Twenty-Five Years of Domoic Acid Monitoring in Galicia (NW Spain): Spatial, Temporal and Interspecific Variations

Prevalence, impact on shellfish resources and interspecific, spatial, and temporal variabilities of domoic acid (DA) in bivalves from Galicia (NW Spain) have been studied based on more than 25 years of monitoring data. The maximum prevalence (samples in which DA was detected) (100%) and incidence (s...

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Autores principales:	Juan Blanco, Ángeles Moroño, Fabiola Arévalo, Jorge Correa, Covadonga Salgado, Araceli E. Rossignoli, J. Pablo Lamas
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	amnesic shellfish poisoning ASP multidecadal prevalence incidence variability Medicine R
Acceso en línea:	https://doaj.org/article/c88f6baaff9c4b8e9e06fe5d308ff10f
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spelling	oai:doaj.org-article:c88f6baaff9c4b8e9e06fe5d308ff10f2021-11-25T19:08:35ZTwenty-Five Years of Domoic Acid Monitoring in Galicia (NW Spain): Spatial, Temporal and Interspecific Variations10.3390/toxins131107562072-6651https://doaj.org/article/c88f6baaff9c4b8e9e06fe5d308ff10f2021-10-01T00:00:00Zhttps://www.mdpi.com/2072-6651/13/11/756https://doaj.org/toc/2072-6651Prevalence, impact on shellfish resources and interspecific, spatial, and temporal variabilities of domoic acid (DA) in bivalves from Galicia (NW Spain) have been studied based on more than 25 years of monitoring data. The maximum prevalence (samples in which DA was detected) (100%) and incidence (samples with DA levels above the regulatory limit) (97.4%) were recorded in <i>Pecten maximus</i>, and the minimum ones in <i>Mytilus galloprovincialis</i> (12.6 and 1.1%, respectively). The maximum DA concentrations were 663.9 mg kg<sup>−1</sup> in <i>P. maximus</i> and 316 mg kg<sup>−</sup><sup>1</sup> in <i>V</i><i>enerupis corrugata</i>. After excluding scallop <i>P. maximus</i><i> </i>data, DA was found (prevalence) in 13.3% of bivalve samples, with 1.3% being over the regulatory limit. In general, the prevalence of this toxin decreased towards the North but not the magnitude of its episodes. The seasonal distribution was characterized by two maxima, in spring and autumn, with the later decreasing in intensity towards the north. DA levels decreased slightly over the studied period, although this decreasing trend was not linear. A cyclic pattern was observed in the interannual variability, with cycles of 4 and 11 years. Intoxication and detoxification rates were slower than those expected from laboratory experiments, suggesting the supply of DA during these phases plays an important role.Juan BlancoÁngeles MoroñoFabiola ArévaloJorge CorreaCovadonga SalgadoAraceli E. RossignoliJ. Pablo LamasMDPI AGarticleamnesic shellfish poisoningASPmultidecadalprevalenceincidencevariabilityMedicineRENToxins, Vol 13, Iss 756, p 756 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	amnesic shellfish poisoning ASP multidecadal prevalence incidence variability Medicine R
spellingShingle	amnesic shellfish poisoning ASP multidecadal prevalence incidence variability Medicine R Juan Blanco Ángeles Moroño Fabiola Arévalo Jorge Correa Covadonga Salgado Araceli E. Rossignoli J. Pablo Lamas Twenty-Five Years of Domoic Acid Monitoring in Galicia (NW Spain): Spatial, Temporal and Interspecific Variations
description	Prevalence, impact on shellfish resources and interspecific, spatial, and temporal variabilities of domoic acid (DA) in bivalves from Galicia (NW Spain) have been studied based on more than 25 years of monitoring data. The maximum prevalence (samples in which DA was detected) (100%) and incidence (samples with DA levels above the regulatory limit) (97.4%) were recorded in <i>Pecten maximus</i>, and the minimum ones in <i>Mytilus galloprovincialis</i> (12.6 and 1.1%, respectively). The maximum DA concentrations were 663.9 mg kg<sup>−1</sup> in <i>P. maximus</i> and 316 mg kg<sup>−</sup><sup>1</sup> in <i>V</i><i>enerupis corrugata</i>. After excluding scallop <i>P. maximus</i><i> </i>data, DA was found (prevalence) in 13.3% of bivalve samples, with 1.3% being over the regulatory limit. In general, the prevalence of this toxin decreased towards the North but not the magnitude of its episodes. The seasonal distribution was characterized by two maxima, in spring and autumn, with the later decreasing in intensity towards the north. DA levels decreased slightly over the studied period, although this decreasing trend was not linear. A cyclic pattern was observed in the interannual variability, with cycles of 4 and 11 years. Intoxication and detoxification rates were slower than those expected from laboratory experiments, suggesting the supply of DA during these phases plays an important role.
format	article
author	Juan Blanco Ángeles Moroño Fabiola Arévalo Jorge Correa Covadonga Salgado Araceli E. Rossignoli J. Pablo Lamas
author_facet	Juan Blanco Ángeles Moroño Fabiola Arévalo Jorge Correa Covadonga Salgado Araceli E. Rossignoli J. Pablo Lamas
author_sort	Juan Blanco
title	Twenty-Five Years of Domoic Acid Monitoring in Galicia (NW Spain): Spatial, Temporal and Interspecific Variations
title_short	Twenty-Five Years of Domoic Acid Monitoring in Galicia (NW Spain): Spatial, Temporal and Interspecific Variations
title_full	Twenty-Five Years of Domoic Acid Monitoring in Galicia (NW Spain): Spatial, Temporal and Interspecific Variations
title_fullStr	Twenty-Five Years of Domoic Acid Monitoring in Galicia (NW Spain): Spatial, Temporal and Interspecific Variations
title_full_unstemmed	Twenty-Five Years of Domoic Acid Monitoring in Galicia (NW Spain): Spatial, Temporal and Interspecific Variations
title_sort	twenty-five years of domoic acid monitoring in galicia (nw spain): spatial, temporal and interspecific variations
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/c88f6baaff9c4b8e9e06fe5d308ff10f
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Twenty-Five Years of Domoic Acid Monitoring in Galicia (NW Spain): Spatial, Temporal and Interspecific Variations

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