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Wyszukujesz frazę "sponge" wg kryterium: Temat

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    Wyświetlanie 1-3 z 3
    Tytuł:
    An eco-friendly strategy using flax/polylactide composite to tackle the marine invasive sponge Celtodoryx ciocalyptoides (Burton, 1935)
    Autorzy:
    Gentric, C.
    Sauleau, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/48062.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    artificial substance
    biocomposite
    Celtodoryx ciocalyptoides
    sponge
    polylactide
    flax
    ecofriendly management
    Yellow Sea
    China
    Źródło:
    Oceanologia; 2019, 61, 2
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Epibenthic diversity and productivity on a heavily trawled Barents Sea bank (Tromsoflaket)
    Autorzy:
    Kedra, M.
    Renaud, P.E.
    Andrade, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/49128.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    epibenthic diversity
    Barents Sea
    ecosystem
    benthic community
    secondary production
    epifaunal organism
    sponge
    trawled area
    Opis:
    Shallow Arctic banks have been observed to harbour rich communities of epifaunal organisms, but have not been well-studied with respect to composition or function due to sampling challenges. In order to determine how these banks function in the Barents Sea ecosystem, we used a combination of video and trawl/dredge sampling at several locations on a heavily trawled bank, Tromsøflaket — located at the southwestern entrance to the Barents Sea. We describe components of the benthic community, and calculate secondary production of dominant epifaunal organisms. Forty-six epibenthic taxa were identified, and sponges were a significant part of the surveyed benthic communities. There were differences in diversity and production among areas, mainly related to the intensity of trawling activities. Gamma was the most diverse and productive area, with highest species abundance and biomass. Trawled areas had considerably lower species numbers, and significant differences in epifaunal abundance and biomass were found between all trawled and untrawled areas. Trawling seems to have an impact on the sponge communities: mean individual poriferan biomass was higher in untrawled areas, and, although poriferans were observed in areas subjected to more intensive trawling, they were at least five times less frequent than in untrawled areas.
    Źródło:
    Oceanologia; 2017, 59, 2
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Temporal variations in coral reef health at a coastal industrial site on the Gulf of Aqaba, Red Sea
    Autorzy:
    Al-Zibdah, M.K.
    Damhoureyeh, S.A.
    Badran, M.I.
    Powiązania:
    https://bibliotekanauki.pl/articles/47429.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    Aqaba Gulf
    coral reef
    sponge
    hydrozoan
    macrobenthos
    echinoderm
    temporal variation
    coral
    macroalga
    bivalve
    Red Sea
    Opis:
    A detailed ecological study was conducted for three years (2001–03) on a 5 km stretch of well-developed coral reef facing an industrial site in the southernmost section of the Jordanian coast of the Gulf of Aqaba, Red Sea. The degree of modification associated with the prevailing ecological factors was assessed with respect to species diversity and abundance of the major groups of the macrobenthic community: corals, bivalves, hydrozoans, echinoderms, sponges and macroalgae. Three locations of two depths each – 6 and 12 m – were selected and surveyed using the visual census point-intercept method. The actual area of the survey covered about 2250 m2. Macrobenthic communities occurring close to the industrial jetty were characterized by low diversity and the obvious dominance of soft coral (16–30% cover). In the deep transects (12 m) hard coral cover was higher than that in the shallow transects (30–55%). Correlation analyses indicated that species richness increased with increasing distance from the industrial jetty. Species richness of other macrobenthos was also higher as depth increased. The results revealed that the distribution and abundance of coral, echinoderms, hydrozoans and macroalgae were correlated with the relative importance of bottom modification within the various locations in the entire study area. However, no distinct influence of location or depth on the identities of most macrobenthic species was indicated.
    Źródło:
    Oceanologia; 2007, 49, 4
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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