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Horizontal and vertical distribution of meiofauna on sandy beaches of the North Sea (The Netherlands, Belgium, France) Kotwicki, L.; De Troch, M.; Urban-Malinga, B.; Gheskiere, T.; Wesawski, J.M. (2005). Horizontal and vertical distribution of meiofauna on sandy beaches of the North Sea (The Netherlands, Belgium, France). Helgol. Mar. Res. 59(4): 255-264. dx.doi.org/10.1007/s10152-005-0001-8 In: Helgoland Marine Research. Springer: Berlin; Heidelberg. ISSN 1438-387X; e-ISSN 1438-3888

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 72204 [ download pdf ]

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Trefwoorden

Aquatic communities > Benthos > Meiobenthos Distribution > Geographical distribution > Horizontal distribution Distribution > Geographical distribution > Vertical distribution Topographic features > Landforms > Coastal landforms > Beaches ANE, België [Marine Regions]; ANE, France [Marine Regions]; ANE, Nederland [Marine Regions]; ANE, Noordzee [Marine Regions] Marien/Kust

Author keywords

sandy beach; meiofauna; vertical and horizontal distribution; North Sea

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Auteurs		Top
Kotwicki, L. De Troch, M. Urban-Malinga, B.	Gheskiere, T. Wesawski, J.M.

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Abstract

Sandy intertidal zones were analysed for the presence of meiofauna. The material was collected on six macro-tidal sandy beaches along the North Sea (The Netherlands, France, Belgium), in order to analyse the vertical and horizontal meiofaunal distribution patterns. Eleven higher meiofauna taxa (one represented by larval stage—Copepoda nauplii) were recorded. The maximum total meiofauna abundance was observed on the Dutch beach (4,295±911 ind. 10 cm-2) in the Westerschelde estuary, while the lowest values (361±128 ind. 10 cm-2) were recorded in France at the Audresselles beach. Meiofauna of the different localities consisted mainly of nematodes, harpacticoids and turbellarians. Nematodes numerically dominated all sampled stations, comprising more than 45% of the total meiofauna density. Meiofauna was mainly concentrated at the sand surface with about 70% present in the uppermost 5 cm. Meiofauna occurred across the entire intertidal zone. A clear zonation pattern in the distribution of meiofauna taxa across the beaches was observed. The present work suggests that designation of exposed sandy beaches as physically controlled (McLachlan 1988) does not explain their biological variability.

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