Persistent organic pollutants in killer whales (Orcinus orca) of the Russian Far East
Exposure to persistent organic pollutants (POPs) is a key factor in predicting the collapse of global killer whale (Orcinus orca) populations due to reproductive and immune impacts. Blubber biopsies from killer whales (n = 25) were collected in the Russian Far East in 2002–2004. Biopsies were analyz...
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| description | Exposure to persistent organic pollutants (POPs) is a key factor in predicting the collapse of global killer whale (Orcinus orca) populations due to reproductive and immune impacts. Blubber biopsies from killer whales (n = 25) were collected in the Russian Far East in 2002–2004. Biopsies were analyzed for ΣDDT, ΣPCB, and HCB concentrations. A subset of biopsies was further examined for additional contaminants, ΣPBDE, ΣHCH, ΣCHLD, mirex, and dieldrin. Mean concentrations were compared across resident (fish-eating) and transient (mammal-eating) ecotypes and between sexes. ΣPCB analytes (resident males 18,000, resident females 1200, and transient males 420,000 ng g−1 lw) and HCB (resident males 750, resident females 81, and transient males 6200 ng g−1 lw) differed significantly (p |
| doi_str_mv | 10.1016/j.marpolbul.2019.110593 |
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•Blubber biopsies from killer whales in the Russian Far East were analyzed for organic contaminants.•PCBs and HCB were higher in transient (mammal-eating) than resident (fish-eating) killer whales.•Female resident killer whales had the lowest blubber contaminant levels.•Hexachlorinated PCBs and p,p’-DDE were the most prevalent homologs measured.•Biomagnification of POPs makes killer whales excellent sentinels of Arctic ecosystem health.</description><identifier>ISSN: 0025-326X</identifier><identifier>EISSN: 1879-3363</identifier><identifier>DOI: 10.1016/j.marpolbul.2019.110593</identifier><identifier>PMID: 31550574</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Adipose Tissue - chemistry ; Animals ; Aquatic mammals ; Bioaccumulation ; Biopsy ; Blubber ; Collapse ; Contaminants ; Delphinidae ; Dichlorodiphenyl Dichloroethylene - analysis ; Dieldrin ; Dolphins ; Eating ; Ecotypes ; Environmental Exposure ; Environmental Monitoring ; Female ; Females ; Fish ; Halogenated Diphenyl Ethers - analysis ; Hydrocarbons, Chlorinated - analysis ; Killer whales ; Male ; Males ; Marine mammals ; Mirex ; Orcinus orca ; PCB ; Persistent organic pollutants ; Pesticides - analysis ; Pollutants ; Pollution load ; Polychlorinated biphenyls ; Polychlorinated Biphenyls - analysis ; Russia ; Russian Far East ; Water Pollutants, Chemical - analysis ; Whale, Killer</subject><ispartof>Marine pollution bulletin, 2019-12, Vol.149, p.110593, Article 110593</ispartof><rights>2019 Elsevier Ltd</rights><rights>Copyright © 2019 Elsevier Ltd. All rights reserved.</rights><rights>Copyright Elsevier BV Dec 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c448t-d40d7d3756bc4d3502df75de7d63f3a53aef2c07e68fede63ada825bc97dca7d3</citedby><cites>FETCH-LOGICAL-c448t-d40d7d3756bc4d3502df75de7d63f3a53aef2c07e68fede63ada825bc97dca7d3</cites><orcidid>0000-0003-1536-9209</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0025326X19307416$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31550574$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Atkinson, Shannon</creatorcontrib><creatorcontrib>Branson, Maile</creatorcontrib><creatorcontrib>Burdin, Alexander</creatorcontrib><creatorcontrib>Boyd, Daryle</creatorcontrib><creatorcontrib>Ylitalo, Gina M.</creatorcontrib><title>Persistent organic pollutants in killer whales (Orcinus orca) of the Russian Far East</title><title>Marine pollution bulletin</title><addtitle>Mar Pollut Bull</addtitle><description>Exposure to persistent organic pollutants (POPs) is a key factor in predicting the collapse of global killer whale (Orcinus orca) populations due to reproductive and immune impacts. Blubber biopsies from killer whales (n = 25) were collected in the Russian Far East in 2002–2004. Biopsies were analyzed for ΣDDT, ΣPCB, and HCB concentrations. A subset of biopsies was further examined for additional contaminants, ΣPBDE, ΣHCH, ΣCHLD, mirex, and dieldrin. Mean concentrations were compared across resident (fish-eating) and transient (mammal-eating) ecotypes and between sexes. ΣPCB analytes (resident males 18,000, resident females 1200, and transient males 420,000 ng g−1 lw) and HCB (resident males 750, resident females 81, and transient males 6200 ng g−1 lw) differed significantly (p < 0.001). No significant difference was observed between sexes. Notable disparities in contaminant levels between ecotypes support the major toxicological theories of contaminant bioaccumulation and dietary impacts on individual contaminant load.
