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Visbestandopnames op enkele wateren in het bekken van de zeeschelde (2009): meting nulsituatie in het kader van de monitoring van het Sigmaplan

Research output: Book/ReportReports of Research Institute for Nature and ForestResearch

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Original languageDutch
PublisherInstituut voor Natuur- en Bosonderzoek
Number of pages38
Publication statusPublished - 2010

Publication series

NameRapporten van het Instituut voor Natuur- en Bosonderzoek
PublisherINBO: Brussel
No.INBO.R.2010.18

Abstract

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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EWI Biomedical sciences

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