"Presence, density and biomass data for ichtyofauna and epibenthos sampled in the discharge areas between 1976 and 1981 and comparison of these data with a coastal reference zone choosen in the Belgian Part of the North Sea. The data were digitized by VLIZ from the original report: Maertens, D. (1985). Vorderingsverslag betreffende de monitoring van de lozingsgebieden voor industriële afvalstoffen. Partim: biologisch monitoring onderzoek 1976-80. Rapport DUMP-I/MON/BIO/3/80. Rijksstation voor Zeevisserij: Oostende. 15 + annexes pp."