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    Wyświetlanie 1-13 z 13
    Tytuł:
    The occurrence of parasites in cormorants prey fish from colony Katy Rybackie - Vistula Lagoon, Poland
    Autorzy:
    Wlasow, T.
    Gomulka, P.
    Martyniak, A.
    Hliwa, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/838089.pdf
    Data publikacji:
    1998
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    Katy Rybackie colony
    parasite
    zooplankton
    fish
    Polska
    Vistula Lagoon
    Cormorant
    fish community
    Źródło:
    Annals of Parasitology; 1998, 44, 3
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Antarctic neritic zooplankton community (Admiralty Bay, King George Island, South Shetland Islands)
    Autorzy:
    Kittel, Wojciech
    Siciński, Jacek
    Żmijewska, Maria I.
    Bielecka, Luiza
    Błachowiak-Samołyk, Katarzyna
    Powiązania:
    https://bibliotekanauki.pl/articles/2052409.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Antarctic
    Admiralty Bay
    diversity
    zooplankton
    Źródło:
    Polish Polar Research; 2001, 22, 1; 11-33
    0138-0338
    2081-8262
    Pojawia się w:
    Polish Polar Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of increasing uncontrolled recreation on the structure of plankton and macrophyte communities in the tunnel-valley lakes located in agricultural catchment area
    Autorzy:
    Kuczynska-Kippen, N
    Messyasz, B.
    Nagengast, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/878149.pdf
    Data publikacji:
    2003
    Wydawca:
    Uniwersytet Przyrodniczy w Poznaniu
    Tematy:
    zooplankton
    increasing eutrophication
    tunnel-valley lake
    blue-green alga
    macrophyte community
    plankton
    agricultural catchment
    phytoplankton
    hydrobiology
    catchment area
    eutrophication
    Opis:
    In the years 1993-1995 biological research was carried out on three lakes, which are situated in a typical agricultural catchment area, along the Gołaniecka River. The hydrobiological examination carried out in 1993 revealed a stable state of eutrophy on these lakes. At that time neither of the Bukowieckie lakes was used for recreation, while at the Kobyleckie lake there were a number of buildings, including private holiday homes and holiday camps. In 1995, the year finishing the examination, recreation housing began to develop at the Bukowieckie Du?e lake and also an acceleration of tourism was observed on the Kobyleckie lake. In the spring and summer of 2000 hydrobiological research was repeated in order to find out whether the changes in the neighbourhood of the lakes had affected the chemical condition of lake waters. Although the building area by the lakes was still unfinished, particular changes of many parameters of water were already observed. Negative effects of trophic status were noted in the decrease of the visibility of water, increase of the nutrients concentration, in the outstanding blue-green algae character of the spring phytoplankton (Aphanizomenon issatschenkoi (Ussac.) Proschkina-Lavrenko; Planktothrix agardhii (Gom.) Anagn. et Kom.; Limnothrix redekei (Van Goor) Meffert) and zooplankton (Keratella cochlearis f. tecta (Lauterborn), K. quadrata (O.F. Müller), Anuraeopsis fissa (Gosse), Bosmina longirostris (O.F. Müller) and Chydorus sphaericus (O.F. Müller)), the increase of the total densities of zooplankton with the dominance of rotifers, the impoverishment of the phytolittoral, as well as quality and quantity changes in the structure of macrophytes.
