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Nematodes from wave-dominated sandy beaches: diversity, zonation patterns and testing of the isocommunities concept
Gheskiere, T.; Vincx, M.; Urban-Malinga, B.; Rossano, C.; Scapini, F.; Degraer, S. (2005). Nematodes from wave-dominated sandy beaches: diversity, zonation patterns and testing of the isocommunities concept, in: Gheskiere, T. Nematode assemblages from European sandy beaches: diversity, zonation patterns and tourist impacts = Nematodengemeenschappen van Europese zandstranden: diversiteit, zonatiepatronen en impacts van toerisme. pp. 43-64
In: Gheskiere, T. (2005). Nematode assemblages from European sandy beaches: diversity, zonation patterns and tourist impacts = Nematodengemeenschappen van Europese zandstranden: diversiteit, zonatiepatronen en impacts van toerisme. PhD Thesis. Universiteit Gent. Vakgroep Biologie, sectie Mariene Biologie: Gent. ISBN 90-9019-292-1. X, 161 pp.
Related to:
Gheskiere, T.; Vincx, M.; Urban-Malinga, B.; Rossano, C.; Scapini, F.; Degraer, S. (2005). Nematodes from wave-dominated sandy beaches: diversity, zonation patterns and testing of the isocommunities concept. Est., Coast. and Shelf Sci. 62(1-2): 365-375. dx.doi.org/10.1016/j.ecss.2004.09.024, more
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    Vlaams Instituut voor de Zee: Open access 272690 [ download pdf ]
Keywords
Author keywords
    free-living nematodes; diversity; taxonomic relatedness; isocommunities; sandy beach morphodynamics; Mediterranean; Baltic
Authors  Top 
  • Gheskiere, T.
  • Vincx, M.
  • Urban-Malinga, B.
  • Rossano, C.
  • Scapini, F.
  • Degraer, S.
Abstract
    Spatial patterns of nematode community structure from two geographically spaced intermediate, micro-tidal beaches (i.e. Mediterranean and Baltic) were investigated. Differences in the nematode assemblages were found to be significantly different and related to the morphodynamic characteristics of the studied zones (upper beach, swash/breakers and subtidal). Highest nematode densities and species diversities were recorded on the coarse-grained, more physically controlled, Italian beach in contrast to the more chemically controlled Polish beach. This is in contrast to the worldwide patterns of macrofaunal communities. As demonstrated by higher taxonomic distinctness measurements, upper beaches were found to harbour species from both the marine and terrestrial ecosystem and are considered to be important ecotones between these adjacent systems. The swash/breaker zones are characterised by the loss of distinctive species caused by the high water percolation in these zones. The concept of parallel ecological communities ‘isocommunities’ is only supported for the upper beach zones.
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