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Oceanological and Hydrobiological Studies
EN The spatio-temporal variability of mesozooplankton in the Gulf of Gdańsk was studied using samples collected in the western part of this basin every month in the 1999-2000 period. The investigation indicated that the qualitative composition of zooplankton was typical of this area and was comprised o[...]
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Oceanological Studies
EN Owing to their large numbers, small Calanoida from the Pseudocalanidae family constitute a significant element of zooplankton in seas and oceans. In Croker Passage, which is in the coastal zone of the Antarctic Peninsula, this family is represented by Microcalanus pygmaeus and Ctenocalanus citer. Th[...]
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Oceanological and Hydrobiological Studies
2015 Vol. 44, No. 4 466--479
EN Marginal seas of the Arctic Ocean are well recognized as one of the richest ecosystems in the world’s ocean, being at the same time the most vulnerable to climate change. Such vulnerability affects the distribution of water masses, thus influences the pelagic species dispersal and local diversity. F[...]
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Oceanological Studies
EN Seasonal and short-term variability of zooplankton taxonomic composition in the shallow coastal area of the Gulf of Gdansk was reconstructed from analyses of material collected at weekly intervals between March 1998 and March 1999, using a Kopenhagen net with a 50 ľm-mesh size. Water temperature was[...]
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Oceanologia
2000 No. 42 (3) 335-357
EN The aim of this paper is to determine the current biological state of life in the pelagic zone of the Gulf of Gdansk in relation to the planned start-up of an underwater outfall which will discharge sewage from the Gdansk-Wschod (Gdansk-East) sewage treatment plant. The plankton material was collect[...]
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Oceanologia
2000 No. 42 (3) 371-374
EN Cercopagis pengoi, a species native to the Ponto-Caspian area, was recorded for the first time in the Baltic Sea in the Gulf of Riga and in the open Gulf of Finland in 1992. Sampling in the shallow coastal area of the western part of the Gulf of Gdansk at weekly intervals between April 1999 and Apri[...]
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Oceanologia
2000 No. 42 (1) 89-103
EN The development of two representatives of Pseudocalanidae and the nature of their population distribution in the water column were investigated on the basis of plankton samples collected over three seasons in night-day series in Croker Passage. The investigations showed that the two species begin re[...]
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Oceanologia
2009 No. 51 (2) 185-201
EN The paper describes the modelling of egg production in Acartia spp. under changing environmental conditions in the southern Baltic Sea (Gdańsk Deep). The hypothesis (Sekiguchi et al. 1980) that the food-saturated rate of egg matter production is equivalent to specific growth rate of copepods is appl[...]
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Oceanologia
2009 No. 51 (2) 165-184
EN The copepod model (see Dzierzbicka-Głowacka 2005b), reduced to a zero-dimensional population model (Fennel 2001, Stegert et al. 2007), is calibrated for Acartia spp. under the environmental conditions typical of the southern Baltic Sea. Most of the coefficients used in the model are taken from the l[...]
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Oceanologia
2013 No. 55 (2) 409-434
EN The paper characterizes the population dynamics of the major Baltic calanoid copepod species (Acartia spp., Temora longicornis and Pseudocalanus sp.) in the Gulf of Gdańsk (southern Baltic Sea) from January 2006 to December 2007. The data were collected at six stations (M2, S1, S2, S3, S4, J23) loca[...]
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Oceanological and Hydrobiological Studies
EN Over the last 20 years, more and more reliable data concerning global climate change, mainly climate warming, have become available in the literature. Change such as this has also been documented in the Gulf of Gdańsk. Climate change has an influence on aquatic ecosystems and especially their biocoe[...]
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Oceanologia
2015 No. 57 (1) 78--85
EN This manuscript is a continuation of the results presented in the earlier work by Dzierzbicka-Głowacka et al. (2013). Major purpose of this study is to characterize population dynamics of three major Baltic calanoid copepod species (Acartia spp., Temora longicornis and Pseudocalanus sp.) in the Gulf[...]
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Oceanological and Hydrobiological Studies
2016 Vol. 45, No. 2 159--171
EN The aim of this study was to describe the production biomass and abundance dynamics of the major Baltic calanoid copepods (Acartia spp., Temora longicornis and Pseudocalanus sp.) in the Gulf of Gdańsk (the southern Baltic Sea) during a three-year period from March 2010 to December 2012. the data wer[...]
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