    W latach 1993-1995 przeprowadzono badania biologiczne na jeziorach: Bukowieckim Du- żym, Bukowieckim Małym i Kobyleckim, położonych w obrebie typowej zlewni rolniczej, wzdłuż Strugi Gołanieckiej. Badania hydrobiologiczne przeprowadzone w 1993 roku swiadczyły o stabilnym stanie eutrofii w tych jeziorach. W tym czasie ?adne z jezior Bukowieckich nie było wykorzystywane rekreacyjnie, podczas gdy nad Jeziorem Kobyleckim wystepowała zabudowa obejmujaca domki letniskowe i kempingi. W 1995 roku, po zakonczeniu badan, rozpoczeła sie budowa domków rekreacyjnych nad Jeziorem Bukowieckim Dużym, zaobserwowano także wzrost rekreacji nad Jeziorem Kobyleckim. W okresie wiosennym i letnim 2000 roku powtórzono badania hydrobiologiczne w celu stwierdzenia, czy zmiany w sasiedztwie jezior miały wpływ na parametry chemiczne ich wód. Chocia? zabudowa nad jeziorami nie była jeszcze zakonczona, zaobserwowano zmiany kilku parametrów wody badanych jezior (tab. 2). Głównym celem przeprowadzonych badan był opis istotnych zmian jakosciowych i ilosciowych parametrów fizyczno-chemicznych i biologicznych, ze szczególnym odniesieniem do aspektów dotyczacych wzrostu poziomu trofii badanych zbiorników. Negatywne efekty w stanie trofii były zwiazane ze zmniejszajaca sie przezroczystoscia wody, wzrostem koncentracji biogenów, wybitnie sinicowym charakterem fitoplanktonu wiosennego (Aphanizomenon issatschenkoi (Ussac.) Proschkina-Lavrenko; Planktothrix agardhii (Gom.) Anagn. et Kom.; Limnothrix redekei (Van Goor) Meffert) i zooplanktonem (Keratella cochlearis f. tecta (Lauterborn), K. quadrata (O. F. Müller), Anuraeopsis fissa (Gosse), Bosmina longirostris (O.F. Müller) and Chydorus sphaericus (O.F. Müller)), wzrostem całkowitej liczebnosci zooplanktonu z dominacja wrotków (tab. 3, ryc. 1, 2), zniszczeniami w strefie fitolitoralu i zmianami jakosciowymi i ilosciowymi w strukturze makrofitów (tab. 4).
    Źródło:
    Roczniki Akademii Rolniczej w Poznaniu. Botanika; 2003, 06
    1508-9193
    Pojawia się w:
    Roczniki Akademii Rolniczej w Poznaniu. Botanika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zooplankton community structure; a comparison of fjords, open water and ice stations in the Svalbard area
    Autorzy:
    Walkusz, Wojciech
    Storemark, Katharina
    Skau, Torunn
    Gannefors, Charlotte
    Lundberg, Marte
    Powiązania:
    https://bibliotekanauki.pl/articles/2052080.pdf
    Data publikacji:
    2003
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Arctic
    Svalbard
    zooplankton
    Calanus
    fjords
    Źródło:
    Polish Polar Research; 2003, 24, 2; 149-165
    0138-0338
    2081-8262
    Pojawia się w:
    Polish Polar Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Factors describing the distribution of the zooplankton community in the Gulf of Finland in the context of interactions between native and introduced predatory cladocerans
    Autorzy:
    Pollumae, A.
    Kotta, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/48106.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    zooplankton
    temperature
    mesozooplankton
    Leptodora kindtii
    salinity
    phytoplankton
    distribution
    Cercopagis pengoi
    eutrophication
    Opis:
    Mesozooplankton communities were studied monthly at six sites in the Gulf of Finland during six ice-free seasons. The abundances of different zooplankton taxa were related to temperature, salinity, eutrophication level (total nitrogen and phosphorus), phytoplankton (Chl a) and density of predatory cladocerans, including the non-indigenous Cercopagis pengoi and the native Leptodora kindtii. T he results indicated that variability in the zooplankton communities was correlated not only with predation by mesozooplankton but also with bottom-up effects. Predation by the non-indigenous C. pengoi may significantly affect the dynamics of Cladocera and Rotatoria in the Gulf of Finland during the summer season.
    Źródło:
    Oceanologia; 2007, 49, 2
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Contrasting zooplankton communities (Arctic vs. Atlantic) in the European Arctic Marginal Ice Zone
    Autorzy:
    Blachowiak-Samolyk, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/47495.pdf
    Data publikacji:
    2008
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    zooplankton community
    Arctic water
    Fram Strait
    temperature
    Barents Sea
    Atlantic water
    salinity
    environmental factor
    Opis:
    Relationships between the zooplankton community andv arious environmental factors (salinity, temperature, sampling depth and bottom depth) were established in the European Arctic Marginal Ice Zone (MIZ) using multivariate statistics. Three main zooplankton communities were identified: an Atlantic Shallow Community (AtSC), an Arctic Shallow Community (ArSC) anda Deep Water Community (DWC). All species belonging to AtSC andArSC were pooledandtheir relative abundances in the total zooplankton calculated with respect to a particular layer (surface, midan dd eep strata), regions (the Barents Sea, Fram Strait andt he waters off northern Svalbard), years (1999 or 2003) and seasons (spring or autumn). Mapping of the proportions of Arctic andA tlantic species ledto the conclusion that zooplankton from the MIZs do not exactly follow complementary water masses, although the general pattern of AtSC and ArSC dominance accords with the physical oceanography of the study area (AtW and ArW respectively). The mid layer proved to be a better predictor of mesozooplankton distribution than the unstable conditions near the surface.
