Genetic patterns in Mugil cephalus and implications for fisheries and aquaculture management

Abstract Exploitation of fisheries and aquaculture practices are exposing marine fish populations to increasing genetic risks. Therefore, the integration of genetic information into fisheries and aquaculture management is becoming crucial to ensure species’ long-term persistence. The raising commerc...

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Autores principales:	Piero Cossu, Laura Mura, Fabio Scarpa, Tiziana Lai, Daria Sanna, Ilenia Azzena, Nicola Fois, Marco Casu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/eb774560bab54ca58d38380098ba1939
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spelling	oai:doaj.org-article:eb774560bab54ca58d38380098ba19392021-12-02T14:06:11ZGenetic patterns in Mugil cephalus and implications for fisheries and aquaculture management10.1038/s41598-021-82515-72045-2322https://doaj.org/article/eb774560bab54ca58d38380098ba19392021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-82515-7https://doaj.org/toc/2045-2322Abstract Exploitation of fisheries and aquaculture practices are exposing marine fish populations to increasing genetic risks. Therefore, the integration of genetic information into fisheries and aquaculture management is becoming crucial to ensure species’ long-term persistence. The raising commercial value of grey mullet (Mugil cephalus) and its roe represents a growing challenge to the sustainable management of this economically important fishery resource. Here, microsatellites were used to investigate patterns of genetic variation in a Mediterranean area that harbor flourishing fisheries and practice semi-intensive farming of grey mullet. Genetic diversity within populations is smaller than values reported in previous studies as a result of the lower polymorphism displayed by the new microsatellite loci. Lack of genetic structuring points to the existence of a unique genetic stock, which is consistent with the species’ high dispersal capabilities. Nonetheless, differences in local population effective size as well as the excess of related individuals do not completely fit the picture of a large panmictic population. Baseline genetic information here gathered will allow to set up the genetic monitoring of regional fish stocks, which is needed to assess the impact of both harvesting and aquaculture on the genetic integrity of Mugil cephalus wild populations.Piero CossuLaura MuraFabio ScarpaTiziana LaiDaria SannaIlenia AzzenaNicola FoisMarco CasuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Piero Cossu Laura Mura Fabio Scarpa Tiziana Lai Daria Sanna Ilenia Azzena Nicola Fois Marco Casu Genetic patterns in Mugil cephalus and implications for fisheries and aquaculture management
description	Abstract Exploitation of fisheries and aquaculture practices are exposing marine fish populations to increasing genetic risks. Therefore, the integration of genetic information into fisheries and aquaculture management is becoming crucial to ensure species’ long-term persistence. The raising commercial value of grey mullet (Mugil cephalus) and its roe represents a growing challenge to the sustainable management of this economically important fishery resource. Here, microsatellites were used to investigate patterns of genetic variation in a Mediterranean area that harbor flourishing fisheries and practice semi-intensive farming of grey mullet. Genetic diversity within populations is smaller than values reported in previous studies as a result of the lower polymorphism displayed by the new microsatellite loci. Lack of genetic structuring points to the existence of a unique genetic stock, which is consistent with the species’ high dispersal capabilities. Nonetheless, differences in local population effective size as well as the excess of related individuals do not completely fit the picture of a large panmictic population. Baseline genetic information here gathered will allow to set up the genetic monitoring of regional fish stocks, which is needed to assess the impact of both harvesting and aquaculture on the genetic integrity of Mugil cephalus wild populations.
format	article
author	Piero Cossu Laura Mura Fabio Scarpa Tiziana Lai Daria Sanna Ilenia Azzena Nicola Fois Marco Casu
author_facet	Piero Cossu Laura Mura Fabio Scarpa Tiziana Lai Daria Sanna Ilenia Azzena Nicola Fois Marco Casu
author_sort	Piero Cossu
title	Genetic patterns in Mugil cephalus and implications for fisheries and aquaculture management
title_short	Genetic patterns in Mugil cephalus and implications for fisheries and aquaculture management
title_full	Genetic patterns in Mugil cephalus and implications for fisheries and aquaculture management
title_fullStr	Genetic patterns in Mugil cephalus and implications for fisheries and aquaculture management
title_full_unstemmed	Genetic patterns in Mugil cephalus and implications for fisheries and aquaculture management
title_sort	genetic patterns in mugil cephalus and implications for fisheries and aquaculture management
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/eb774560bab54ca58d38380098ba1939
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Genetic patterns in Mugil cephalus and implications for fisheries and aquaculture management

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