Observations on the transparency of the waters of the Pulicat Lake with particular reference to plankton production M. Kaliyamurthy OriginalPaper 01 February 1973 Pages: 3 - 11
The effects of pollution on Gammarus pulex (L) subsp, pulex (Schellenberg) in the inlet streams of Rostherne Mere, Cheshire John E. Hobrough OriginalPaper 01 February 1973 Pages: 13 - 35
The relations between mites of the genus Unionicola and the mussels Anodonta and Unio C. Davids OriginalPaper 01 February 1973 Pages: 37 - 44
Phytoplankton observations in the Eastern Caribbean Sea Harold G. Marshall OriginalPaper 01 February 1973 Pages: 45 - 55
Hämatologische beobachtungen an regenbogenforellen (Salmo gairdneriRich.) VII. Färbeindex (FI), absoluter Hämoglobingehalt des Einzelerytrozyten (HbE) and mittlere Hämoglobinkonzentration des Einzelerythrozyten (MCHC) Gerhard Haider OriginalPaper 01 February 1973 Pages: 57 - 76
Growth of a floating aquatic weed, Salvinia under standard conditions John J. Gaudet OriginalPaper 01 February 1973 Pages: 77 - 106
Study of the changes in the structure of two algal populations: an r-type factor analysis F. Symons OriginalPaper 01 February 1973 Pages: 107 - 112
Carotenoids in fish II. Carotenoids and vitamin A in some fishes from the coastal region of the Black Sea B. Czeczuga OriginalPaper 01 February 1973 Pages: 113 - 125
Effect of Phormidium extract on growth and yield of Vigna catjang (Cowpea) T. 5269 A. B. GuptaK. K. Gupta OriginalPaper 01 February 1973 Pages: 127 - 132