    Źródło:
    Oceanologia; 2008, 50, 3; 363-389
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Restructuring of a zooplankton community by perturbation from a wind-forced coastal jet
    Autorzy:
    Pedersen, O.-P.
    Tande, K.S.
    Li, C.
    Zhou, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/47789.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    zooplankton
    filament
    intrusion
    restructuring
    mesoscale
    perturbation
    coastal region
    Norway
    transient wind
    saline water
    equivalent spherical diameter
    Opis:
    The impact of transient wind events on an established zooplankton community was observed during a field survey in a coastal region off northern Norway in May 2002. A transient wind event induced a coastal jet/filament intrusion of warm, saline water into our survey area where a semi-permanent eddy was present. There was an abrupt change in zooplankton community structure within 4–7 days of the wind event, with a change in the size structure, an increase in lower size classes less than 1 mm in equivalent spherical diameter (ESD) and a decrease in larger size classes greater than 1.5 mm in ESD. The slope of zooplankton biovolume spectra changed from −0.6 to −0.8, consistent with the size shifting towards smaller size classes. This study shows that even well established zooplankton communities are susceptible to restructuring during transient wind events, and in particular when wind forcing induces horizontal currents or filaments.
    Źródło:
    Oceanologia; 2010, 52, 3; 473-497
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Short-term variation in zooplankton community from Daya Bay with outbreaks of Penilia avirostris
    Autorzy:
    Li, K.
    Yin, J.
    Tan, Y.
    Huang, L.
    Song, X.
    Powiązania:
    https://bibliotekanauki.pl/articles/47644.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    zooplankton
    Penilia avirostris
    outbreak
    short-term variability
    nuclear power plant
    temporal variation
    water temperature
    salinity
    chlorophyll a
    aquaculture area
    Daya Bay
    Źródło:
    Oceanologia; 2014, 56, 3
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Scale-dependent environmental control of mesozooplankton community structure in three aquaculture subtropical bays of China
    Autorzy:
    Sun, D.
    Liu, Z.
    Wang, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/48224.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    zooplankton
    aquaculture
    pollution effect
    multivariate analysis
    subtropical bay
    China
    Źródło:
    Oceanologia; 2016, 58, 2
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Short-term variation of zooplankton community in Cintra Bay (Northwest Africa)
    Autorzy:
    Berraho, A.
    Abdelouahab, H.
    Baibai, T.
    Charib, S.
    Larissi, J.
    Agouzouk, A.
    Makaoui, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/49175.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    zooplankton
    short-term variability
    copepod
    diversity index
    environment parameter
    spatial-temporal distribution
    Cintra Bay
    Africa
    Źródło:
    Oceanologia; 2019, 61, 3
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spatio-temporal distribution, abundance and diversity of zooplankton community structure in River Shasha, Southwestern Nigeria
    Autorzy:
    Adedeji, A. A.
    Adesakin, T. A.
    Oni, T. M.
    Oyebamiji, S. P.
    Olowogboyega, V. T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1076780.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Arthropoda
    Cladocera
    Copepoda
    Ostracoda
    Protozoa
    Rotifera
    Zooplankton
    environmental condition and monitoring
    eutrophication
    Opis:
    This study was carried-out to investigate the abundance and diversity of zooplankton in River Shasha, Southwest Nigeria. The zooplankton community constitutes an important component in the faunal composition of the water body. Samples were collected bi-monthly between February 2006 to February 2008, with a mind of capturing various seasons in the period of study, at two sampling stations (Ipetumodu and Edun-abon) established along River Shasha. A total number of 54 zooplankton species were identified, comprising of five classes, namely Rotifera (29 species), Ostracoda (8 species), Arthropoda (5 species), Copepoda (5 species), Protozoa (4 species) and Cladocera (3 species). The most abundant species were Brachionus, Lecane and Keratella recorded the highest distribution among the zooplankton observed during the sampling period. Among the Rotifers, Branchions patulus and Filina opoliensis were found abundant. Holopedium amazonicum and Scapholebris armata were predominant among the Cladoceras. Among the Copepods the dominant species was Ectocyclops phaleratus and Hemicypris ovate and Cypris subglobosa among Ostracoda. Among the Protozoa, Diffugia sp and Vorticella sp were observed. Ceratopogonid sp. was most dominant among Arthropoda. The density of zooplankton population was maximum during dry season (158702 Org/L) and minimum (12402 Org/L) during rainy season due to the different environmental conditions of the water bodies. The overall mean abundance of zooplankton population was in the following order: Rotifera > Protozoan > Arthropoda > Copepoda > Cladocera >Ostracoda. The few species of Zooplankton identified in River Shasha may reflect the moderate level of limit nutrient and there is need for regular monitoring of the waterbody to avoid the excess input of nutrients from domestic and agricultural waste that could lead to eutrophication.
