1. Catalytic mobilization of phosphate in lake water and by Cyanophyta

   • Wolfgang Reichardt

   OriginalPaper 01 October 1971 Pages: 377 - 394

2. Seasonal variation in primary productivity in three tropical ponds

   • Sumitra Vijayaraghavan

   OriginalPaper 01 October 1971 Pages: 395 - 408

3. Variation in the elemental content of Eichhornia crassipes

   • Claude E. Boyd
   • David H. Vickers

   OriginalPaper 01 October 1971 Pages: 409 - 414

4. Techniques originales de prélèvement des paramètres physiologiques sur le Congre (Conger conger L.) libre de ses déplacements

   • Alain Belaud
   • Claude Peyraud

   OriginalPaper 01 October 1971 Pages: 415 - 424

5. Coelomomyces opifexi (Pillai & Smith). Coelomomycetaceae: Blastocladiales.

   • J. S. Pillai

   OriginalPaper 01 October 1971 Pages: 425 - 436

6. A highly alkaline Lake in Nicaragua

   • Kenneth B. Armitage

   OriginalPaper 01 October 1971 Pages: 437 - 439

7. Contribution à l'etude des thecamoebiens de la Province de Buenos Aires

   • E. Boltovskoy
   • H. Lena

   OriginalPaper 01 October 1971 Pages: 441 - 451

8. Micro-habitat pH differences from those of the surrounding water

   • William H. Yongue Jr.
   • John Cairns Jr.

   OriginalPaper 01 October 1971 Pages: 453 - 461

9. The succinic dehydrogenase activity of eptocephalus dichotomus Baird

   • R. Bernice

   OriginalPaper 01 October 1971 Pages: 463 - 471

10. The overall change in abundance of ciliates other than Family Tintinnidae in St. Margaret's Bay

    • S. M. Saifullah

    OriginalPaper 01 October 1971 Pages: 473 - 477

11. An ecological study of the macrophytic vegetation of the Doodhadhari Lake, Raipur, M. P., India

    • K. Sankaran unni

    OriginalPaper 01 October 1971 Pages: 479 - 487

12. Zu methodischen prinzipien des studiums von algenpopulationen in vitro

    • Jirí Růžčka

    OriginalPaper 01 October 1971 Pages: 489 - 505

13. Food, feeding and digestion in streptocephalus dichotomus baird (Crustacea: Anostraca)

    • R. Bernice

    OriginalPaper 01 October 1971 Pages: 507 - 520

14. Haustoriid amphipods (Crustacea) from India

    • P. Rabindranath

    OriginalPaper 01 October 1971 Pages: 521 - 539

15. Respiration of Streptocephalus dichotomus Baird (Crustacea : Anostraca)

    • R. Bernice

    OriginalPaper 01 October 1971 Pages: 541 - 552

16. A re-assessment of the relative importance of ciliates, rhizopods and rotatorians in the ecology of activated sludge

    • D. H. J. Sydenham

    OriginalPaper 01 October 1971 Pages: 553 - 563

17. The ingestion and digestion of yeast-like fungi by the sponge, microcionia prolifera

    • S. Kunen
    • G. Claus
    • L. Peyser

    OriginalPaper 01 October 1971 Pages: 565 - 576

18. Libri Novi

    BookReview 01 October 1971 Pages: 577 - 584