1. Contribution to high altitude limnology of the Himalayan system I. Limnology and primary productivity of the plankton community of Nilnag Lake, Kashmir

   • M. A. Khan
   • D. P. Zutshi

   OriginalPaper 01 October 1980 Pages: 103 - 112

2. A simplified technique to measure respiration rates of aerobic heterotrophic populations

   • Jorma Kuparinen
   • Antti Uusi-Rauva

   OriginalPaper 01 October 1980 Pages: 113 - 115

3. Cadmium toxicity in fishes

   • Kamal K. Das
   • Sudip K. Banerjee

   OriginalPaper 01 October 1980 Pages: 117 - 121

4. Cannibalistic phenomena in salamandra salamandra larvae in certain water bodies and under experimental conditions

   • G. Degani
   • Shoshana Goldenberg
   • M. R. Warburg

   OriginalPaper 01 October 1980 Pages: 123 - 128

5. Phytoplankton distributions observed during a % MathType!MTEF!2!1!+-% feaafiart1ev1aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn% hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr% 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9% vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x% fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaG4mamaali% aabaGaaGymaaqaaiaaikdaaaaaaa!3833!\[3{\raise0.7ex\hbox{$1$} \!\mathord{\left/ {\vphantom {1 2}}\right.\kern-\nulldelimiterspace}\!\lower0.7ex\hbox{$2$}}\] days fixed-station in the lower St. Lawrence Estuary

   • Michael Sinclair
   • Jean Pierre Chanut
   • Mohammed El-Sabh

   OriginalPaper 01 October 1980 Pages: 129 - 147

6. Studies on the abundance, biomass and vertical distribution of larvae and pupae of black flies (Simuliidae, Diptera) on plants of the Grabia river, Poland

   • Stefan Niesiołowski

   OriginalPaper 01 October 1980 Pages: 149 - 156

7. Survival of the marine crab, scylla serrata exposed to thermal shock under different experimental conditions

   • M. M. Hamumante
   • U. M. Farooqui
   • R. Nagabhushanam

   OriginalPaper 01 October 1980 Pages: 157 - 159

8. Protozoan species accrual on artificial islands in differing lentic and wetland systems

   • James L. Plafkin
   • David L. Kuhn
   • William H. Yongue Jr.

   OriginalPaper 01 October 1980 Pages: 161 - 178

9. Two species of phreodrilidae (oligochaeta) new to Australia and Tasmania

   • K. Vanamala Naidu
   • K. Abhinender Naidu

   OriginalPaper 01 October 1980 Pages: 179 - 180

10. La biodegradation des acides fulviques

    • N. Rifai
    • G. Bertru

    OriginalPaper 01 October 1980 Pages: 181 - 184

11. Some ecological observations on two agarophytes from India

    • Anilkumar Singh
    • T. Ramakrishna
    • M. Sreedhara Murthy

    OriginalPaper 01 October 1980 Pages: 185 - 188

12. Diel activity and thermoregulatory behavior of a fully aquatic frog: Xenopus laevis

    • Martha Elizabeth Casterlin
    • William Wallace Reynolds

    OriginalPaper 01 October 1980 Pages: 189 - 191

13. Libri novi

    BookReview 01 October 1980 Pages: 192 - 192