Dynamics of PCDDs/DFs and coplanar-PCBs in an aquatic food chain of Tokyo Bay.
作者： Wataru Naito , Jiancheng Jin , Youn-Seok Kang , Masumi Yamamuro , Shigeki Masunaga
DOI: 10.1016/S0045-6535(03)00046-8
关键词: Bioaccumulation 、 Isotope analysis 、 Plankton 、 Environmental science 、 Benthic zone 、 Ecology 、 Food chain 、 Biota 、 Trophic level 、 Bay
摘要: Concentrations and accumulation profiles of PCDDs/DFs coplanar-PCBs (co-PCBs) in aquatic biota (e.g., plankton, shellfish, benthic invertebrate, fish) sediment from Tokyo Bay were examined to elucidate the relationship between bioaccumulation trophic level food web as determined by stable nitrogen isotope analysis. Bioaccumulation patterns co-PCBs varied greatly among congeners. Accumulation are not solely explained their physicochemical properties. Biota-sediment factors (BSAFs) for significantly greater than those PCDDs/DFs. Furthermore, slopes plots delta15N BSAF values water solubility 2,3,7,8-substituted highly correlated. The results our study would provide valuable information understand properties that can be used a scientific basis determine quality criteria co-PCBs.
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