Unveiling the unknown phylogenetic position of the scallop Austrochlamys natans and its implications for marine stewardship in the Magallanes Province

Abstract Two species of scallop, Austrochlamys natans (“Ostión del Sur”) and Zygochlamys patagonica (“Ostión patagonico”) are presently exploited in the southern part of the Magallanes Province (MP). The lack of clarity in taxonomic identification and ecological aspects is generating both erroneous...

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Autores principales:	Sebastián Rosenfeld, Cristian Aldea, Zambra López, Claudia S. Maturana, Jaime Ojeda, Francisco Bahamonde, Camille Detrée, Andrés Mansilla, Elie Poulin, Karin Gérard
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b441ad8eb36c42298aad5e9ce0015f9c
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spelling	oai:doaj.org-article:b441ad8eb36c42298aad5e9ce0015f9c2021-12-02T14:23:13ZUnveiling the unknown phylogenetic position of the scallop Austrochlamys natans and its implications for marine stewardship in the Magallanes Province10.1038/s41598-021-86492-92045-2322https://doaj.org/article/b441ad8eb36c42298aad5e9ce0015f9c2021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86492-9https://doaj.org/toc/2045-2322Abstract Two species of scallop, Austrochlamys natans (“Ostión del Sur”) and Zygochlamys patagonica (“Ostión patagonico”) are presently exploited in the southern part of the Magallanes Province (MP). The lack of clarity in taxonomic identification and ecological aspects is generating both erroneous extraction statistics and an unperceived harvesting pressure on A. natans and Z. patagonica. We aim to discriminate these Magallanes scallops accurately, improve our understanding of their complex natural history and discuss possible implications for their management and conservation status, given the current fisheries statistics. To achieve these goals, we present a complete review of the historical identification of the Magallanes scallop and a multi-locus molecular phylogeny which allowed us to recover the phylogenetic position of A. natans. We sampled 54 individuals from five localities across the southern Pacific coast of the MP. We calculated the depth of the byssal notch (BND) and shell height (VH) ratio from morphological characters and conducted phylogenetic reconstructions with mitochondrial (12S and 16S) and nuclear markers (28S) using Bayesian and maximum likelihood analyses. Both morphology and molecular phylogeny identified two distinct entities, Z. patagonica and a distinct, highly divergent lineage that corresponds to A. natans. Our study provides integrative evidence to alert the current fishery management and the need for further conservation studies.Sebastián RosenfeldCristian AldeaZambra LópezClaudia S. MaturanaJaime OjedaFrancisco BahamondeCamille DetréeAndrés MansillaElie PoulinKarin GérardNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sebastián Rosenfeld Cristian Aldea Zambra López Claudia S. Maturana Jaime Ojeda Francisco Bahamonde Camille Detrée Andrés Mansilla Elie Poulin Karin Gérard Unveiling the unknown phylogenetic position of the scallop Austrochlamys natans and its implications for marine stewardship in the Magallanes Province
description	Abstract Two species of scallop, Austrochlamys natans (“Ostión del Sur”) and Zygochlamys patagonica (“Ostión patagonico”) are presently exploited in the southern part of the Magallanes Province (MP). The lack of clarity in taxonomic identification and ecological aspects is generating both erroneous extraction statistics and an unperceived harvesting pressure on A. natans and Z. patagonica. We aim to discriminate these Magallanes scallops accurately, improve our understanding of their complex natural history and discuss possible implications for their management and conservation status, given the current fisheries statistics. To achieve these goals, we present a complete review of the historical identification of the Magallanes scallop and a multi-locus molecular phylogeny which allowed us to recover the phylogenetic position of A. natans. We sampled 54 individuals from five localities across the southern Pacific coast of the MP. We calculated the depth of the byssal notch (BND) and shell height (VH) ratio from morphological characters and conducted phylogenetic reconstructions with mitochondrial (12S and 16S) and nuclear markers (28S) using Bayesian and maximum likelihood analyses. Both morphology and molecular phylogeny identified two distinct entities, Z. patagonica and a distinct, highly divergent lineage that corresponds to A. natans. Our study provides integrative evidence to alert the current fishery management and the need for further conservation studies.
format	article
author	Sebastián Rosenfeld Cristian Aldea Zambra López Claudia S. Maturana Jaime Ojeda Francisco Bahamonde Camille Detrée Andrés Mansilla Elie Poulin Karin Gérard
author_facet	Sebastián Rosenfeld Cristian Aldea Zambra López Claudia S. Maturana Jaime Ojeda Francisco Bahamonde Camille Detrée Andrés Mansilla Elie Poulin Karin Gérard
author_sort	Sebastián Rosenfeld
title	Unveiling the unknown phylogenetic position of the scallop Austrochlamys natans and its implications for marine stewardship in the Magallanes Province
title_short	Unveiling the unknown phylogenetic position of the scallop Austrochlamys natans and its implications for marine stewardship in the Magallanes Province
title_full	Unveiling the unknown phylogenetic position of the scallop Austrochlamys natans and its implications for marine stewardship in the Magallanes Province
title_fullStr	Unveiling the unknown phylogenetic position of the scallop Austrochlamys natans and its implications for marine stewardship in the Magallanes Province
title_full_unstemmed	Unveiling the unknown phylogenetic position of the scallop Austrochlamys natans and its implications for marine stewardship in the Magallanes Province
title_sort	unveiling the unknown phylogenetic position of the scallop austrochlamys natans and its implications for marine stewardship in the magallanes province
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/b441ad8eb36c42298aad5e9ce0015f9c
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Unveiling the unknown phylogenetic position of the scallop Austrochlamys natans and its implications for marine stewardship in the Magallanes Province

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