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Olga Kocheshkova

Olga Kocheshkova
Atlantic Branch of P.P.Shirshov Institute of Oceanology RAS

PhD

About

19
Publications
4,633
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83
Citations
Citations since 2016
10 Research Items
60 Citations
201620172018201920202021202205101520
201620172018201920202021202205101520
201620172018201920202021202205101520
201620172018201920202021202205101520

Publications

Publications (19)
Article
Full-text available
Preliminary data on the state of biological communities after the technogenic transformation of the Pregolya riverbed in Kaliningrad are presented. In the summer 2019, significant changes in the species composition and structure of macrophyte communities were revealed: reed communities and several organic pollution-sensitive species disappeared; th...
Article
Full-text available
Приведены результаты мониторинга состояния биоценозов литорали западного побережья Куршского залива в весенне-летний период 2018 г. По показателям фитопланктона (биомасса>10 г/м3) прибрежная зона имела гиперэвтрофный статус, доминировали цианобактерия Planktothrix agardhii (май) и диатомовая Actinocyclus normanii (май, июль). Микроцистины обнаружен...
Research
Full-text available
03.02.04-зоология АВТОРЕФЕРАТ диссертации на соискание ученой степени кандидата биологических наук Санкт-Петербург-2017
Book
Биологические сообщества реки Преголя (бассейн Вислинского залива, Балтийское море). – Е.Е. Ежова, ред. –Калининград: изд-во «Смартбукс», 2013 – 246 с.: ил. В коллективной монографии обобщены данные гидробиологических исследований АО ИО РАН 1995–2013 гг. в реке Преголе, водосбор которой охватывает почти всю Калининградскую область, а речной сток я...
Article
The habitation of two closely related polychaete species of Marenzelleria genus in the Southeastern Baltic Sea is proved for the first time by a morphological approach. M. neglecta lives in the shallow, euthro-phic, oligohaline Vistula and Curonian lagoons. M. arctia dwells in relatively deep, mesothrophic and meso-haline marine waters down to the...
Article
Full-text available
Climatic changes and anthropogenic impact have resulted in numerous cases of introduction and range expansion of hydrobionts. In the late 20ᵗʰ century and in the early 21ˢᵗ century some species, previously not observed in the Vistula and Curonian lagoons (brackish waterbodies with well-developed port infrastructure and active navigation) were recor...
Article
Full-text available
С использованием морфологического подхода впервые констатируется обитание двух близкородственных видов полихет рода Marenzelleria в Юго-Восточной Балтике. M. neglecta обитает в мелководных, эвтрофных, олигогалинных Вислинском и Куршском заливах. M. arctia – в относительно глубоководных, мезотрофных, мезогалинных морских водах до глубин 70–80 м. Опи...
Article
Full-text available
Polychaete Marenzelleria neglecta feed as deposit-feeder in the Vistula Lagoon condition. Hediste diversicolor prefers to consume silt at experimental conditions, feed mostly on macrophytes in biotope with aquatic vegetation and filtered microalgae from near-bottom water layer in other condition. Our data confirm а high level of feeding plasticity...
Article
Full-text available
Climatic changes and anthropogenic impact have resulted in numerous cases of introduction and range expansion of hydrobionts. In the late 20th century and in the early 21st century some species, previously not observed in the Vistula and Curonian lagoons (brackish waterbodies with well-developed port infrastructure and active navigation) were recor...
Chapter
The analysis of composition, seasonal and interannual dynamics, and productivity of phytoplankton, zooplankton, and zoobenthos as well as detailed characteristic of aquatic flora of the Pregolya River are given. It is shown that the biota of anthropogenically transformed lower reach recovered partially during the 2000s.
Article
Full-text available
Benthic communities classified according to species diversity, abundance and composition of dominant complex were defined and mapped. Maps compiled represent the distribution of bottom sediment types, substrata, bathymetry and benthic communities in the pilot area. Combination of data on community distribution and several abiotic habitat features (...
Article
Full-text available
Benthic communities classified according to species diversity, abundance and composition of dominant complex were defined and mapped. Maps compiled represent the distribution of bottom sediment types, substrata, bathymetry and benthic communities in the pilot area. Combination of data on community distribution and several abiotic habitat features (...
Article
Full-text available
The total density of benthic organisms in the upper 10-cm horizon of sediments in the Vistula lagoon has decreased in 2 - 8-fold when the waves reach 4 mark of the Beaufort Wind Force Scale. A part of benthic organisms floats passively with re-suspended sediments in the water column, the other one migrates deeper into sediments. This fact should be...
Book
Full-text available
В коллективной монографии обобщены данные гидробиологических исследований АО ИО РАН 1995–2013 гг. в реке Преголе, водосбор которой охватывает почти всю Калининградскую область, а речной сток является важнейшим режимообразующим фактором для Вислинского залива Балтийского моря. Проанализированы основные антропогенные и природные факторы, определяющие...
Article
The southeastern Baltic Sea (SEB) is a part of an intracontinental shelf basin of the Atlantic Ocean, located within a large depression of the Baltic Shield and Russian plate of the East European Platform. The Baltic Sea underwent several stages of development, from a freshwater ice-lake to semi-enclosed brackish-water sea. Such development was a r...
Chapter
Full-text available
This book started as an idea at the GeoHab meeting held in Noumea, New Caledonia, in May 2007. We noticed that multibeam bathymetry maps of geomorphic features, sometimes shown as 3D fly-thru movies, followed by detailed sampling and photographic data (including underwater videos) illustrating the substrate conditions and associated biota was a con...
Chapter
Full-text available
Southeastern Bay of Biscay (Basque coast) seafloor characterization and benthic habitat mapping was carried out integrating data from multibeam echosounder, topographic and bathymetric LiDAR, video, and sediment and biological sampling ranging from the intertidal zone up to 100 m depth over 1,096 km 2. The area shows high geomorpho-logic diversity...
Chapter
The southeastern Baltic Sea (SEB) is a part of an intracontinental shelf basin of the Atlantic Ocean, located within a large depression of the Baltic Shield and Russian plate of the East European Platform. The Baltic Sea underwent several stages of development, from a freshwater ice-lake to semi-enclosed brackish-water sea. Such development was a r...
Article
The polychaetes Streblospio benedicti (Webster, 1879) and Manayunkia aestuarina (Bourne, 1883) have been recorded in the Vistula Lagoon of the Baltic Sea since the mid 1990s. The impact that salinity and the necrozooplankton (dead plankton) concentration in the near-bottom layer have on their distributional patterns was studied. The spatial distrib...

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