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  • Data
  • Other Sources  (63)
  • Institut für Polarökologie Kiel  (42)
  • Oxford Univ. Press  (21)
  • 1990-1994  (63)
  • 1
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    Oxford Univ. Press
    In:  Oxford, Oxford Univ. Press, vol. 34, no. 1, pp. 65-66, (ISBN: 3-528-02574-3)
    Publication Date: 1990
    Keywords: Textbook of informatics ; FTN90 ; software ; compiler
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  • 2
    Publication Date: 2020-07-20
    Description: An investigation was carried out on larvae of the oceanic tropical squid Sthenoteuthis pteropus in the equatorial Atlantic (2°30′N–7°S;12°W –8°30′E) The age of the larvae was calculated from the statolith microstructure of 20 larvae; mortality was estimated from the size structure of 1128 larvae. The larval stage lasts 32–38 days. At ages ranging from 14 to 38 days. the daily relative growth rates of mantle length decrease from 7.5 to 2.8% day −1 and from 14–16 to 5.8% of body weight day −1 At age 12–24 days, mortality rates were estimated using both raw catch data and corrected data accounting for net avoidance. The mean value of raw mortality rates was 0.189, the corrected value was 0.158. During the proboscis division (transformation of the larva into juvenile) at age 25–35 days, a sharp decrease in larval growth rates and a simultaneous increase in mortality rates (raw 0.443, corrected 0.379) were observed.
    Type: Article , PeerReviewed
    Format: text
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  • 3
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    Institut für Polarökologie Kiel
    In:  Mitteilungen zur Kieler Polarforschung, 7 . pp. 39-42.
    Publication Date: 2017-05-16
    Type: Article , NonPeerReviewed
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  • 4
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    Institut für Polarökologie Kiel
    In:  Mitteilungen zur Kieler Polarforschung, 6 . pp. 26-27.
    Publication Date: 2017-05-09
    Type: Article , NonPeerReviewed
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  • 5
    Publication Date: 2020-12-23
    Type: Article , NonPeerReviewed
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  • 6
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    Institut für Polarökologie Kiel
    In:  Mitteilungen zur Kieler Polarforschung, 8 . pp. 28-31.
    Publication Date: 2017-09-11
    Description: Die Terra Nova Expedition (1910-1913) von Robert Falcon Scott wird bis heute überschattet von dem tragischen Ende des Vorstoßes zum Südpol, den Scott mit seinen vier Begleitern im Januar 1912 - einen Monat nach Amundsen - erreichte. Dabei gerat leicht in den Hintergrund, daß neben dem Vorstoß zum Pol umfangreiche wissenschaftliche Untersuchungen einen wichtigen Schwerpunkt der Expedition bildeten. So wurden zahlreiche meteorologische, geologische und biologische Untersuchungen und Erkundungen von mehreren, unabhängig voneinander operierenden, wissenschaftlichen Feldgruppen durchgeführt. Eine dieser Feldgruppen war die Western Geological Party', die im Sommer 1911/12 unter der Leitung des Geologen Griffith Taylor von Granite Harbour ausgebend, einem tiefen natürlichen Hafen auf 77°S, die Küste von Süd Victoria Land erkundete. Die Forschungsergebnisse mit Hinweisen auf eine außergewöhnlich reiche Vegetation wurden im Reisebericht der Terra Nova Expedition bereits 1913 veröffentlicht (TAYLOR 1913). Aufgrund seiner abgeschiedenen Lage ist dieses Gebiet seitdem jedoch nur sehr selten besucht worden und in Vergessenheit geraten, ast 1989 wurde die außergewöhnlich reiche Vegetation wiederentdeckt.
    Type: Article , NonPeerReviewed
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  • 7
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    Institut für Polarökologie Kiel
    In:  Mitteilungen zur Kieler Polarforschung, 9 . pp. 23-28.
    Publication Date: 2017-09-11
    Description: In der letzten Ausgabe der "Mitteilungen zur Kieler Polarforschung" habe ich über die Gefrierschutzproteine bei Pleuragramma antarcticum berichtet. Dabei habe ich unter anderem ein bislang unbekanntes Glykoprotein vorgestellt, welches nur bei dem antarktischen Silberfisch nachgewiesen werden konnte. Heute möchte ich auf die anderen Arten des Weddellmeeres und Lasarewmeeres eingehen, die ich im Rahmen meiner Promotion auf den Gefrierschutz hin untersucht habe ( WÖHRMANN & ZIMMERMANN 1992; WÖHRMANN 1993).
    Type: Article , NonPeerReviewed
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  • 8
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    Institut für Polarökologie Kiel
    In:  Mitteilungen zur Kieler Polarforschung (9). pp. 6-13.
    Publication Date: 2017-09-11
    Type: Article , NonPeerReviewed
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  • 9
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    Institut für Polarökologie Kiel
    In:  Mitteilungen zur Kieler Polarforschung (10). pp. 12-13.
    Publication Date: 2017-09-11
    Description: Die resultierende Kraft aus dem Kräftedreieck Fischerei. Fischereiforschung und Fischereiverwaltung soll die nachhaltige Nutzung mariner und limnischer Fischbestände sichern. Der Informationsfluß von der Forschung (Wissenschaft)über das Management (Politik) zur Administration (einschl. Kontrolle) soll die Fischerei nach wirtschaftlichen und populationsdynamischen Kriterien steuern. Da weltweit zahlreiche Fischbestände zusammengebrochen sind, stellt sich die Frage, warum das System versagt hat. Warum schaffen wir, die wir regeln wollen, keine Ordnung in der Fischerei?
    Type: Article , PeerReviewed
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  • 10
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    Oxford Univ. Press
    In:  ICES Journal of Marine Science, 49 (2). pp. 199-208.
    Publication Date: 2018-03-19
    Description: In 1988 and 1989 the occurrence of external diseases in fish from the German part of the Wadden Sea was quantified. Thirty-two stations, located along seven transects including four estuaries, were sampled monthly or at 3-month intervals with shrimp trawlers: more than 124 000 fish were studied. Six percent of the seven dominant fish species of 〉 12 cm length were diseased. In fish species which complete their life cycle in the Wadden Sea (gobies, hooknose, eelpout, sea scorpion) the total disease incidence was below 0.4%. In whiting, plaice and sole it was between 0.5 and 2.5%, while 6–8% of smelt, cod, eel, dab and flounder suffered from external lesions. The incidence of most diseases increased with increasing fish length. Similar geographical patterns in prevalence were observed for: (1) two types of skeletal deformities, (2) lymphocystis in dab and flounder, (3) papillomatosis in smelt and dab and (4) several infectious ulcerative diseases. Most of these ulcerative diseases of cod and flounder occurred on central estuarine stations, suggesting an impact of the relatively low, but greatly variable salinity on disease development. Buccal granulomatosis of smelt and papillomatosis of eels showed the highest incidence in the Elbe estuary as the most heavily polluted region of the Wadden Sea. A causal relationship between disease development and pollution, however, is not yet clear and requires experimental evidence. The disease types found are ranked into three priority groups regarding their indicator value for a pollution monitoring on the basis of fish diseases. There is evidence that the total disease load of fish in the Wadden Sea is higher than in other shallow coastal regions outside the North Sea. Little is known of the effects of these diseases on single fish and fish populations. “Yellow pest” of cod, which was recorded for the first time during this survey, and which occurred with an incidence of up to 14% in single estuarine samples, causes the most serious lesions and is supposed to be lethal. In total, however, the effects of a number of pathogenic parasites on fish survival is considered to be more serious than that of deformities and infectious diseases.
    Type: Article , PeerReviewed
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