Visbestandopnames op enkele wateren in het bekken van de Zeeschelde (2009): meting nulsituatie in het kader van de monitoring van het Sigmaplan
Breine, J.; Mertens, W.; Simoens, I.; Van Thuyne, G. (2010). Visbestandopnames op enkele wateren in het bekken van de Zeeschelde (2009): meting nulsituatie in het kader van de monitoring van het Sigmaplan. Rapporten van het Instituut voor Natuur- en Bosonderzoek, 2010(18). INBO: Brussel. 38 pp.
INBO researchers surveyed fish assemblages in several future flood control areas along the Zeeschelde estuary (Fig. 1, Table 1). Two survey periods were performed at 11 sites (117 surveys in toal). Fish assembvlages were assessed using electric fishing and fyke netting. Physical and chemical recordings showed that the 25% of the sites had a too low oxygen concentration. Some sites had no fish.In total 25 fish species were recorded. In the text fish results are explained for each area. In genral bitterling, stone moroko, Prucian carp, three-spined stickleback, roach and pumpkinseed dominate in numbers. The results indicate the presence of a diverse fish assemblage of mainly eurytopic and limnophilic species in some sites.
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