Causes of Stranding and Mortality, and Final Disposition of Loggerhead Sea Turtles (Caretta caretta) Admitted to a Wildlife Rehabilitation Center in Gran Canaria Island, Spain (1998-2014): A Long-Term Retrospective Study
The aims of this study were to analyze the causes of stranding of 1,860 loggerhead turtles (Caretta caretta) admitted at the Tafira Wildlife Rehabilitation Center in Gran Canaria Island, Spain, from 1998 to 2014, and to analyze the outcomes of the rehabilitation process to allow meaningful auditing...
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| description | The aims of this study were to analyze the causes of stranding of 1,860 loggerhead turtles (Caretta caretta) admitted at the Tafira Wildlife Rehabilitation Center in Gran Canaria Island, Spain, from 1998 to 2014, and to analyze the outcomes of the rehabilitation process to allow meaningful auditing of its quality.
Primary causes of morbidity were classified into seven categories: entanglement in fishing gear and/or plastics, ingestion of hooks and monofilament lines, trauma, infectious disease, crude oil, other causes, and unknown/undetermined. Final dispositions were calculated as euthanasia (Er), unassisted mortality (Mr), and release (Rr) rates. Time to death (Td) for euthanized and dead turtles, and length of stay for released (Tr) turtles were evaluated.
The most frequent causes of morbidity were entanglement in fishing gear and/or plastics (50.81%), unknown/undetermined (20.37%), and ingestion of hooks (11.88%). The final disposition of the 1,634 loggerhead turtles admitted alive were: Er = 3.37%, Mr = 10.34%, and Rr = 86.29%. Er was significantly higher in the trauma category (18.67%) compared to the other causes of admission. The highest Mr was observed for turtles admitted due to trauma (30.67%). The highest Rr was observed in the crude oil (93.87%) and entanglement (92.38%) categories. The median Tr ranged from 12 days (unknown) to 70 days (trauma).
This survey is the first large-scale epidemiological study on causes of stranding and mortality of Eastern Atlantic loggerheads and demonstrates that at least 71.72% of turtles stranded due to anthropogenic causes. The high Rr (86.29%) emphasizes the importance of marine rehabilitation centers for conservation purposes. The stratified analysis by causes of admission of the three final disposition rates, and the parameters Td and Tr should be included in the outcome research of the rehabilitation process of sea turtles in order to allow comparative studies between marine rehabilitation centers around the world. |
| doi_str_mv | 10.1371/journal.pone.0149398 |
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Primary causes of morbidity were classified into seven categories: entanglement in fishing gear and/or plastics, ingestion of hooks and monofilament lines, trauma, infectious disease, crude oil, other causes, and unknown/undetermined. Final dispositions were calculated as euthanasia (Er), unassisted mortality (Mr), and release (Rr) rates. Time to death (Td) for euthanized and dead turtles, and length of stay for released (Tr) turtles were evaluated.
The most frequent causes of morbidity were entanglement in fishing gear and/or plastics (50.81%), unknown/undetermined (20.37%), and ingestion of hooks (11.88%). The final disposition of the 1,634 loggerhead turtles admitted alive were: Er = 3.37%, Mr = 10.34%, and Rr = 86.29%. Er was significantly higher in the trauma category (18.67%) compared to the other causes of admission. The highest Mr was observed for turtles admitted due to trauma (30.67%). The highest Rr was observed in the crude oil (93.87%) and entanglement (92.38%) categories. The median Tr ranged from 12 days (unknown) to 70 days (trauma).
