Research Centre for Oceanography
Faculty of Fisheries and Marine Science, Bogor Agric. University
Royal Netherlands Institute for Sea Research
抄録
Surficial sediments were collected from 17 locations in the estuarine region of the Berau Delta, Indonesia in April and September of 2007. Sediments were characterized by a simultaneous extraction procedure that estimates the concentration of metal partitioned onto operationally defined geochemical components of the sediment. The results showed that total metals in sediments were as follows, Pb (3-19μgg(-1) dry weight, dw), Cr (10-81μgg(-1)), and Cu (2-24μgg(-1)). These metal concentrations were higher in April than in September by a factor of 1.8. Most of these metals were also tightly bound in non-reactive component of sediments, and only a small fraction was associated with iron and manganese components (easily reducible and reducible fractions). The percentage of potentially bioavailable of each metal was 14.3% for Pb; 14.5% for Cr and 7.2% for Cu. We concluded that metal concentrations in sediment of Berau Delta were mostly not available to benthic biota.
内容記述
Proceedings of 4th JSPS-VAST Joint Seminar on 'Coastal Marine Science', Hai Phong, Viet Nam, 26-28 October 2009
Ocean Pollution
雑誌名
Coastal marine science
巻
34
号
1
ページ
205 - 211
発行年
2010-08-20
ISSN
13493000
書誌レコードID
AA11957899
日本十進分類法
452
出版者
International Coastal Research Center, Atmosphere and Ocean Research Institute, the University of Tokyo
Geochemistry of heavy metals (Pb, Cr and Cu) in sediments and benthic communities of Berau Delta, Indonesia
CMS340131.pdf
(1.57MB)
