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Title
Effect of ecological and biological factors on the uptake and concentration of trace elements by aquatic organisms at Edku lake تأثير العوامل البيئية والبيولوجية على تركيز العناصر الثقيلة فى الاحياء البحرية لبجيرة أدكو |
Full text
http://hdl.handle.net/1834/1249 |
Date
2005 |
Author(s)
Shakweer, L.; Abbas, M.M. |
Abstract
This journal is published by NIOF, Alexandria, Egypt - The effect of temperature, pH and trace elements concentration in the ambient water on the uptake and accumulation of Cu, Zn, Ni and Pb in various organs of fish and parts of aquatic plants of Edku Lake were studied. It was found that higher water temperature and lower pH during summer increased the rates of trace metals uptake by the most common fish species Oreochromis niloticus. The concentrations of Cu, Zn, and Ni in the various organs of fish were affected by the concentrations of these elements in the water. Cu, Zn, Ni and Pb attained higher concentrations in the roots of Eichormia crassipes if compared with their concentrations in the other parts of this aquatic plant. Sex of fish can be considered as an important factor affecting the accumulation of trace elements in different organs of fish. The accumulation of Cu, Zn, and Ni in the flesh, liver, gonads and bones of fish were negatively correlated with length of the fish. - NIOF |
Subject(s)
Trace elements, Edku Lake, Fish, Aquatic plants, Pollution; ACCUMULATION; ENVIRONMENT; LAKE FISHERIES; LAKES |
Language
en |
Publisher
Alexandria: National Institute of Oceanography and Fisheries |
Type of publication
Article |
Format
43326 bytes; 400823 bytes; application/pdf; application/pdf |
Identifier
Egyptian Journal of Aquatic Research, 31 (1), p. 271-287; 1110-0354 |
Repository
Africa - Ocean Data and Information Network of Africa (OdinAfrica)
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