DNA Metabarcoding as a Marine Conservation and Management Tool: A Circumpolar Examination of Fishery Discards in the Diet of Threatened Albatrosses
| Autor(a) principal: | |
|---|---|
| Data de Publicação: | 2017 |
| Outros Autores: | , , , , , , , , , , , , |
| Tipo de documento: | Artigo |
| Idioma: | eng |
| Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
| Texto Completo: | http://hdl.handle.net/10400.12/6515 |
Resumo: | Material suplementar disponível em: http://journal.frontiersin.org/article/10.3389/fmars. 2017.00277/full#supplementary-material |
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DNA Metabarcoding as a Marine Conservation and Management Tool: A Circumpolar Examination of Fishery Discards in the Diet of Threatened AlbatrossesScatTrawl fisheryFisheries resource managementSouthern OceanThalassarche melanophrisSeabird-fishery interactionFish diversitySeabirdsMaterial suplementar disponível em: http://journal.frontiersin.org/article/10.3389/fmars. 2017.00277/full#supplementary-materialAlmost all of the world’s fisheries overlap spatially and temporally with foraging seabirds, with impacts that range from food supplementation (through scavenging behind vessels), to resource competition and incidental mortality. The nature and extent of interactions between seabirds and fisheries vary, as does the level and efficacy of management and mitigation. Seabird dietary studies provide information on prey diversity and often identify species that are also caught in fisheries, providing evidence of linkages which can be used to improve ecosystem based management of fisheries. However, species identification of fish can be difficult with conventional dietary techniques. The black-browed albatross (Thalassarche melanophris) has a circumpolar distribution and has suffered major population declines due primarily to incidental mortality in fisheries. We use DNA metabarcoding of black-browed albatross scats to investigate their fish prey during the breeding season at six sites across their range, over two seasons. We identify the spatial and temporal diversity of fish in their diets and overlaps with fisheries operating in adjacent waters. Across all sites, 51 fish species from 33 families were identified, with 23 species contributing >10% of the proportion of samples or sequences at any site. There was extensive geographic variation but little inter-annual variability in fish species consumed. Several fish species that are not easily accessible to albatross, but are commercially harvested or by-caught, were detected in the albatross diet during the breeding season. This was particularly evident at the Falkland Islands and Iles Kerguelen where higher fishery catch amounts (or discard amounts where known) corresponded to higher occurrence of these species in diet samples. This study indicates ongoing interactions with fisheries through consumption of fishery discards, increasing the risk of seabird mortality. Breeding success was higher at sites where fisheries discards were detected in the diet, highlighting the need to minimize discarding to reduce impacts on the ecosystem. DNA metabarcoding provides a valuable non-invasive tool for assessing the fish prey of seabirds across broad geographic ranges. This provides an avenue for fishery resource managers to assess compliance of fisheries with discard policies and the level of interaction with scavenging seabirds.Frontiers MediaRepositório do ISPAMcInnes, Julie C.Jarman, Simon NeilLea, Mary-AnneRaymond, BenDeagle, Bruce E.Phillips, Richard A.Catry, PauloStanworth, Andrew J.Weimerskirch, HenriKusch, AlejandroGras, MichaëlCherel, YvesMaschette, DaleAlderman, Rachael2018-07-19T09:58:46Z2017-08-31T00:00:00Z2017-08-31T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.12/6515engFrontiers in Marine Science, 4, 1-22. doi:10.3389/fmars.2017.002772296-774510.3389/fmars.2017.00277info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2022-09-05T16:42:14Zoai:repositorio.ispa.pt:10400.12/6515Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T15:24:21.692387Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
| dc.title.none.fl_str_mv |
