Grouping plankton samples by numerical analysis Sharon -D. Brown OriginalPaper 01 July 1969 Pages: 289 - 301
Contribution to knowledge of the biology of Alestes macrophthalmus gunther (Pisces: Characidae) A. P. Bowmaker OriginalPaper 01 July 1969 Pages: 302 - 341
The effect of temperature on growth, longevity and egg production in Chirocephalus diaphanus prévost (Crustacea: Anostraca) P. S. Lake OriginalPaper 01 July 1969 Pages: 342 - 351
An ecological study of the algae of the River Moosi, Hyderabad (India) with special reference to water pollution V. Venkateswarlu OriginalPaper 01 July 1969 Pages: 352 - 363
Etude expérimentale du comportement in situ d'une population diatomique maintenue en enceinte dialysante Jean-François Pierre OriginalPaper 01 July 1969 Pages: 364 - 368
The development and distribution of plankton in the northern part of the White Nile Y. B. Abu Gideiri OriginalPaper 01 July 1969 Pages: 369 - 378
On carotenoids in the carapace of crayfish (Astacus astacus L.) (Crustacea: Decapoda) Bazyli CzeczugaRomuald Czerpak OriginalPaper 01 July 1969 Pages: 379 - 384
Etude floristique et écologique de la florule algale de deux biotopes dans la vallée de la Dyle A. LouisG. Aelvoet OriginalPaper 01 July 1969 Pages: 385 - 494
Seasonal changes in the biochemical composition of the freshwater cat-fish, Wallagonia attu (Bloch.) A. K. Jafri OriginalPaper 01 July 1969 Pages: 497 - 506
Regional meeting of hydrobiologists of tropical Africa T. Petr OriginalPaper 01 July 1969 Pages: 507 - 512
Oxygen consumption in Tilapia nilotica (L.) Nasr el Dien AhmedA. M. Abdel Magid OriginalPaper 01 July 1969 Pages: 513 - 522
A limnological comparison of two small Idaho reservoirs Gary W. MillerFred W. Rabe OriginalPaper 01 July 1969 Pages: 523 - 546
Alonella and Dunhevedia (Chydoridae, Cladocera): Morphology of trunk limbs N. N. Smirnov OriginalPaper 01 July 1969 Pages: 547 - 560
Comparative benthic plant ecology by SCUBA-monitored quadrats R. D. WoodPaul E. Hargraves OriginalPaper 01 July 1969 Pages: 561 - 586
Phytoplankton associations in two pools and their relationships with associated benthic flora Brian MossA. G. Abdel Karim OriginalPaper 01 July 1969 Pages: 587 - 600