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  • 1970-1974  (3)
  • 1
    Electronic Resource
    Electronic Resource
    A western Scottish population of the leopard-spotted goby, Thorogobius ephippiatus (Lowe) (Teleostei: Gobioidea) (1973)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 5 (1973), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: A population of the sublittoral leopard-spotted goby, Thorogobius ephippiatus (Lowe, 1839), is recorded from Upper Loch Torridon, Scotland, and the more northerly occurrence of this Mediterranean-Atlantic species along western Scottish coasts confirmed. Modified methods of capture are described. Distinctive systematic features of this population, which tends to have low sensory papilla and pectoral ray values, are examined with reference to other T. ephippiatus and the related T. macrolepis (Kolombatovic, 1891). The time of onset and reasons for this local differentiation are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1973.tb04452.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Reactions of fish to sound generated by divers' open-circuit underwater breathing apparatus (1974)
    Springer
    Marine biology 27 (1974), S. 357-366 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Observations were made on the influence of underwater divers on the behaviour of fish in Loch Torridon, on the west coast of Scotland. An electronically scanned sonar and a television camera were used to record the behaviour of 4 species common in the loch. These were the cod Gadus morhua (L), the saithe Pollachius virens (L), the pollack P. pollachius (L) and the common dab Limanda limanda (L). These fish were attracted to divers and to a sound source when the recorded noise from an aqualung and demand valve was transmitted into the water. By analysis and by testing different components of the noise it was shown that low frequencies between 30 and 110 Hz, generated by the release of exhaled air, were responsible for the attraction. It is suggested that the fish associated this noise with the presence of food organisms disturbed from the sea bed by the diver and that they had become conditioned to the noise over a period of time.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00394372
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A model of the magnetospheric substorm (1974)
    [s.l.] : Nature Publishing Group
    Nature 250 (1974), S. 552-553 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The main features of the model are that the plasma sheet is formed on closed field lines and moves inward during the growth phase; the magnetic field line reconnection across the neutral sheet occurs on the lobe field lines, is essentially continuous but is not directly responsible for the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/250552a0
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    Paper (German National Licenses)
    Fulltext
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