PCB pollution continues to impact populations of orcas and other dolphins in European waters

被引：299

作者：

Jepson, Paul D. ^{[1
]}

Deaville, Rob ^{[1
]}

Barber, Jonathan L. ^{[2
]}

Aguilar, Alex ^{[3
,4
]}

Borrell, Asuncion ^{[3
,4
]}

Murphy, Sinead ^{[1
]}

Barry, Jon ^{[2
]}

Brownlow, Andrew ^{[5
]}

Barnett, James ^{[6
]}

Berrow, Simon ^{[7
]}

Cunningham, Andrew A. ^{[1
]}

Davison, Nicholas J. ^{[5
]}

ten Doeschate, Mariel ^{[5
]}

Esteban, Ruth ^{[8
]}

Ferreira, Marisa ^{[9
,10
]}

Foote, Andrew D. ^{[11
]}

Genov, Tilen ^{[12
,13
,14
]}

Gimenez, Joan ^{[15
]}

Loveridge, Jan ^{[16
]}

Llavona, Angela ^{[17
]}

Martin, Vidal ^{[18
]}

Maxwell, David L. ^{[2
]}

Papachlimitzou, Alexandra ^{[2
]}

Penrose, Rod ^{[19
]}

Perkins, Matthew W. ^{[1
]}

Smith, Brian ^{[20
]}

de Stephanis, Renaud ^{[15
]}

Tregenza, Nick ^{[16
]}

Verborgh, Philippe ^{[8
]}

Fernandez, Antonio ^{[21
]}

Law, Robin J. ^{[1
,2
]}

机构：

[1] Zool Soc London, Inst Zool, London NW1 4RY, England

[2] Ctr Environm Fisheries & Aquaculture Sci, Lowestoft NR33 0HT, Suffolk, England

[3] Univ Barcelona, Dept Anim Biol, Barcelona, Spain

[4] Univ Barcelona, Biodivers Res Inst IRBio, Barcelona, Spain

[5] Scottish Marine Anim Stranding Scheme, SRUC Vet Serv Drummondhill, Inverness IV2 4JZ, Scotland

[6] Univ Exeter, Environm & Sustainabil Inst, Penryn TR10 9EZ, Cornwall, England

[7] Galway Mayo Inst Technol, Marine & Freshwater Res Ctr, Galway, Ireland

[8] CIRCE, Conservat Informat & Res Cetaceans, Algeciras 11390, Spain

[9] Univ Minho, Dept Biol, Soc Portuguesa Vida Selvagem, Marine Anim Tissue Bank Portugal, P-4719 Braga, Portugal

[10] CESAM, Oporto, Portugal

[11] Uppsala Univ, Evolutionary Biol Ctr, SE-75236 Uppsala, Sweden

[12] Morigenos Slovenian Marine Mammal Soc, Piran 6330, Slovenia

[13] Univ Primorska, Sci & Res Ctr, Inst Biodivers Studies, Koper, Slovenia

[14] Univ Primorska, Fac Math Nat Sci & Informat Technol, Dept Biodivers, Koper, Slovenia

[15] CSIC, EBD, Dept Conservat Biol, Seville 42092, Spain

[16] Cornwall Wildlife Trust Marine Strandings Network, Truro TR4 9DJ, England

[17] Coordinadora Estudio Mamiferos Marinos CEMMA, Gondomar 36380, Pontevedra, Spain

[18] Soc Estudios Cetaceos Canarias SECAC, Lanzarote, Spain

[19] Marine Environm Monitoring, Cardigan SA43 2PS, Ceredigion, England

[20] Nat Hist Museum, London SW7 5BD, England

[21] Univ Las Palmas Gran Canaria, Fac Vet, Gran Canaria, Spain

来源：

SCIENTIFIC REPORTS | 2016年 / 6卷

关键词：

PORPOISES PHOCOENA-PHOCOENA; BOTTLE-NOSED DOLPHINS; POLYCHLORINATED-BIPHENYLS; STENELLA-COERULEOALBA; STRIPED DOLPHIN; ORGANOCHLORINE CONCENTRATIONS; CETACEAN MORBILLIVIRUS; REPRODUCTIVE SUCCESS; TURSIOPS-TRUNCATUS; FLAME RETARDANTS;

D O I：

10.1038/srep18573

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Organochlorine (OC) pesticides and the more persistent polychlorinated biphenyls (PCBs) have well-established dose-dependent toxicities to birds, fish and mammals in experimental studies, but the actual impact of OC pollutants on European marine top predators remains unknown. Here we show that several cetacean species have very high mean blubber PCB concentrations likely to cause population declines and suppress population recovery. In a large pan-European meta-analysis of stranded (n = 929) or biopsied (n = 152) cetaceans, three out of four species:-striped dolphins (SDs), bottlenose dolphins (BNDs) and killer whales (KWs) had mean PCB levels that markedly exceeded all known marine mammal PCB toxicity thresholds. Some locations (e.g. western Mediterranean Sea, south-west Iberian Peninsula) are global PCB "hotspots" for marine mammals. Blubber PCB concentrations initially declined following a mid-1980s EU ban, but have since stabilised in UK harbour porpoises and SDs in the western Mediterranean Sea. Some small or declining populations of BNDs and KWs in the NE Atlantic were associated with low recruitment, consistent with PCB-induced reproductive toxicity. Despite regulations and mitigation measures to reduce PCB pollution, their biomagnification in marine food webs continues to cause severe impacts among cetacean top predators in European seas.

引用

页数：17

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