The spatial population structure of a harpacticoid copepod community in spring David C. Hockin OriginalPaper Pages: 201 - 209
Phytoplankton ecology of Loch Achray (Scotland) B. K. MauloodA. D. Boney OriginalPaper Pages: 211 - 216
Unusual diel pHs in water as related to aquatic vegetation Bruce G. HalsteadJerry C. Tash OriginalPaper Pages: 217 - 224
The effect on water chemistry and phytoplankton of artificial inflow of the River Radovna into Lake Bled (Yugoslavia) D. VrhovšekG. KosiM. Zupan OriginalPaper Pages: 225 - 242
Different life history strategies in lake-outlet blackflies (Diptera: Simuliidae) R. S. Wotton OriginalPaper Pages: 243 - 251
Periphyton growth and diatom community structure in a cooling water pond Pertti V. Eloranta OriginalPaper Pages: 253 - 265
G. O. Sars and the Norwegian Cladocera: a continuing frustration David G. Frey OriginalPaper Pages: 267 - 293