Copper,zinc and cadmium in benthic organisms from the Java Sea and estuarine and coastal areas around East Java |
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| Affiliation: | 1. Netherlands Institute for Sea Research, P.O. Box 59, 1790 AB Den Burg, Texel, The Netherlands;2. Center for Oceanological Research and Development, Indonesian Institute of Sciences, P.O. Box 580 DAK, Ancol Timor, Jakarta, Indonesia;3. Institute of Hydraulic Engineering (DPMA), Jalan Ir. Juanda 193, Bandung, Indonesia;1. Department of Cell and Molecular Biology, Karolinska Institute, SE-171 77 Stockholm, Sweden;2. Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, SE-171 77 Stockholm, Sweden;3. Singapore Centre on Environmental Life Sciences Engineering, Nanyang Technological University, 60 Nanyang Drive, Singapore 637551;4. Lee Kong Chian School of Medicine, Nanyang Technological University, 60 Nanyang Drive, Singapore 637551;5. Department of Developmental Biology, University of Texas Southwestern Medical Center, Dallas TX 75390, USA;6. The National Cancer Centre, Singapore General Hospital, Singapore;1. AUT Institute for Applied Ecology New Zealand, Auckland University of Technology, Private Bag 92006, 1142 Auckland, New Zealand;2. Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-Université de la Rochelle, 2 rue Olympe de Gouges, 17000 La Rochelle, France;3. GEOMAR, Helmholtz Centre for Ocean Research Kiel, Düsternbrooker Weg 20, 24105 Kiel, Germany;1. College of Agriculture, Hainan University, Haikou 570228, China;2. Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, 17, Chunhui Road, Laishan District, Yantai 264003, Shandong Province, China;3. Haikou Key Laboratory of Environment Toxicology, Haikou 570228, China;4. Satellite Environment Center, Ministry of Environmental Protection, Beijing 100094, China;1. Escuela de Ciencias, Departamento de Biología, Universidad de Oriente, Cumaná, Venezuela;2. Instituto Oceanográfico de Venezuela, Universidad de Oriente, Cumaná, Venezuela |
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| Abstract: | A study was made of the concentrations of copper, zinc and cadmium in benthic organisms, representing the phyla Mollusca, Arthropoda, Echinodermata and Pisces, from the riverine and estuarine areas of the rivers Brantas and Solo (East Java) and the adjacent coastal area. Moreover, an assessment was made of the contamination of the benthic biota with these elements in the Java Sea and Bali Sea.Benthic organisms show a species-specific uptake pattern for each element. Compared to the same type of animals from estuaries and coastal areas in temperate regions of western Europe, the concentrations of cadmium are considerably higher, while copper and zinc concentrations are somewhat lower.There is no general trend in concentration levels of the metals in specimens from rivers, estuaries, coastal zone and open sea. In some groups of organisms (e.g. shrimp, starfish) the concentrations of copper and zinc are highest in specimens from rivers and estuaries. In contrast, cadmium concentration levels in e.g. crab, shrimp and squid are lowest in riverine and estuarine areas.Significant differences in metal concentrations in these organisms were found between the dry monsoon period (July, August) and the beginning of the wet monsoon (November, December).No relationship existed between the metal concentration of the organisms and the silt fraction of the sediment (grain size < 63 μm) or the bulk sediment. |
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