1. Seasonal fluctuation of planktonic rotifers in Azibo reservoir (Portugal)

   • Vitor Manuel Vasconcelos

   OriginalPaper Pages: 177 - 184

2. Effects of land use on water quality and aquatic biota of three North Carolina Piedmont streams

   • David R. Lenat
   • J. Kent Crawford

   OriginalPaper Pages: 185 - 199

3. Studies of Australian cladoceran fauna: 1. The male and parthenogenetic female of Daphniopsis queenslandensis Sergeev, 1990 (Anomopoda: Daphniidae)

   • V. Sergeev

   OriginalPaper Pages: 201 - 206

4. Effects of river sediment elutriates on Daphnia magna

   • Ilkka Kortelainen

   OriginalPaper Pages: 207 - 213

5. Sublethal malathion induced changes in the ovary of an air-breathing fish, Heteropneustes fossilis: a histological study

   • H. M. Dutta
   • A. Nath
   • J. S. Datta Munshi

   OriginalPaper Pages: 215 - 218

6. The effects of an abandoned roast yard on the fish and macroinvertebrate communities of surrounding beaver ponds

   • J. E. Rutherford
   • R. J. Mellow

   OriginalPaper Pages: 219 - 228

7. Ecological organization and succession during natural recolonization of a tropical pond

   • Daniel Guiral
   • Robert Arfi
   • Lucien Saint-Jean

   OriginalPaper Pages: 229 - 242

8. Fish diversity and community structure in two small tributaries of the Paraná River, Paraná State, Brazil

   • T. Penczak
   • A. A. Agostinho
   • E. K. Okada

   OriginalPaper Pages: 243 - 251

9. The relation between the feeding activity of wintering shovelers (Anas clypeata) and the horizontal distribution of zooplankton in Lake Teganuma, Japan

   • Takeshi Matsubara
   • Fumio Sugimori
   • Kanji Aoyama

   OriginalPaper Pages: 253 - 261

10. Volume 294 (1994), author index

    Legacy Pages: 263 - 264

11. Volume 294 (1994), volume contents

    Legacy Pages: 265 - 266