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Small-scale plankton patchiness in the Black Sea euphotic layer
Tokarev, Y.N.; Williams, R.; Piontkovski, S.A. (1998). Small-scale plankton patchiness in the Black Sea euphotic layer. Hydrobiologia 375: 363-367. https://dx.doi.org/10.1023/A:1017003410651
In: Hydrobiologia. Springer: The Hague. ISSN 0018-8158; e-ISSN 1573-5117, meer
Is gerelateerd aan:
Tokarev, Y.N.; Williams, R.; Piontkovski, S.A. (1998). Small-scale plankton patchiness in the Black Sea euphotic layer, in: Baden, S. et al. Recruitment, colonization, and physical-chemical forcing in marine biological systems: Proceedings of the 32nd European Marine Biology Symposium, held in Lysekil, Sweden, 16-22 August 1997. Developments in Hydrobiology, 132: pp. 363-367. https://dx.doi.org/10.1007/978-94-017-2864-5_30, meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Aquatic communities > Plankton > Zooplankton
    Euphotic zone
    Luminescence > Bioluminescence
    MED, Black Sea
    Profiles > Vertical profiles
    Profiles > Vertical profiles > Temperature profiles
    Zwarte Zee [Marine Regions]
    Marien/Kust
Auteurs  Top 
  • Tokarev, Y.N.
  • Williams, R.
  • Piontkovski, S.A.
Abstract
    Small-scale horizontal heterogeneites or patches of bioluminescence intensity and sound volume back scattering strength (SVBS) were studied in the central part of the Black Sea in October, 1989. Bathyphotometric casts and measurements of SVBS, were taken every 3 minutes in the surface layer (0–20 m) over a period of several hours from a drifting vessel. Casts were accompanied by temperature profiles and zooplankton sampling. Measurements were carried out during the day and night periods. From adaptive spectral analysis it was shown that the horizontal dimensions of the bioluminescent and SVBS heterogeneities were between 75 to 1500 m and 20 to 443 m respectively. In the case of zooplankton biomass the dimensions were 85 to 818 m and 80 to 1800 m for the temperature field. Physical and dynamical factors dominate in the formation of small-scale spatial heterogeneity of the studied fields. Biological factors, such as diel vertical migrations, trophic interactions etc. will also contribute to the formation of patches at night.
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