1. Primary productivity and trophic status of a Kashmir Himalayan Lake

   • M. A. Khan
   • D. P. Zutshi

   OriginalPaper 01 January 1980 Pages: 3 - 8

2. On the trophic status and conservation of Kashmir Lakes

   • K. K. Vass

   OriginalPaper 01 January 1980 Pages: 9 - 15

3. Contribution a l'etude limnologique du lac Pavin (France). II: Relations entre parametres abiotiques-phyto et zooplancton dans la zone 0–20 metres

   • J. Devaux

   OriginalPaper 01 January 1980 Pages: 17 - 34

4. Evaluation of two tagging/marking techniques, and their practical application in Osteochilus hasselti C. & V. (cyprinidae) population estimates and movement at Subang reservoir, Malaysia

   • Yap Siaw-Yang
   • J. I. Furtado

   OriginalPaper 01 January 1980 Pages: 35 - 47

5. Copepoda (cyclopoida, Lichomolgidae) associated with the Alcyonacean Nephthea in the moluccas

   • Arthur G. Humes

   OriginalPaper 01 January 1980 Pages: 49 - 71

6. The reproductive cycle in the population of Saccostrea cuccullatta (Born) from the coast of Karachi, Pakistan

   • M. Asif

   OriginalPaper 01 January 1980 Pages: 73 - 79

7. On a new charophyte from India

   • Subhra Mukherjee
   • M. N. Noor

   OriginalPaper 01 January 1980 Pages: 81 - 84

8. Modification of a freshwater sampler using evacuated tubes for microbial collections

   • R. Jones

   OriginalPaper 01 January 1980 Pages: 85 - 86

9. Some observations on the distribution and life history of Caenis robusta Eaton (Ephemeroptera) in Cheshire and North Shropshire, England

   • P. A. Bradbeer
   • A. A. Savage

   OriginalPaper 01 January 1980 Pages: 87 - 90

10. Nais pseudobtusa Piguet, 1906 (Oligochaeta: Naididae) New to Australia

    • K. Vanamala Naidu
    • K. Abhinender Naidu

    OriginalPaper 01 January 1980 Pages: 91 - 92

11. Libri novi

    BookReview 01 January 1980 Pages: 93 - 96

12. Announcement

    Announcement 01 January 1980 Pages: 96 - 96