105 p. fig., tab. (NIOZ-rapport ; 1999-5) Presents data of the monitoring program of macrozoobenthos in the Dutch sector of the North Sea, a cooperation between the Ministry of Transport, Public Works and Water Management = Ministerie van Verkeer en Waterstaat, Rijkswaterstaat (RWS), National Institute for Coastal and Marine Management = Instituut voor Kust en Zee (RWS, RIKZ), Directorate North Sea = Directie Noordzee (RWS, NZ) and the Department of Marine Ecology (NIOZ) With ref. ISSN 09233210