    Źródło:
    World News of Natural Sciences; 2019, 24; 299-321
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A turning point in the development of phytoplankton in the Vistula Lagoon (Southern Baltic Sea) at the beginning of the 21st century
    Autorzy:
    Kownacka, J.
    Calkiewicz, J.
    Kornijow, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/2079096.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    phytoplankton community
    zooplankton
    multiannual change
    nutrient
    biomass
    Vistula Lagoon
    Southern Baltic Sea
    21st century
    Opis:
    Phytoplankton community structure was studied from 2002 to 2016 in the Vistula Lagoon (southern Baltic Sea) in the context of the 2010 shift in its population, as well as the reason for this shift and its environmental impact. This evident shift was indicated by Multidimensional Scaling at the Bray Curtis similarity level of 31%. Before 2010, the primary components of phytoplankton were Cyanobacteria (up to 98% of the biomass, October 2007) and Chlorophyta (40%, July 2002). After 2010, the contribution of Cyanobacteria considerably decreased, and the proportions of other phyla increased. The total phytoplankton biomass positively correlated with phosphorus, and Cyanobacteria biomass with silica. Evident changes were also observed in the seasonal dynamics of phytoplankton. Before 2010, the highest values of biomass occurred in autumn, and were related to high biomass of Cyanobacteria. Higher biomass has been recently reached in spring, during the dominance of Ochrophyta associated with Chlorophyta, Charophyta, and Cryptophyta. Generalised additive models showed a significant decreasing trend of the total phytoplankton biomass, Cyanobacteria, Chlorophyta, and flagellates, suggesting a decrease in eutrophication. This trend is concurrent with a considerable increase in the ratio of zooplankton to phytoplankton biomass since 2010. The increased ratio, however, did not result from elevated zooplankton biomass, but from the drop in phytoplankton biomass. Therefore, the most probable reason for the decrease in phytoplankton biomass was the simultaneous decrease in the concentration of all nutrients. The potential additional impact of filtration by a new alien bivalve Rangia cuneata G. B. Sowerby I, 1832 is also discussed.
    Źródło:
    Oceanologia; 2020, 62, 4PA; 538-555
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Unravelling the spatio-temporal variation of zooplankton community from the river Matla in the Sundarbans Estuarine System, India
    Autorzy:
    Nandy, T.
    Mandal, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/2079187.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    zooplankton
    Copepoda
    bioindicator
    spatio-temporal variability
    ecosystem functioning
    seasonal fluctuation
    estuarine water
    Indian Sundarban
    hydrographic change
    Opis:
    Zooplankton is an important bioindicator of ecosystem functioning. Knowledge of the seasonal fluctuation in the zooplankton population in estuarine waters of the Indian Sundarbans is rather limited. In the present study, we analysed the community structure of zooplankton assemblages and their spatio-temporal variations based on different multivariate statistics and indicator value analysis. A total of 56 taxa were identified and the density was primarily dominated by planktonic copepods and few meroplankton communities during four sampling seasons. The most abundant species were: Acartia spinicauda, Acartia sp., Bestiolina similis, Euterpina acutifrons, Labidocera acuta, Paracalanus aculeatus, Paracalanus parvus and Paracalanus indicus. Canonical Correspondence Analysis highlighted that temperature, pH, DO, salinity and nutrients were the prevailing environmental parameters associated with significant spatio-temporal changes of zooplankton distribution in this area. The highest abundance of zooplankton was recorded in winter, followed by monsoon, summer and spring. Throughout the study period, different zooplankton indices were observed in good condition. Seasonal occurrence of dominant zooplankton with high IndVal index was markedly observed and it might be used as a potential bioindicator for a particular season and environmental condition in this estuarine complex. The results of this study provide evidence for the presence of warm water species in the estuarine waters of the Indian Sundarbans and can be a clear indication of climate change-mediated elevated temperature in the estuarine system. Our results underscore the high diversity of zooplankton from mangrove dominated estuarine complex and emphasize the need for long-term monitoring in ecologically fragile ecosystems like the Sundarbans Estuarine System.
    Źródło:
    Oceanologia; 2020, 62, 3; 326-346
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-13 z 13

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