Dechlorane-Related Compounds in Franciscana Dolphin (Pontoporia blainvillei) from Southeastern and Southern Coast of Brazil

被引：52

作者：

de la Torre, A. ^{[1
]}

Alonso, M. B. ^{[2
,3
,7
]}

Martinez, M. A. ^{[1
]}

Sanz, P. ^{[1
]}

Shen, L. ^{[5
,6
]}

Reiner, E. J. ^{[6
]}

Lailson-Brito, J. ^{[3
]}

Torres, J. P. M. ^{[2
]}

Bertozzi, C. ^{[7
]}

Marigo, J. ^{[7
]}

Barbosa, L. ^{[4
]}

Cremer, M. ^{[8
]}

Secchi, E.

Malm, O. ^{[2
]}

Eljarrat, E. ^{[9
]}

Barcelo, D. ^{[9
,10
]}

机构：

[1] CIEMAT, Dept Environm, Persistent Organ Pollutant Grp, E-28040 Madrid, Spain

[2] Univ Fed Rio de Janeiro, Inst Biophys, Rio De Janeiro, Brazil

[3] Rio de Janeiro State Univ UERJ, Sch Oceanog, Aquat Mammal & Bioindicator Lab MAQUA, Rio De Janeiro, Brazil

[4] Inst Orca, Vila Velha, Brazil

[5] Brock Univ, Dept Chem, St Catharines, ON L2S 3A1, Canada

[6] Ontario Minist Environm, Toronto, ON, Canada

[7] Projeto Biopesca, Praia Grande, Brazil

[8] Univ Regiao Joinville, Dept Ciencias Biol, Lab Nectol, Sao Francisco Do Sul, Brazil

[9] CSIC, Dept Environm Chem, IDAEA, Barcelona, Spain

[10] Univ Girona, Catalan Inst Water Res ICRA, Girona, Spain

来源：

ENVIRONMENTAL SCIENCE & TECHNOLOGY | 2012年 / 46卷 / 22期

关键词：

ISOMER-SPECIFIC BIOACCUMULATION; LAURENTIAN GREAT-LAKES; BOTTLE-NOSED DOLPHINS; FLAME-RETARDANT; DIPHENYL ETHER; MARINE MAMMALS; SAO-PAULO; PLUS; ATLANTIC; BLUBBER;

D O I：

10.1021/es302934p

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Concentrations of Dechlorane (Dec) 603 (0.75 ng/g lipid weight (lw); mean) and Dec 602 (0.38 ng/g lw; mean) were quantified in more than 95% of the franciscana (Pontoporia blainvillei) dolphin samples, whereas the frequency of detection decreased to 75% for Dechlorane Plus (DP) (1.53 ng/g lw, mean). The presence of Chlordene Plus (CP) was also observed (0.13 ng/g lw, mean) in half of the samples. On the contrary, Dec 604, decachloropentacyclooctadecadiene (aCl(11)0P), and undecachloropentacyclooctadecadiene (aCl(11)DP) concentrations were below the limit of quantifications in all cases. To the best of our knowledge, this is the first article reporting the presence of Dec 603, Dec 602, and CP in mammals. For comparative purposes, levels of Mirex, polybrominated diphenyl ethers (PBDEs), and decabromodiphenylethane (DBDPE) are also reported. Considering geographic distribution evaluation together with the strong positive correlations found between DP and PBDEs (r(s) = 0.63; p < 0.01), highly anthropogenic areas were identified as potential sources of these chemicals in this dolphin species. However, local sources for Dec 602, 603, Mirex, CP, and DBDPE were not found indicating that in this case historical use and/or atmospheric transport and deposition may play an important role in their fate.

引用

页码：12364 / 12372

页数：9

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