Fish fauna and environments of the Pilcomayo-Paraguay basins in Formosa, Argentina Roberto C. MenniAmalia M. MiquelarenaLucila C. Protogino OriginalPaper Pages: 129 - 146
Snail and bivalve populations analysed in relation to physico-chemical quality of lakes in eastern France Jacques Mouthon OriginalPaper Pages: 147 - 156
A sediment suspension system for bioassays with small aquatic organisms Michelle J. Schmidt-DallmierGary J. AtchisonBrent C. Knights OriginalPaper Pages: 157 - 161
On species of the genus Lophocharis Ehrenberg, 1838 (Rotifera: Monogononta) from Uzbekistan Iskandar M. Mirabdullaev OriginalPaper Pages: 163 - 168
Larval morphology and range of three West Asiatic species of the genus Onychogomphus Selys, 1854. (Insecta: Odonata) Henri J. DumontAnatoli Y. HaritonovSergei N. Borisov OriginalPaper Pages: 169 - 177
Rotifera from north and northeast Anatolia (Turkey) Hendrik SegersNuray EmirJohn Mertens OriginalPaper Pages: 179 - 189