•Blubber biopsies from killer whales in the Russian Far East were analyzed for organic contaminants.•PCBs and HCB were higher in transient (mammal-eating) than resident (fish-eating) killer whales.•Female resident killer whales had the lowest blubber contaminant levels.•Hexachlorinated PCBs and p,p’-DDE were the most prevalent homologs measured.•Biomagnification of POPs makes killer whales excellent sentinels of Arctic ecosystem health.</description><subject>Adipose Tissue - chemistry</subject><subject>Animals</subject><subject>Aquatic mammals</subject><subject>Bioaccumulation</subject><subject>Biopsy</subject><subject>Blubber</subject><subject>Collapse</subject><subject>Contaminants</subject><subject>Delphinidae</subject><subject>Dichlorodiphenyl Dichloroethylene - analysis</subject><subject>Dieldrin</subject><subject>Dolphins</subject><subject>Eating</subject><subject>Ecotypes</subject><subject>Environmental Exposure</subject><subject>Environmental Monitoring</subject><subject>Female</subject><subject>Females</subject><subject>Fish</subject><subject>Halogenated Diphenyl Ethers - analysis</subject><subject>Hydrocarbons, Chlorinated - analysis</subject><subject>Killer whales</subject><subject>Male</subject><subject>Males</subject><subject>Marine mammals</subject><subject>Mirex</subject><subject>Orcinus orca</subject><subject>PCB</subject><subject>Persistent organic pollutants</subject><subject>Pesticides - analysis</subject><subject>Pollutants</subject><subject>Pollution load</subject><subject>Polychlorinated biphenyls</subject><subject>Polychlorinated Biphenyls - analysis</subject><subject>Russia</subject><subject>Russian Far East</subject><subject>Water Pollutants, Chemical - analysis</subject><subject>Whale, Killer</subject><issn>0025-326X</issn><issn>1879-3363</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkEtLAzEUhYMoWqt_QQNudDE1j8mks5TiCwoVseAuZJI7mnGcqUlG8d-b0urW1d185xzuh9ApJRNKaHHZTN61X_VtNbQTRmg5oZSIku-gEZ3KMuO84LtoRAgTGWfF8wE6DKEhhEgm6T464FQIImQ-QssH8MGFCF3EvX_RnTM49bZD1F0M2HX4zbUtePz1qlsI-HzhjeuGkGCjL3Bf4_gK-HEIwekO32iPr3WIR2iv1m2A4-0do-XN9dPsLpsvbu9nV_PM5Pk0ZjYnVlouRVGZ3HJBmK2lsCBtwWuuBddQM0MkFNMaLBRcWz1lojKltEan5BidbXpXvv8YIETV9IPv0qRinEnOCClpouSGMr4PwUOtVt4lf9-KErXWqRr1p1OtdaqNzpQ82fYP1TvYv9yvvwRcbQBIX3468CoYB50B6zyYqGzv_h35AeCwi5k</recordid><startdate>201912</startdate><enddate>201912</enddate><creator>Atkinson, Shannon</creator><creator>Branson, Maile</creator><creator>Burdin, Alexander</creator><creator>Boyd, Daryle</creator><creator>Ylitalo, Gina M.</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7T7</scope><scope>7TN</scope><scope>7TV</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0003-1536-9209</orcidid></search><sort><creationdate>201912</creationdate><title>Persistent organic pollutants in killer whales (Orcinus orca) of the Russian Far East</title><author>Atkinson, Shannon ; Branson, Maile ; Burdin, Alexander ; Boyd, Daryle ; Ylitalo, Gina M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c448t-d40d7d3756bc4d3502df75de7d63f3a53aef2c07e68fede63ada825bc97dca7d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Adipose Tissue - chemistry</topic><topic>Animals</topic><topic>Aquatic mammals</topic><topic>Bioaccumulation</topic><topic>Biopsy</topic><topic>Blubber</topic><topic>Collapse</topic><topic>Contaminants</topic><topic>Delphinidae</topic><topic>Dichlorodiphenyl Dichloroethylene - analysis</topic><topic>Dieldrin</topic><topic>Dolphins</topic><topic>Eating</topic><topic>Ecotypes</topic><topic>Environmental Exposure</topic><topic>Environmental Monitoring</topic><topic>Female</topic><topic>Females</topic><topic>Fish</topic><topic>Halogenated Diphenyl Ethers - analysis</topic><topic>Hydrocarbons, Chlorinated - analysis</topic><topic>Killer whales</topic><topic>Male</topic><topic>Males</topic><topic>Marine mammals</topic><topic>Mirex</topic><topic>Orcinus