Reproductive activity of Mixodiaptomus laciniatus (Copepoda, Calanoida) in a high mountain lake (La Caldera, Granada, Spain) L. Cruz-Pizarro OriginalPaper Pages: 97 - 105
Diel variation in concentration, assimilation and respiration of dissolved free amino acids in relation to planktonic primary and secondary production in two eutrophic lakes Niels O. G. JorgensenMorten SondergaardBo Riemann OriginalPaper Pages: 107 - 122
Alteration in the zooplankton community of a fly ash treated lake David F. SpencerHung-Yiu YeungRichard W. Greene OriginalPaper Pages: 123 - 130
A study of summer mortality factors for natural populations of Chydoridae (Cladocera) James B. Williams OriginalPaper Pages: 131 - 139
Primary productivity of the River Ely, South Wales, U.K. Rahel T. EshoKathryn Benson-Evans OriginalPaper Pages: 141 - 153
Factors contributing to coexistence of Chaoborus flavicans and C. punctipennis (Diptera, Chaoboridae) in a small meromictic lake Lucy C. SardellaJohn C. H. Carter OriginalPaper Pages: 155 - 164
Bimodal diel dissolved oxygen curves and thermal stratification in polder ditches Kees Kersting OriginalPaper Pages: 165 - 168
Cycle de vie de Gammarus laticoxalis ssp. dans l'exsurgence Shtaura (Liban). Note sur Gammarus syriacus de Shamsine N. J. Alouf OriginalPaper Pages: 169 - 181
The aquatic drift patterns of black flies (Diptera: Simuliidae) Peter H. AdlerRobert W. LightKe Chung Kim OriginalPaper Pages: 183 - 191