The temperature of a British river upstream and downstream of a heated discharge from a power station T. E. Langford OriginalPaper 01 September 1970 Pages: 353 - 375
Contribution to the ecology of Indian aquatics R. SahaiA. B. Sinha OriginalPaper 01 September 1970 Pages: 376 - 382
Several interesting organisms present in activated sludge Záviš CyrusAlena Sladká OriginalPaper 01 September 1970 Pages: 383 - 396
An investigation of the Coulter Counter in “Biomass” determinations of natural freshwater phytoplankton populations J. H. EvansS. M. McGill OriginalPaper 01 September 1970 Pages: 401 - 419
Studies on the absorption spectra of plant pigments in estuaries John H. Tietjen OriginalPaper 01 September 1970 Pages: 420 - 430
Brook troot populations in Colorado beaver ponds Fred W. Rabe OriginalPaper 01 September 1970 Pages: 431 - 448
Chironomidae (Diptera) from light catches on the man-made Volta Lake in Ghana T. Petr OriginalPaper 01 September 1970 Pages: 449 - 468
Effects of some common insecticides and other environmental factors on the heart beat of Caridina pristis H. H. Costa OriginalPaper 01 September 1970 Pages: 469 - 480
Accumulation of dieldrin by benthic algae in laboratory streams Fred L. RoseC. David McIntire OriginalPaper 01 September 1970 Pages: 481 - 493
The influence of light and air on the purification of polluted water Willem H. O. de SmetFrans M. J. C. Evens OriginalPaper 01 September 1970 Pages: 494 - 544
Changes in the fauna and flora of a nutrient enriched lake N. C. Morgan OriginalPaper 01 September 1970 Pages: 545 - 553
The lobose amebas: II. A new ameba of the “Proteus” group, polychaos nitidubia N. Sp. Eugene C. Bovee OriginalPaper 01 September 1970 Pages: 554 - 567
Biology of the small pelagic fishes in the new Volta Lake in Ghana Julian D. Reynolds OriginalPaper 01 September 1970 Pages: 568 - 603
