Water chemistry changes during artificial aeration of spruce Knob Lake, West Virginia James W. Labaugh OriginalPaper Pages: 201 - 216
The effect of zooplankton on phytoplankton productivity in the epilimnion of a subalpine lake Garth W. Redfield OriginalPaper Pages: 217 - 224
Some studies on the ecology of limnetic crustacean zooplankton in Lake Begnas and Rupa, Pokhara Valley, Nepal D. B. SwarC. H. Fernando OriginalPaper Pages: 235 - 245
Fresh water chytrids from varanasi (India). IV. Some polycentric forms R. DayalUsha Kiran OriginalPaper Pages: 247 - 249
Comparison of a few systems for the determination of saprobic and trophic degree on the basis of plankton data G. J. Van NulandJ. F. G. M. Meis OriginalPaper Pages: 251 - 256
An assessment of the meiobenthos from nine mountain lakes in Western Canada R. Stewart AndersonAnne-Marie De Henau OriginalPaper Pages: 257 - 264
Taxonomic notes on some freshwater Gastrotricha from West Bengal, India B. K. Sharma OriginalPaper Pages: 265 - 267
Thermoregulatory behavior of a tropical marine fish: Canthigaster jactator (Jenkins) Martha Elizabeth CasterlinWilliam Wallace Reynolds OriginalPaper Pages: 269 - 279
A chemical characterization of an algal inhibitor obtained from chlamydomonas Michael D. McCrackenRobert E. MiddaughRandall S. Middaugh OriginalPaper Pages: 271 - 276
Microplankton diversity indices as indicators of eutrophication in the northern adriatic sea Noelia RevelanteMalvern Gilmartin OriginalPaper Pages: 277 - 286