This survey is the first large-scale epidemiological study on causes of stranding and mortality of Eastern Atlantic loggerheads and demonstrates that at least 71.72% of turtles stranded due to anthropogenic causes. The high Rr (86.29%) emphasizes the importance of marine rehabilitation centers for conservation purposes. The stratified analysis by causes of admission of the three final disposition rates, and the parameters Td and Tr should be included in the outcome research of the rehabilitation process of sea turtles in order to allow comparative studies between marine rehabilitation centers around the world.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0149398</identifier><identifier>PMID: 26901623</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Animal attacks ; Animals ; Anthropogenic factors ; Aquatic reptiles ; Biology and Life Sciences ; Caretta caretta ; Chelonia mydas ; Comparative studies ; Conservation ; Crude oil ; Dermochelys coriacea ; Endangered Species ; Engineering and Technology ; Entanglement ; Epidemiology ; Eretmochelys imbricata ; Euthanasia ; Fishing ; Fishing gear ; Hooks ; Infectious diseases ; Ingestion ; Lepidochelys kempii ; Lepidochelys olivacea ; Malnutrition ; Medical prognosis ; Medical screening ; Medicine and Health Sciences ; Morbidity ; Morphology ; Mortality ; Natator depressus ; People and Places ; Physical Sciences ; Polymers ; Rehabilitation ; Retrospective Studies ; Sea turtles ; Spain ; Stranding ; Studies ; Trauma ; Turtles ; Wildlife ; Wildlife conservation</subject><ispartof>PloS one, 2016-02, Vol.11 (2), p.e0149398-e0149398</ispartof><rights>2016 Orós et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2016 Orós et al 2016 Orós et al</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c526t-bd6e30f7cd72194b82fba027750b124dd65fe09b95c19953fc35103f128b4c553</citedby><cites>FETCH-LOGICAL-c526t-bd6e30f7cd72194b82fba027750b124dd65fe09b95c19953fc35103f128b4c553</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4763070/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4763070/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,2102,2928,23866,27924,27925,53791,53793,79600,79601</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26901623$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Ambrósio, Carlos E.</contributor><creatorcontrib>Orós, Jorge</creatorcontrib><creatorcontrib>Montesdeoca, Natalia</creatorcontrib><creatorcontrib>Camacho, María</creatorcontrib><creatorcontrib>Arencibia, Alberto</creatorcontrib><creatorcontrib>Calabuig, Pascual</creatorcontrib><title>Causes of Stranding and Mortality, and Final Disposition of Loggerhead Sea Turtles (Caretta caretta) Admitted to a Wildlife Rehabilitation Center in Gran Canaria Island, Spain (1998-2014): A Long-Term Retrospective Study</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>The aims of this study were to analyze the causes of stranding of 1,860 loggerhead turtles (Caretta caretta) admitted at the Tafira Wildlife Rehabilitation Center in Gran Canaria Island, Spain, from 1998 to 2014, and to analyze the outcomes of the rehabilitation process to allow meaningful auditing of its quality.
Primary causes of morbidity were classified into seven categories: entanglement in fishing gear and/or plastics, ingestion of hooks and monofilament lines, trauma, infectious disease, crude oil, other causes, and unknown/undetermined. Final dispositions were calculated as euthanasia (Er), unassisted mortality (Mr), and release (Rr) rates. Time to death (Td) for euthanized and dead turtles, and length of stay for released (Tr) turtles were evaluated.
The most frequent causes of morbidity were entanglement in fishing gear and/or plastics (50.81%), unknown/undetermined (20.37%), and ingestion of hooks (11.88%). The final disposition of the 1,634 loggerhead turtles admitted alive were: Er = 3.37%, Mr = 10.34%, and Rr = 86.29%. Er was significantly higher in the trauma category (18.67%) compared to the other causes of admission. The highest Mr was observed for turtles admitted due to trauma (30.67%). The highest Rr was observed in the crude oil (93.87%) and entanglement (92.38%) categories. The median Tr ranged from 12 days (unknown) to 70 days (trauma).
This survey is the first large-scale epidemiological study on causes of stranding and mortality of Eastern Atlantic loggerheads and demonstrates that at least 71.72% of turtles stranded due to anthropogenic causes. The high Rr (86.29%) emphasizes the importance of marine rehabilitation centers for conservation purposes. The stratified analysis by causes of admission of the three final disposition rates, and the parameters Td and Tr should be included in the outcome research of the rehabilitation process of sea turtles in order to allow comparative studies between marine rehabilitation centers around the world.</description><subject>Animal attacks</subject><subject>Animals</subject><subject>Anthropogenic factors</subject><subject>Aquatic reptiles</subject><subject>Biology and Life Sciences</subject><subject>Caretta caretta</subject><subject>Chelonia mydas</subject><subject>Comparative studies</subject><subject>Conservation</subject><subject>Crude oil</subject><subject>Dermochelys coriacea</subject><subject>Endangered Species</subject><subject>Engineering and Technology</subject><subject>Entanglement</subject><subject>Epidemiology</subject><subject>Eretmochelys imbricata</subject><subject>Euthanasia</subject><subject>Fishing</subject><subject>Fishing 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of Stranding and Mortality, and Final Disposition of Loggerhead Sea Turtles (Caretta caretta) Admitted to a Wildlife Rehabilitation Center in Gran Canaria Island, Spain (1998-2014): A Long-Term Retrospective Study</title><author>Orós, Jorge ; Montesdeoca, Natalia ; Camacho, María ; Arencibia, Alberto ; Calabuig, Pascual</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c526t-bd6e30f7cd72194b82fba027750b124dd65fe09b95c19953fc35103f128b4c553</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Animal attacks</topic><topic>Animals</topic><topic>Anthropogenic factors</topic><topic>Aquatic reptiles</topic><topic>Biology and Life Sciences</topic><topic>Caretta caretta</topic><topic>Chelonia mydas</topic><topic>Comparative studies</topic><topic>Conservation</topic><topic>Crude oil</topic><topic>Dermochelys coriacea</topic><topic>Endangered Species</topic><topic>Engineering and 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Natalia</au><au>Camacho, María</au><au>Arencibia, Alberto</au><au>Calabuig, Pascual</au><au>Ambrósio, Carlos E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Causes of Stranding and Mortality, and Final Disposition of Loggerhead Sea Turtles (Caretta caretta) Admitted to a Wildlife Rehabilitation Center in Gran Canaria Island, Spain (1998-2014): A Long-Term Retrospective Study</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2016-02-22</date><risdate>2016</risdate><volume>11</volume><issue>2</issue><spage>e0149398</spage><epage>e0149398</epage><pages>e0149398-e0149398</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>The aims of this study were to analyze the causes of stranding of 1,860 loggerhead turtles (Caretta caretta) admitted at the Tafira Wildlife Rehabilitation Center in Gran Canaria Island, Spain, from 1998 to 2014, and to analyze the outcomes of the rehabilitation process to allow meaningful auditing of its quality.
