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Zinc and Copper Concentrations in Two Species of Intertidal Crabs from the Middle of the West Coast of Peninsular Malaysia

Mohammad Mohd Ikram  Ahmad Ismail  Chee Kong Yap  Nor Azwady Abd Aziz  
【摘要】:A study on Zn and Cu concentrations in 2 species of intertidal crabs,namely Uca annulipes and Dotilla myctiroides collected from the intertidal coastal area of Selangor(5 sites) and Negeri Sembilan(3 sites),west coast of Peninsular Malaysia,was carried out.The various localized sources of Zn and Cu discharges towards both the crab species were mentioned.A comparative study between the 2 crab species also revealed that the concentrations of Zn and Cu were significantly(P0.05) higher in U.annulipes when compared to D.myctiroides.This difference was related to the organic matter percentage in the crabs' microhabitat sediments since metals can be associated with the organic matter of sediments in which they might ingest.Significantly(P0.05) higher organic matter content was shown in U.annulipes sediments when compared to D.myctiroides sediments for all stations.The metal and size relationship in the crabs was also investigated.The relationships between Zn and Cu concentrations with body weight and carapace width of U.annulipes and D.myctiroides were significantly(P0.01 and P0.05) correlated although the pair wise was weak.

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