orca</topic><topic>PCB</topic><topic>Persistent organic pollutants</topic><topic>Pesticides - analysis</topic><topic>Pollutants</topic><topic>Pollution load</topic><topic>Polychlorinated biphenyls</topic><topic>Polychlorinated Biphenyls - analysis</topic><topic>Russia</topic><topic>Russian Far East</topic><topic>Water Pollutants, Chemical - analysis</topic><topic>Whale, Killer</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Atkinson, Shannon</creatorcontrib><creatorcontrib>Branson, Maile</creatorcontrib><creatorcontrib>Burdin, Alexander</creatorcontrib><creatorcontrib>Boyd, Daryle</creatorcontrib><creatorcontrib>Ylitalo, Gina M.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Oceanic Abstracts</collection><collection>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Marine pollution bulletin</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Atkinson, Shannon</au><au>Branson, Maile</au><au>Burdin, Alexander</au><au>Boyd, Daryle</au><au>Ylitalo, Gina M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Persistent organic pollutants in killer whales (Orcinus orca) of the Russian Far East</atitle><jtitle>Marine pollution bulletin</jtitle><addtitle>Mar Pollut Bull</addtitle><date>2019-12</date><risdate>2019</risdate><volume>149</volume><spage>110593</spage><pages>110593-</pages><artnum>110593</artnum><issn>0025-326X</issn><eissn>1879-3363</eissn><abstract>Exposure to persistent organic pollutants (POPs) is a key factor in predicting the collapse of global killer whale (Orcinus orca) populations due to reproductive and immune impacts. Blubber biopsies from killer whales (n = 25) were collected in the Russian Far East in 2002–2004. Biopsies were analyzed for ΣDDT, ΣPCB, and HCB concentrations. A subset of biopsies was further examined for additional contaminants, ΣPBDE, ΣHCH, ΣCHLD, mirex, and dieldrin. Mean concentrations were compared across resident (fish-eating) and transient (mammal-eating) ecotypes and between sexes. ΣPCB analytes (resident males 18,000, resident females 1200, and transient males 420,000 ng g−1 lw) and HCB (resident males 750, resident females 81, and transient males 6200 ng g−1 lw) differed significantly (p < 0.001). No significant difference was observed between sexes. Notable disparities in contaminant levels between ecotypes support the major toxicological theories of contaminant bioaccumulation and dietary impacts on individual contaminant load.
•Blubber biopsies from killer whales in the Russian Far East were analyzed for organic contaminants.•PCBs and HCB were higher in transient (mammal-eating) than resident (fish-eating) killer whales.•Female resident killer whales had the lowest blubber contaminant levels.•Hexachlorinated PCBs and p,p’-DDE were the most prevalent homologs measured.•Biomagnification of POPs makes killer whales excellent sentinels of Arctic ecosystem health.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>31550574</pmid><doi>10.1016/j.marpolbul.2019.110593</doi><orcidid>https://orcid.org/0000-0003-1536-9209</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Adipose Tissue - chemistry Animals Aquatic mammals Bioaccumulation Biopsy Blubber Collapse Contaminants Delphinidae Dichlorodiphenyl Dichloroethylene - analysis Dieldrin Dolphins Eating Ecotypes Environmental Exposure Environmental Monitoring Female Females Fish Halogenated Diphenyl Ethers - analysis Hydrocarbons, Chlorinated - analysis Killer whales Male Males Marine mammals Mirex Orcinus orca PCB Persistent organic pollutants Pesticides - analysis Pollutants Pollution load Polychlorinated biphenyls Polychlorinated Biphenyls - analysis Russia Russian Far East Water Pollutants, Chemical - analysis Whale, Killer |
| title | Persistent organic pollutants in killer whales (Orcinus orca) of the Russian Far East |
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