Halogenated phenolic contaminants in the blood of marine mammals from Japanese coastal waters.
Information on accumulation of halogenated phenolic contaminants in the blood of marine mammal is limited. The present study, we determined the residue levels and patterns of chlorinated and brominated phenolic contaminants (OH-PCBs, OH-PBDEs and bromophenols) in the blood collected from pinnipeds (northern fur seal, spotted seal, Steller sea lion and ribbon seal) and small cetaceans (harbor porpoise and Dall's porpoise) from Japanese coastal waters. Concentrations of PCBs and OH-PCBs found in pinnipeds were the same as in small cetaceans living in the same coastal area. However, significantly lower concentrations of brominated compounds (PBDEs, MeO-PBDEs, OH-PBDEs) were found in the blood of pinnipeds than the levels found in cetacean species which live same area (p < 0.05). This difference of accumulation pattern suggested pinnipeds have an enhanced capability to degrade organobromine compounds relative to cetaceans.
Center for Marine Environmental Studies (CMES), Ehime University, Bunkyo-cho 3, Matsuyama 790-8577, Japan. Electronic address: keinomi@agr.ehime-u.ac.jp.
Kei
K
Nomiyama
Center for Marine Environmental Studies (CMES), Ehime University, Bunkyo-cho 3, Matsuyama 790-8577, Japan.
Chika
C
Kanbara
Center for Marine Environmental Studies (CMES), Ehime University, Bunkyo-cho 3, Matsuyama 790-8577, Japan.
Mari
M
Ochiai
Center for Marine Environmental Studies (CMES), Ehime University, Bunkyo-cho 3, Matsuyama 790-8577, Japan.
Akifumi
A
Eguchi
Center for Marine Environmental Studies (CMES), Ehime University, Bunkyo-cho 3, Matsuyama 790-8577, Japan.
Hazuki
H
Mizukawa
Center for Marine Environmental Studies (CMES), Ehime University, Bunkyo-cho 3, Matsuyama 790-8577, Japan.
Tomohiko
T
Isobe
Faculty of Fisheries Sciences, Hokkaido University, 3-3-1 Minato-cho, Hakodate 041-8611, Japan.
Takashi
T
Matsuishi
Department of Zoology, National Museum of Nature and Science, 3-23-1 Hyakunin-cho, Shinjuku-ku, Tokyo 169-0073, Japan.
Tadasu K
TK
Yamada
Center for Marine Environmental Studies (CMES), Ehime University, Bunkyo-cho 3, Matsuyama 790-8577, Japan.
Shinsuke
S
Tanabe
D000818:Animals; D010872:Caniformia / Q000097:blood*; D004784:Environmental Monitoring; D005260:Female; D055768:Halogenated Diphenyl Ethers / Q000097:blood*; D007564:Japan; D008297:Male; D010636:Phenols / Q000097:blood*; D011078:Polychlorinated Biphenyls / Q000097:blood*; D019576:Porpoises / Q000097:blood*; D012623:Seawater; D014874:Water Pollutants, Chemical / Q000097:blood*
D055768:Halogenated Diphenyl Ethers; D010636:Phenols; D014874:Water Pollutants, Chemical; D011078:Polychlorinated Biphenyls
Blood; Bromophenols; Hydroxylated PBDEs; Hydroxylated PCBs; Marine mammals; Methoxylated PBDEs