2024-03-28T09:20:15Z
https://repository.dl.itc.u-tokyo.ac.jp/oai
oai:repository.dl.itc.u-tokyo.ac.jp:00040814
2022-12-19T04:46:11Z
40:6494:7162:7206:7207
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Marine environmental status in the Thai waters
Wattayakorn, Gullaya
139654
452
heavy metals
tributyltin
persistent organic pollutants
polycyclic aromatic hydrocarbons
petroleum hydrocarbons
Thai waters
Gulf of Thailand
application/pdf
The marine environment in Thailand has been degraded by various pollutants arising both from land-based sources and from heavy shipping traffic, together with the accompanying accidental oil spills. Domestic wastes in the coastal waters of major cities are much evident. High levels of heavy metals in marine organisms are occasionally reported. The observed elevated mercury levels in some areas provide a warning of potential risk in the Gulf. Pesticide residues were detected in sediment and mussel samples. Low-level hydrocarbon pollution to some degree occurs most of the time in the Upper Gulf and the Eastern Sea Board. Polycyclic aromatic hydrocarbons (PAHs) were identified in the water, sediment and biota samples. Tributyltin (TBT) was also detected in water, sediment and biota samples. Gastropods collecting near major shipping lanes all had imposex characteristics. Although marine pollution levels have been reported to be acceptable in Thai waters, management measures to minimize pollutant loading are needed to reduce long-term risk to the marine environment.
departmental bulletin paper
International Coastal Research Center, Ocean Research Institute, the University of Tokyo
2005-01-31
application/pdf
Coastal marine science
2
29
87
94
AA11957899
13493000
https://repository.dl.itc.u-tokyo.ac.jp/record/40814/files/KJ00004186956.pdf
eng