An assessment of metals contamination in Kemaman mangrove sediment during pre and post-monsoon seasons

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dc.contributor.authorRaja Samsul Raja Ismail
dc.date.accessioned2018-11-22T02:37:54Z
dc.date.available2018-11-22T02:37:54Z
dc.date.issued2008
dc.description.abstractAn assessment of metals contamination in Kemaman mangrove sediment during pre and post-monsoon seasons were conducted. The surface sediments were collected from 10 sampling point from Chukai mangrove forest during pre-monsoon and post-monsoon seasons and were analyzed for Al, Fe, Cr, Mn, Cu, Cd, Pb and grain size. During pre­ monsoon, the average concentration of Al, Fe, Cr, Mn, Cu, Cd and Pb were 2.02 ± 0.8%, 0.79 ± 0.43%, 263.89 ± 306.08µgi 1 dry weight, 31.82 ± 17.82µgg- 1 dry weight, 4.88 ± 1 2.98µgg- dry weight, 0.02 ± 0.01 µgg- 1 dry weight and 6.26 ± 2.8µgg- 1 dry weight, respectively. During post monsoon, the average concentration of Al, Fe, Cr, Mn, Cu, Cd and Pb were 2.54±1.1%, 0.84±0.38%, 37.12±12.26µgg- 1 dry weight, 26.05±6.16µgi 1 dry weight, 3.85±1.57µgg- 1 dry weight, 0.02±0.0lµgg- 1 dry weight and 7.44±3.42µgg- 1 dry weight, respectively. Enrichment factor and normalization was used to point out the level of pollution. During pre-monsoon, the enrichment factor (EF) and normalization indicated that only Fe, Cd and Pb were from natural resources, while all metals except for Cr originated naturally during post-monsoon. Comparison with background level indicates that the heavy metal concentrations on the study area are lower, except for Cr during both seasons. The statistical analysis of Pearson correlation matrix proved that there is a significant relationship between metal concentration and particle size. The concentrations of metals decrease with the decrease of particle mean size, suggesting their association with fine fraction of the sediment. All the metals except for Cr do not show any significant differences with seasonal changes (p > 0.05).en_US
dc.identifier.urihttps://umt-ir.umt.edu.my/xmlui/handle/123456789/10564
dc.language.isoenen_US
dc.publisherUniversiti Malaysia Terengganuen_US
dc.subjectRaja Samsul Raja Ismailen_US
dc.subjectLP 38 FMSM 2 2008en_US
dc.titleAn assessment of metals contamination in Kemaman mangrove sediment during pre and post-monsoon seasonsen_US
dc.typeWorking Paperen_US
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