Density-dependent predation ofChaoborus flavicans onDaphnia longispina in a small lake: the effect of prey size Piotr I. Krylov OriginalPaper Pages: 131 - 140
The concentration of cadmium, lead, copper and zinc inChironomus gr.thummi larvae (Diptera, Chironomidae) with deformedversus normal menta L. G. Janssens de BisthovenK. R. TimmermansF. Ollevier OriginalPaper Pages: 141 - 149
Branchinecta belki n. sp. (Branchiopoda: Anostraca), a new fairy shrimp from Mexico, hybridizing withB. packardi Pearse under laboratory conditions Alejandro M. Maeda-MartinezHortencia Obregon-BarbozaHenri J. Dumont OriginalPaper Pages: 151 - 162
Tropodiaptomus lateralis Kiefer, 1932 (Copepoda: Calanoida) in Oguta Lake, southeastern Nigeria Sibylle MaasChukwuemekanim S. NwadiaroHenri J. Dumont OriginalPaper Pages: 163 - 170
The effect of environmental factors on the nesting and courtship behaviour ofTilapia zillii in Lake Kinneret (Israel) M. N. BrutonMoshe Gophen OriginalPaper Pages: 171 - 178
Freeliving marine nematodes from East African coasts.Bathyepsilonema anulosum sp.n. andLeptepsilonema richardi sp.n. Dominick VerscheldeMagda Vincx OriginalPaper Pages: 179 - 186
Do intruding predators and trap position affect the reliability of catches in activity traps? Johan ElmbergPetri NummiKjell Sjöberg OriginalPaper Pages: 187 - 193