1. The fish fauna changes and the place of clupeids in Lake Kainji, Nigeria

   • Fidelis O. Otobo

   OriginalPaper 01 June 1979 Pages: 99 - 103

2. Seasonal succession, standing crop and determinants of primary productivity of the phytoplankton of Ministik Lake, Alberta, Canada

   • Michael Hickman

   OriginalPaper 01 June 1979 Pages: 105 - 121

3. The midsummer crustacean plankton communities of seven small impoundments

   • Anthony J. Janicki
   • John Decosta
   • James Davis

   OriginalPaper 01 June 1979 Pages: 123 - 129

4. Changes in fish species composition in Lake Naivasha, Kenya

   • Abdul Q. Siddiqui

   OriginalPaper 01 June 1979 Pages: 131 - 138

5. The dry weight estimate of chaoborus flavicans (Meigen) as a function of length and instars

   • Henri J. Dumont
   • Gérard Balvay

   OriginalPaper 01 June 1979 Pages: 139 - 145

6. Growth and population structure of Salamandra salamandra (L.) larvae in different limnological conditions

   • M. R. Warburg
   • G. Degani
   • I. Warburg

   OriginalPaper 01 June 1979 Pages: 147 - 155

7. Estimating the hazard of chemical substances to aquatic life

   • John Cairns Jr.
   • Kenneth L. Dickson
   • Alan W. Maki

   OriginalPaper 01 June 1979 Pages: 157 - 166

8. Communities of Chironomid larvae in the Velika Morava river

   • M. J. Janković

   OriginalPaper 01 June 1979 Pages: 167 - 173

9. Freeze-dried hydrocarbon-utilizing yeasts for possible use in artificial seeding of oil spills

   • Shung-Chang Jong
   • Jean Roxon
   • Frank Simione Jr.

   OriginalPaper 01 June 1979 Pages: 175 - 178

10. Some factors affecting distribution and related morphology variations in Balanus Balanoides (L.) (Cirripedia, Thoracica).

    • Paul D. Bell

    OriginalPaper 01 June 1979 Pages: 179 - 182

11. Water quality, substrate, and distribution of macroinvertebrates in the Patuxent River, Maryland

    • Michael A. Ruggiero
    • Henry C. Merchant

    OriginalPaper 01 June 1979 Pages: 183 - 189

12. Libri Novi

    BookReview 01 June 1979 Pages: 191 - 192