Beeckman, T.; Caemelbeke, K. (Ed.) (1998). Populations: Natural and manipulated, symposium organized by the Royal Society of Natural Sciences Dodonaea, University of Gent, 29 October 1997. Biologisch Jaarboek (Dodonaea), 65. Koninklijk Natuurwetenschappelijk Genootschap Dodonaea: Gent. 257 pp., more
A preliminary study on the psammobiontic Rotifera from a dune pool near the Belgian coast yielded several rare and insufficiently known species, i.e. Colurella salina Althaus, Encentrum villosum Harring & Myers and Lecane psammophila Wiszniewski. Brief taxonomic accounts are presented on these rare species and on Colurella gastracantha Hauer and Trichocerca taurocephala Hauer. Of the twenty-five morphotaxa recorded, nine are new to the Belgian fauna, a1l of which are psammobionts. Clearly, the rotifers inhabiting the psammon have not been studied sufficiently, and, consequently, their contribution to the species diversity in freshwater habitats is not recognised. The pelagic community of the studied dune pool is deteriorated by eutrophication, as evidenced by the blooming of blue-green algae and presence of indicative rotifer taxa. In addition, the area of available psammon habitat is reduced by the extension of a reed belt. However, the rotifer community inhabiting the psammon is still relatively rich, although effects of eutrophication are already evident. It is suggested that appropriate conservation measures are undertaken to preserve this peculiar habitat and its fauna.
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