The distribution of organic and mineral components in leaves and stems of Ranunculus fluitans Lam. Georg A. Janauer OriginalPaper 01 June 1981 Pages: 193 - 204
Food and predation as major factors limiting two natural populations of Daphnia cucullata Sars Z. Maciej GliwiczAleksiej GhilarovJoanna Pijanowska OriginalPaper 01 June 1981 Pages: 205 - 218
Drift of ostracod crustaceans in adjacent intermittent and permanent streams Reginald VictorKenneth W. DanceH. B. N. Hynes OriginalPaper 01 June 1981 Pages: 219 - 223
Estimating thermal properties of simulated aquatic soils from their composition T. GillespieH. M. DaleD. Wordsworth OriginalPaper 01 June 1981 Pages: 225 - 230
Chrysophyceae from freshwater localities near Nijmegen, The Netherlands. II. R. M. M. RoijackersH. Kessels OriginalPaper 01 June 1981 Pages: 231 - 239
The specialized diet of Harpagifer bispinis: William E. DuarteCarlos A. Moreno OriginalPaper 01 June 1981 Pages: 241 - 250
Interactions potentially affecting the seasonal abundance of selected aquatic invertebrates in a rice field habitat Frank G. Zalom OriginalPaper 01 June 1981 Pages: 251 - 255
Allochthonous plant litter as a source of organic material in an oligotrophic lake (Llyn Frongoch) R. D. G. Hanlon OriginalPaper 01 June 1981 Pages: 257 - 261
Estimating the biomass of freshwater mussels (Bivalvia: Unionidae) from shell dimensions Charles G. Golightly Jr.Robert J. Kosinski OriginalPaper 01 June 1981 Pages: 263 - 267
On the algal ecology of the lowland Iraqi marshes B. K. MauloodG. C. F. HintonH. A. Al-Saadi OriginalPaper 01 June 1981 Pages: 269 - 276
Hormonal control of egg-laying in the marine pulmonate, Onchidium verruculatum R. NagabhushanamU. D. DeshpandeM. M. Hanumante OriginalPaper 01 June 1981 Pages: 277 - 281