Primary causes of morbidity were classified into seven categories: entanglement in fishing gear and/or plastics, ingestion of hooks and monofilament lines, trauma, infectious disease, crude oil, other causes, and unknown/undetermined. Final dispositions were calculated as euthanasia (Er), unassisted mortality (Mr), and release (Rr) rates. Time to death (Td) for euthanized and dead turtles, and length of stay for released (Tr) turtles were evaluated.
The most frequent causes of morbidity were entanglement in fishing gear and/or plastics (50.81%), unknown/undetermined (20.37%), and ingestion of hooks (11.88%). The final disposition of the 1,634 loggerhead turtles admitted alive were: Er = 3.37%, Mr = 10.34%, and Rr = 86.29%. Er was significantly higher in the trauma category (18.67%) compared to the other causes of admission. The highest Mr was observed for turtles admitted due to trauma (30.67%). The highest Rr was observed in the crude oil (93.87%) and entanglement (92.38%) categories. The median Tr ranged from 12 days (unknown) to 70 days (trauma).
This survey is the first large-scale epidemiological study on causes of stranding and mortality of Eastern Atlantic loggerheads and demonstrates that at least 71.72% of turtles stranded due to anthropogenic causes. The high Rr (86.29%) emphasizes the importance of marine rehabilitation centers for conservation purposes. The stratified analysis by causes of admission of the three final disposition rates, and the parameters Td and Tr should be included in the outcome research of the rehabilitation process of sea turtles in order to allow comparative studies between marine rehabilitation centers around the world.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>26901623</pmid><doi>10.1371/journal.pone.0149398</doi><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1932-6203 |
| ispartof | PloS one, 2016-02, Vol.11 (2), p.e0149398-e0149398 |
| issn | 1932-6203 1932-6203 |
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| source | MEDLINE; DOAJ Directory of Open Access Journals; Public Library of Science (PLoS) Journals Open Access; EZB-FREE-00999 freely available EZB journals; PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Animal attacks Animals Anthropogenic factors Aquatic reptiles Biology and Life Sciences Caretta caretta Chelonia mydas Comparative studies Conservation Crude oil Dermochelys coriacea Endangered Species Engineering and Technology Entanglement Epidemiology Eretmochelys imbricata Euthanasia Fishing Fishing gear Hooks Infectious diseases Ingestion Lepidochelys kempii Lepidochelys olivacea Malnutrition Medical prognosis Medical screening Medicine and Health Sciences Morbidity Morphology Mortality Natator depressus People and Places Physical Sciences Polymers Rehabilitation Retrospective Studies Sea turtles Spain Stranding Studies Trauma Turtles Wildlife Wildlife conservation |
| title | Causes of Stranding and Mortality, and Final Disposition of Loggerhead Sea Turtles (Caretta caretta) Admitted to a Wildlife Rehabilitation Center in Gran Canaria Island, Spain (1998-2014): A Long-Term Retrospective Study |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-28T22%3A24%3A14IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_plos_&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Causes%20of%20Stranding%20and%20Mortality,%20and%20Final%20Disposition%20of%20Loggerhead%20Sea%20Turtles%20(Caretta%20caretta)%20Admitted%20to%20a%20Wildlife%20Rehabilitation%20Center%20in%20Gran%20Canaria%20Island,%20Spain%20(1998-2014):%20A%20Long-Term%20Retrospective%20Study&rft.jtitle=PloS%20one&rft.au=Or%C3%B3s,%20Jorge&rft.date=2016-02-22&rft.volume=11&rft.issue=2&rft.spage=e0149398&rft.epage=e0149398&rft.pages=e0149398-e0149398&rft.issn=1932-6203&rft.eissn=1932-6203&rft_id=info:doi/10.1371/journal.pone.0149398&rft_dat=%3Cproquest_plos_%3E1767916563%3C/proquest_plos_%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=1950593073&rft_id=info:pmid/26901623&rft_doaj_id=oai_doaj_org_article_2a10792b9a7243d4882a196134a1cf37&rfr_iscdi=true |