PMID- 29459333 OWN - NLM STAT- MEDLINE DCOM- 20180615 LR - 20181202 IS - 1873-6424 (Electronic) IS - 0269-7491 (Linking) VI - 236 DP - 2018 May TI - Contamination status by persistent organic pollutants of the Atlantic spotted dolphin (Stenella frontalis) at the metapopulation level. PG - 785-794 LID - S0269-7491(17)31276-9 [pii] LID - 10.1016/j.envpol.2018.02.009 [doi] AB - The Atlantic spotted dolphin (Stenella frontalis) is an endemic species of the tropical-temperate Atlantic Ocean with widespread distribution. Although this species has been the subject of a large number of studies throughout its range, it remains in the "data deficient" category of the International Union for Conservation of Nature (IUCN). Chemical pollution by persistent organic pollutants (POPs) has been listed as one of the major threats to this species, however, there is no information on a wide scale. Thus, the aim of the present study was to investigate the contamination status of spotted dolphins on the metapopulation level as well as determine spatial and temporal variations in POP concentrations and bio-accumulation. A total of 115 blubber samples collected from a large part of the Atlantic basin were analysed for PCBs, DDTs, PBDEs, chlordanes, HCB and mirex. Although PCBs and DDTs were the predominant compounds in all areas, inter-location differences in POP concentrations were observed. Dolphins found at Sao Paulo, southeastern coast of Brazil, had the highest PCB concentrations (median: 10.5 mug/g lw) and Canary Islands dolphins had the highest DDT concentrations (median: 5.13 mug/g lw). Differences in PCB patterns among locations were also observed. Dolphins from the Azores and Sao Paulo demonstrated a similar pattern, with relatively highly contributions of tetra- (6.8 and 5.2%, respectively) and penta-CBs (25.6 and 23.8%, respectively) and lower contributions of hepta-CBs (20.8 and 23.5%, respectively) in comparison to other areas. Moreover, the sex of the animals and the year in which sampling or capture occurred exerted an important influence on the majority of the POPs analysed. Comparisons with toxicity thresholds available in the literature reveal that the Sao Paulo and Canary Island dolphins are the most vulnerable populations and should be considered in future conservation and management programs for the Atlantic spotted dolphin. CI - Copyright (c) 2018 Elsevier Ltd. All rights reserved. FAU - Mendez-Fernandez, Paula AU - Mendez-Fernandez P AD - Laboratorio de Quimica Organica Marinha, Instituto Oceanografico, Universidade de Sao Paulo, Sao Paulo, SP 05508-120, Brazil. Electronic address: paula.mendez_fernandez@univ-lr.fr. FAU - Taniguchi, Satie AU - Taniguchi S AD - Laboratorio de Quimica Organica Marinha, Instituto Oceanografico, Universidade de Sao Paulo, Sao Paulo, SP 05508-120, Brazil. FAU - Santos, Marcos C O AU - Santos MCO AD - Laboratorio de Biologia da Conservacao de Mamiferos Aquaticos, Instituto Oceanografico, Universidade de Sao Paulo, Sao Paulo, SP 05508-120, Brazil. FAU - Cascao, Irma AU - Cascao I AD - Department of Oceanography and Fisheries & Okeanos Centre, University of the Azores, 9901-862 Horta, Portugal; Marine and Environmental Sciences Centre (MARE) & Institute of Marine Research (IMAR), University of the Azores, 9901-862 Horta, Portugal. FAU - Querouil, Sophie AU - Querouil S AD - Institut des Sciences de l'Evolution de Montpellier (ISE-M), IRD-UMR226, Universite de Montpellier, CCO65, Place Eugene Bataillon, 34095 Montpellier Cedex 5, France. FAU - Martin, Vidal AU - Martin V AD - Sociedad para el Estudio de Cetaceos del Archipielago Canario (SECAC), Casa de los Arroyo, Avda. Coll n.6, 35500 Arrecife, Lanzarote, Spain. FAU - Tejedor, Marisa AU - Tejedor M AD - Sociedad para el Estudio de Cetaceos del Archipielago Canario (SECAC), Casa de los Arroyo, Avda. Coll n.6, 35500 Arrecife, Lanzarote, Spain. FAU - Carrillo, Manuel AU - Carrillo M AD - Tenerife Conservacion, C/Maya No. 8, La Laguna, Tenerife, Canary Islands, Spain. FAU - Rinaldi, Carolina AU - Rinaldi C AD - Association Evasion Tropicale, 1 Rue des Paletuviers, Pigeon Bouillante, 97125, Guadeloupe, France. FAU - Rinaldi, Renato AU - Rinaldi R AD - Association Evasion Tropicale, 1 Rue des Paletuviers, Pigeon Bouillante, 97125, Guadeloupe, France. FAU - Montone, Rosalinda C AU - Montone RC AD - Laboratorio de Quimica Organica Marinha, Instituto Oceanografico, Universidade de Sao Paulo, Sao Paulo, SP 05508-120, Brazil. LA - eng PT - Journal Article PL - England TA - Environ Pollut JT - Environmental pollution (Barking, Essex : 1987) JID - 8804476 RN - 0 (Halogenated Diphenyl Ethers) RN - 0 (Water Pollutants, Chemical) RN - 12789-03-6 (Chlordan) RN - DFC2HB4I0K (Polychlorinated Biphenyls) SB - IM MH - Animals MH - Atlantic Ocean MH - Azores MH - Brazil MH - Chlordan/analysis/metabolism MH - Dolphins MH - *Environmental Monitoring MH - Halogenated Diphenyl Ethers/analysis/metabolism MH - Polychlorinated Biphenyls/analysis/metabolism MH - Spain MH - Stenella/*metabolism MH - Water Pollutants, Chemical/analysis/*metabolism OTO - NOTNLM OT - Atlantic ocean OT - Bioaccumulation OT - Contamination assessment OT - Persistent organic pollutants OT - Stenella frontalis EDAT- 2018/02/21 06:00 MHDA- 2018/06/16 06:00 CRDT- 2018/02/21 06:00 PHST- 2017/03/27 00:00 [received] PHST- 2018/01/23 00:00 [revised] PHST- 2018/02/04 00:00 [accepted] PHST- 2018/02/21 06:00 [pubmed] PHST- 2018/06/16 06:00 [medline] PHST- 2018/02/21 06:00 [entrez] AID - S0269-7491(17)31276-9 [pii] AID - 10.1016/j.envpol.2018.02.009 [doi] PST - ppublish SO - Environ Pollut. 2018 May;236:785-794. doi: 10.1016/j.envpol.2018.02.009.