DNA Metabarcoding as a Marine Conservation and Management Tool: A Circumpolar Examination of Fishery Discards in the Diet of Threatened Albatrosses |
| title |
DNA Metabarcoding as a Marine Conservation and Management Tool: A Circumpolar Examination of Fishery Discards in the Diet of Threatened Albatrosses |
| spellingShingle |
DNA Metabarcoding as a Marine Conservation and Management Tool: A Circumpolar Examination of Fishery Discards in the Diet of Threatened Albatrosses McInnes, Julie C. Scat Trawl fishery Fisheries resource management Southern Ocean Thalassarche melanophris Seabird-fishery interaction Fish diversity Seabirds |
| title_short |
DNA Metabarcoding as a Marine Conservation and Management Tool: A Circumpolar Examination of Fishery Discards in the Diet of Threatened Albatrosses |
| title_full |
DNA Metabarcoding as a Marine Conservation and Management Tool: A Circumpolar Examination of Fishery Discards in the Diet of Threatened Albatrosses |
| title_fullStr |
DNA Metabarcoding as a Marine Conservation and Management Tool: A Circumpolar Examination of Fishery Discards in the Diet of Threatened Albatrosses |
| title_full_unstemmed |
DNA Metabarcoding as a Marine Conservation and Management Tool: A Circumpolar Examination of Fishery Discards in the Diet of Threatened Albatrosses |
| title_sort |
DNA Metabarcoding as a Marine Conservation and Management Tool: A Circumpolar Examination of Fishery Discards in the Diet of Threatened Albatrosses |
| author |
McInnes, Julie C. |
| author_facet |
McInnes, Julie C. Jarman, Simon Neil Lea, Mary-Anne Raymond, Ben Deagle, Bruce E. Phillips, Richard A. Catry, Paulo Stanworth, Andrew J. Weimerskirch, Henri Kusch, Alejandro Gras, Michaël Cherel, Yves Maschette, Dale Alderman, Rachael |
| author_role |
author |
| author2 |
Jarman, Simon Neil Lea, Mary-Anne Raymond, Ben Deagle, Bruce E. Phillips, Richard A. Catry, Paulo Stanworth, Andrew J. Weimerskirch, Henri Kusch, Alejandro Gras, Michaël Cherel, Yves Maschette, Dale Alderman, Rachael |
| author2_role |
author author author author author author author author author author author author author |
| dc.contributor.none.fl_str_mv |
Repositório do ISPA |
| dc.contributor.author.fl_str_mv |
McInnes, Julie C. Jarman, Simon Neil Lea, Mary-Anne Raymond, Ben Deagle, Bruce E. Phillips, Richard A. Catry, Paulo Stanworth, Andrew J. Weimerskirch, Henri Kusch, Alejandro Gras, Michaël Cherel, Yves Maschette, Dale Alderman, Rachael |
| dc.subject.por.fl_str_mv |
Scat Trawl fishery Fisheries resource management Southern Ocean Thalassarche melanophris Seabird-fishery interaction Fish diversity Seabirds |
| topic |
Scat Trawl fishery Fisheries resource management Southern Ocean Thalassarche melanophris Seabird-fishery interaction Fish diversity Seabirds |
| description |
Material suplementar disponível em: http://journal.frontiersin.org/article/10.3389/fmars. 2017.00277/full#supplementary-material |
| publishDate |
2017 |
| dc.date.none.fl_str_mv |
2017-08-31T00:00:00Z 2017-08-31T00:00:00Z 2018-07-19T09:58:46Z |
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info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/article |
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article |
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publishedVersion |
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http://hdl.handle.net/10400.12/6515 |
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http://hdl.handle.net/10400.12/6515 |
| dc.language.iso.fl_str_mv |
eng |
| language |
eng |
| dc.relation.none.fl_str_mv |
Frontiers in Marine Science, 4, 1-22. doi:10.3389/fmars.2017.00277 2296-7745 10.3389/fmars.2017.00277 |
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info:eu-repo/semantics/openAccess |
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openAccess |
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application/pdf |
| dc.publisher.none.fl_str_mv |
Frontiers Media |
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Frontiers Media |
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reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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RCAAP |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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