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  • Cambridge Univ. Pr.  (1)
  • Oxford Univ. Press  (1)
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    Changes in inferred spawning areas of Todarodes pacificus(Cephalopoda: Ommastrephidae) due to changing environmental conditions (2000)
    Oxford Univ. Press
    In:  ICES Journal of Marine Science, 57 (1). pp. 24-30.
    Details
    Publikationsdatum: 2021-06-25
    Beschreibung: Annual catches of Todarodes pacificus in Japan have gradually increased since the late 1980s. Paralarval abundances have also been higher since the late 1980s compared to the late 1970s and mid-1980s. Here is proposed a possible scenario for the recent stock increase based on changing environmental conditions. Based on trends in annual variations in stock and in larval abundances, catches are reviewed and potential spawning areas inferred, assuming that egg masses and hatchlings occur over the continental shelf at temperatures between 15 and 23°C. Changes are then inferred in the spawning areas during 1984–1995, based on GIS data. Since the late 1980s, the autumn and winter spawning areas in the Tsushima Strait and near the Goto Islands appear to have overlapped, and winter spawning sites seem to have expanded over the continental shelf and slope in the East China Sea.
    Materialart: Article , PeerReviewed
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
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    ARTIKEL (OCEANREP)
  • 2
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    Evidence of external digestion of crustaceans in Octopus vulgaris paralarvae (2000)
    Cambridge Univ. Pr.
    In:  Journal of the Marine Biological Association of the United Kingdom, 80 (3). pp. 559-560.
    Details
    Publikationsdatum: 2021-07-21
    Beschreibung: This paper reports, for the first time, the existence of external digestion of decapod larvae by the common octopus, Octopus vulgaris (Mollusca: Cephalopoda), paralarvae. Zoeae of three crab species were externally digested, leaving a whole and empty exoskeleton. The attack sequence on these prey is also described, and divided into the same three phases (attention, positioning and seizure) already known for Sepia hatchlings.
    Materialart: Article , PeerReviewed
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    ARTIKEL (OCEANREP)
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