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Vertical distribution of meiofauna and the efficiency of the Van Veen grab on sandy bottoms in lake Grevelingen (the Netherlands)
Heip, C.H.R.; Willems, K.A.; Goossens, A. (1977). Vertical distribution of meiofauna and the efficiency of the Van Veen grab on sandy bottoms in lake Grevelingen (the Netherlands). Hydrobiol. Bull. 11(2): 35-45
In: Hydrobiological Bulletin. Netherlands Hydrobiological Society: Amsterdam. ISSN 0165-1404; e-ISSN 2214-708X, meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    ANE, Netherlands, Grevelingen L.
    Bottom sampling
    Distribution > Geographical distribution > Vertical distribution
    Meiofauna
    Grevelingenmeer [Marine Regions]
    Marien/Kust; Brak water
Auteurs  Top 
  • Heip, C.H.R., meer
  • Willems, K.A.
  • Goossens, A.
Abstract
    Comparison of density estimates of Nematoda and Harpacticoida obtained by a Van Veen grab and SCUBA diving from a sandy sediment in shallow water shows that Harpacticoida are sampled efficiently with the grab but Nematoda are not. For the Nematoda, total density is underestimated and the relative abundance of surface-dwellers is overestimated. Samples obtained with a Van Veen grab from which the material is collected in a bucket and subsampled afterwards have a much smaller statistical variability than samples obtained with other methods.
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