ASSESSMENT OF INORGANIC POLLUTANTS IN WATER AND SEDIMENTS IN ABBASSA AND MARUIT FISH FARM, EGYPT
Samir M. Saeed
Limnology dept. Central Laboratory for Aquaculture Research, Agriculture Research Center, Ministry of Agriculture, Egypt
Received 6/ 1/ 2013 Accepted 18/ 2/ 2013
Abstract
Some physical properties of water, inorganic ions and distribution of metals (iron, zinc, copper, manganese, cadmium and lead) were studied in water and the upper 10
cm surface layer of 16
fish ponds as well as water source (inlet) and pond effluents (outlet) of two important fish farms in Egypt namely; Abbassa (Sharkia Governorate) and Maruit (Alexandria Governorate) to evaluate the degree of inorganic pollutants in these farms. The obtained results indicated that, the values of studied parameters differed significantly (P<0.05) among inlet, ponds and outlet of water as well as sediments in the two studied farms with the highest values recorded in ponds and outlet. Differences in inorganic ions are thought to be significant in culture ponds which may be related to feeding inputs and sediment organic matter. However, these parameters remain in the favorable range for fish culture. Pond sediments in this study generally showed favourable quality for use in aquaculture but application of practices (as dry-out and sediment removal) is recommended to reduce the organic matter accumulation (which increased in ponds).
Key words: fish farms, pollution, water quality, metals, Abbassa, Maruit
