| The issue of sediment in aquatic environments has been a topic of concern for many decades because it harbouring pathogen and decrease water depth. . The investigation was carried out to identify and proffer solutions to some environmental and management problems that have hitherto affected fish production sub-sector of the economy, using Lagos State, (Western) Nigeria as a case study. Both surveying and experimental methods were used. The results indicated that of water loss from ponds resulting from evaporation and seepage ranged from 2.5 – 4.6 day-1. Percentage reduction in pond water depth during dry season ranged from 70 – 81 % as compared to the observed percentage increase during rainy season with range of values as, 17 – 34%. The mean rise and... |
