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Wyszukujesz frazę "benthic macrofauna" wg kryterium: Temat

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Biocontamination of the Western Vistula Lagoon (South-Eastern Baltic Sea, Poland)
    Autorzy:
    Jablonska-Barna, I.
    Rychter, A.
    Kruk, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/48633.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    Vistula Lagoon
    zoobenthos
    aquatic ecosystem
    brackish water body
    Baltic Sea
    Polska
    biological contamination
    macrobenthos
    biodiversity
    alien species
    benthic macrofauna
    Źródło:
    Oceanologia; 2013, 55, 3
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effects of trophic conditions on benthic macrofauna in the vicinity of the River Swina mouth (Pomeranian Bay; Southern Baltic Sea)
    Autorzy:
    Maslowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/48788.pdf
    Data publikacji:
    2003
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    biomass
    nutrient
    chlorophyll a
    Pomeranian Bay
    benthic macrofauna
    Baltic Sea
    Swina River mouth
    trophic condition
    vicinity
    Opis:
    The export of phytal material from the eutrophic Szczecin Lagoon into the Pomeranian Bay creates excellent trophic conditions for the local benthic fauna in the vicinity of the mouth of the river Świna, where the bottom macrofauna is abundant but highly variable. The changes in the bottom macrofauna biomass of selected taxa, chlorophyll a and nutrient concentrations were tested for associations. The biomasses of selected taxa varied in significant concordance, which suggests that these changes have common causes. Despite the importance of trophic enrichment to faunal abundance, no relationships between faunal biomass and chlorophyll a concentration changes were established. The presence of organic matter enables macrofauna to attain a high biomass, but population fluctuations are controlled by numerous factors. The significant relationship between the changes in the annual average phosphate levels and chlorophyll a concentrations in the Szczecin Lagoon indicates the importance of this nutrient to primary production processes in the Lagoon and to the trophic conditions for benthic macrofauna in the vicinity of the Świna mouth.
    Źródło:
    Oceanologia; 2003, 45, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Natural and anthropogenic factors influencing abundance of the benthic macrofauna along the shelf and slope of the Gulf of Guinea, a large marine ecosystem off West Africa
    Autorzy:
    Pabis, K.
    Sobczyk, R.
    Sicinski, J.
    Ensrud, T.
    Serigstadt, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/47676.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    benthic macrofauna
    natural factor
    anthropogenic factor
    marine ecosystem
    Ghana
    West Africa
    Źródło:
    Oceanologia; 2020, 62, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Seasonal and annual changes in the macrozoobenthic populations of the Gulf of Gdańsk with respect to hypoxia and hydrogen sulphide
    Autorzy:
    Janas, U.
    Wocial, J.
    Szaniawska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/47993.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    benthic macrofauna
    macrozoobenthos
    Macoma balthica
    hypoxia
    annual change
    Gdansk Gulf
    hydrogen sulphide
    seasonal change
    Opis:
    This study was designed to investigate seasonal and annual changes in the benthic macrofauna in relation to changes in hydrogen sulphide concentration in the sediment and the oxygen content in the water column. Data were collected over a three-year period from 1994 to 1997. The benthic macrofauna inhabiting the sediments of the Gulf of Gdańsk, in which H2S is permanently present, consists mostly of species with a high tolerance to oxygen deficiency and the presence of H2S. These species are: Macoma balthica, Harmothoe sarsi, Nereis diversicolor, Saduria entomon and Halicryptus spinulosus, as well as Pontoporeia femorata and Corophium volutator, which are more sensitive to these factors. In 1996–1997 a decline in the abundance of almost all benthic species, and especially of the bivalve M. balthica at all the stations was observed in comparison to 1994–1995.
    Źródło:
    Oceanologia; 2004, 46, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The benthic macrofauna from the Lower Maastrichtian chalk of Kronsmoor (northern Germany, Saturn quarry): taxonomic outline and palaeoecologic implications
    Autorzy:
    Engelke, J.
    Esser, K. J. K.
    Linnert, C.
    Mutterlose, J.
    Wilmsen, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/139105.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Cretaceous
    maastrichtian
    Northern Germany
    benthic macrofauna
    taxonomy
    palaeoecology
    kreda
    mastrycht
    Niemcy Północne
    makrofauna denna
    taksonomia
    paleoekologia
    Opis:
    The benthic macroinvertebrates of the Lower Maastrichtian chalk of Saturn quarry at Kronsmoor (northern Germany)been studied taxonomically based on more than 1,000 specimens. Two successive benthic macrofossil assemblages were recognised: the lower interval in the upper part of the Kronsmoor Formation (Belemnella obtusa Zone) is characterized by low abundances of macroinvertebrates while the upper interval in the uppermost Kronsmoor and lowermost Hemmoor formations (lower to middle Belemnella sumensis Zone) shows a high macroinvertebrate abundance (eight times more than in the B. obtusa Zone) and a conspicuous dominance of brachiopods. The palaeoecological analysis of these two assemblages indicates the presence of eight different guilds, of which epifaunal suspension feeders (fixo-sessile and libero-sessile guilds), comprising approximately half of the trophic nucleus of the lower interval, increased to a dominant 86% in the upper interval, including a considerable proportion of rhynchonelliform brachiopods. It is tempting to relate this shift from the lower to the upper interval to an increase in nutrient supply and/or a shallowing of the depositional environment but further data including geochemical proxies are needed to fully understand the macrofossil distribution patterns in the Lower Maastrichtian of Kronsmoor.
    Źródło:
    Acta Geologica Polonica; 2016, 66, 4; 671-694
    0001-5709
    Pojawia się w:
    Acta Geologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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