Observations on some techniques employed for the removal of egg adhesiveness of the common carp, Cyprinus Carpio, during induced spawning
A comparison of chemical load estimation algorithms using data obtained by sampling four South African rivers at varying frequencies
The phosphorus cycle in Germiston lake. IIi seasonal patterns in the absorption, translocation and release of phosphorus by Potamogeton Pectinatus l
The growth and production of Mocambique Tilapia (Oreochromis Mossambicus) fed on algae in small tanks