basis for the Formation of Organic Matter Flow in the Southeastern Part of the Baltic Sea
Seasonal Variability of Plankton Production Parameters as the Basis for the Formation of Organic Matter Flow in the Southeastern Part of the Baltic Sea Open
The seasonal dynamics of production processes in the Baltic Sea are poorly studied. The aim of our research was to study the seasonal features of primary productivity (including the balance with bacterial production) and its redistribution…
View article: Eudiaptomus transylvanicus and E. vulgaris (Copepoda: Calanoida: Diaptomidae): comparative morphology, distribution and ecology
Eudiaptomus transylvanicus and E. vulgaris (Copepoda: Calanoida: Diaptomidae): comparative morphology, distribution and ecology Open
Two closely related, difficult to diagnose calanoid copepod species, Eudiaptomus transylvanicus (Daday, 1891) and E. vulgaris (Schmeil, 1898), were studied based on the new material from the Sura River floodplain (the Middle Volga region, …
View article: Functional shifts in estuarine zooplankton in response to climate variability
Functional shifts in estuarine zooplankton in response to climate variability Open
Functional traits are becoming more common in the analysis of marine zooplankton community dynamics associated with environmental change. We used zooplankton groups with common functional properties to assess long‐term trends in the zoopla…
View article: The results of integrated monitoring of the Pravdinsk reservoir (Kaliningrad region)
The results of integrated monitoring of the Pravdinsk reservoir (Kaliningrad region) Open
As a result of a study of the Pravdinsk reservoir, it was found that the radiation situ ation can be estimated as safe. According to microbiological indicators, the water quality was assessed as polluted with , -mesosaprobic, 34 classes of…
View article: Influence of blooming of Cyanobacteria in the Curonian lagoon on plankton test organisms
Influence of blooming of Cyanobacteria in the Curonian lagoon on plankton test organisms Open
In 2017-2019 in the coastal zone of the Curonian lagoon, investigation of phytoplankton and zooplankton was carried out, as well as the effect of water from the Curonian lagoon on the survival and fertility of the test organisms Daphnia ma…
View article: Biological diversity of plankton communities in the south-east of the Baltic Sea
Biological diversity of plankton communities in the south-east of the Baltic Sea Open
In this investigation, we used the data on hydrobiological and hydrochemical observations (phyto- and zooplankton, nutrients), which were obtained from the monthly (AprilOctober) research cruises in the Baltic Sea and its lagoons (Curonian…
View article: Investigation of the relationships of the size and production characteristics of phyto- and zooplankton in the Vistula and Curonian lagoons of the Baltic Sea. Part 1. The statistical analysis of long-term observation data and development of the structure for the mathematical model of the plankton food chain
Investigation of the relationships of the size and production characteristics of phyto- and zooplankton in the Vistula and Curonian lagoons of the Baltic Sea. Part 1. The statistical analysis of long-term observation data and development of the structure for the mathematical model of the plankton food chain Open
In the paper the statistical relationships between the size and production characteristics of phytoplankton and zooplankton of the Vistula and Curonian lagoons, the Baltic Sea, were investigated. Research phytoplankton and zooplankton with…
View article: Ethnographic works of Kawahara Keiga: agriculture, fishing and hunting
Ethnographic works of Kawahara Keiga: agriculture, fishing and hunting Open
This article is devoted to research of some ethnographical pictures of the Japanese artist Kawahara
\nKeiga. Keiga was an artist of the Nagasaki art school. He learned European art technique and his works
\ncombine features of Japanese and…
View article: Spatial and temporal variability of zooplankton in a temperate semi-enclosed sea: implications for monitoring design and long-term studies
Spatial and temporal variability of zooplankton in a temperate semi-enclosed sea: implications for monitoring design and long-term studies Open
Spatiotemporal patchiness of plankton and appropriate sampling strategy are crucial considerations for long-term studies of plankton dynamics, determining the confidence with which statistically significant ecological changes will be detec…