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  • Daphnia  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Hydrobiologia 127 (1985), S. 253-256 
    ISSN: 1573-5117
    Keywords: Vertical migration ; Daphnia ; shallow rock-pools
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We report diurnal changes in vertical distribution of Daphnia longispina and D. magna in shallow (25–60 cm) rock-pools on Baltic islands, southern Finland. During the daytime shallow rock-pool Daphnia reside in water layers close to the sediment while at midnight they either are evenly distributed throughout the water column, or have a modal peak of distribution in the surface water. Contrary to this pattern, no changes were observed in vertical distribution of D. longispina at noon and at midnight in a 150 cm deep pond. We suggest that the pattern of Daphina vertical migration in shallow rock-pools is not satisfactorily explained by predation.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Hydrobiologia 127 (1985), S. 253-256 
    ISSN: 1573-5117
    Keywords: Vertical migration ; Daphnia ; shallow rock-pools
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We report diurnal changes in vertical distribution ofDaphnia longispina andD. magna in shallow (25–60 cm) rock-pools on Baltic islands, southern Finland. During the daytime shallow rock-poolDaphnia reside in water layers close to the sediment while at midnight they either are evenly distributed throughout the water column, or have a modal peak of distribution in the surface water. Contrary to this pattern, no changes were observed in vertical distribution ofD. longispina at noon and at midnight in a 150 cm deep pond. We suggest that the pattern ofDaphina vertical migration in shallow rock-pools is not satisfactorily explained by predation.
    Type of Medium: Electronic Resource
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
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