Vertical distribution of meiofauna and the efficiency of the Van Veen grab on sandy bottoms in lake Grevelingen (the Netherlands) C. HeipK. A. WillemsA. Goossens OriginalPaper Pages: 35 - 45
A permanent quadrat study of saltmarsh algal vegetation by means of mapping R. J. Van WijkP. J. G. Polderman OriginalPaper Pages: 46 - 52
A short note onLecane species (rotifera) found inUtricularia minor vegetation Pauline Vos-KelkC. Davids BriefCommunication Pages: 53 - 55
Salt tolerance, salt preference and blood sodium regulation inGammarus roeseli Gervais, 1835 (Crustacea: Amphipoda) Jaap Dorgelo OriginalPaper Pages: 56 - 61