Potentially toxic Pseudo-nitzschia species in plankton and fecal samples of Eubalaena australis from Península Valdés calving ground, Argentina
Península Valdés (PV) in Argentina is an important calving ground for the southern right whale Eubalaena australis. However, a high mortality of calves has been observed in the last years, which could be associated with phycotoxin exposure. During a sampling program conducted late in the calving sea...
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ftconicet:oai:ri.conicet.gov.ar:11336/53634 2023-10-09T21:56:05+02:00 Potentially toxic Pseudo-nitzschia species in plankton and fecal samples of Eubalaena australis from Península Valdés calving ground, Argentina D'agostino, Valeria Carina Hoffmeyer, Monica Susana Almandoz, Gaston Osvaldo Sastre, Viviana Degrati, Mariana application/pdf http://hdl.handle.net/11336/53634 eng eng Elsevier Science info:eu-repo/semantics/altIdentifier/doi/10.1016/j.seares.2015.09.004 info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1385110115300411 http://hdl.handle.net/11336/53634 D'agostino, Valeria Carina; Hoffmeyer, Monica Susana; Almandoz, Gaston Osvaldo; Sastre, Viviana; Degrati, Mariana; Potentially toxic Pseudo-nitzschia species in plankton and fecal samples of Eubalaena australis from Península Valdés calving ground, Argentina; Elsevier Science; Journal of Sea Research; 106; 10-2015; 39-43 1385-1101 CONICET Digital CONICET info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ Domoic Acid Eubalaena Australis Península Valdés Phytoplankton Pseudo-Nitzschia Blooms Right Whales https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion ftconicet https://doi.org/10.1016/j.seares.2015.09.004 2023-09-24T18:25:25Z Península Valdés (PV) in Argentina is an important calving ground for the southern right whale Eubalaena australis. However, a high mortality of calves has been observed in the last years, which could be associated with phycotoxin exposure. During a sampling program conducted late in the calving seasons of 2004, 2005 and 2010, potentially toxic species of the genus Pseudo-nitzschia were observed to be an important component of the phytoplankton community and they were also found in fecal samples of two live whales and three stranded whales. In line with this, in the present study Pseudo-nitzschia australis, Pseudo-nitzschia fraudulenta, Pseudo-nitzschia pungens and the complex Pseudo-nitzschia pseudodelicatissima were identified in fecal samples and phytoplankton samples by light and electron microscopy. Although no toxin analysis was carried out in the present study, our findings suggest that E. australis could be exposed to domoic acid in their calving ground. Fil: D'agostino, Valeria Carina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico; Argentina Fil: Hoffmeyer, Monica Susana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Argentino de Oceanografía. Universidad Nacional del Sur. Instituto Argentino de Oceanografía; Argentina. Universidad Tecnológica Nacional. Facultad Regional Bahía Blanca; Argentina Fil: Almandoz, Gaston Osvaldo. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Sastre, Viviana. Universidad Nacional de la Patagonia Argentina Fil: Degrati, Mariana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico; Argentina. Universidad Nacional de la Patagonia. Facultad de Ciencias Naturales. Sede Puerto Madryn; Argentina Article in Journal/Newspaper Southern Right Whale CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas) Patagonia Argentino Argentina Gaston ENVELOPE(65.783,65.783,-70.417,-70.417) Journal of Sea Research 106 39 43 |
institution |
Open Polar |
collection |
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas) |
op_collection_id |
ftconicet |
language |
English |
topic |
Domoic Acid Eubalaena Australis Península Valdés Phytoplankton Pseudo-Nitzschia Blooms Right Whales https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
spellingShingle |
Domoic Acid Eubalaena Australis Península Valdés Phytoplankton Pseudo-Nitzschia Blooms Right Whales https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 D'agostino, Valeria Carina Hoffmeyer, Monica Susana Almandoz, Gaston Osvaldo Sastre, Viviana Degrati, Mariana Potentially toxic Pseudo-nitzschia species in plankton and fecal samples of Eubalaena australis from Península Valdés calving ground, Argentina |
topic_facet |
Domoic Acid Eubalaena Australis Península Valdés Phytoplankton Pseudo-Nitzschia Blooms Right Whales https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
description |
Península Valdés (PV) in Argentina is an important calving ground for the southern right whale Eubalaena australis. However, a high mortality of calves has been observed in the last years, which could be associated with phycotoxin exposure. During a sampling program conducted late in the calving seasons of 2004, 2005 and 2010, potentially toxic species of the genus Pseudo-nitzschia were observed to be an important component of the phytoplankton community and they were also found in fecal samples of two live whales and three stranded whales. In line with this, in the present study Pseudo-nitzschia australis, Pseudo-nitzschia fraudulenta, Pseudo-nitzschia pungens and the complex Pseudo-nitzschia pseudodelicatissima were identified in fecal samples and phytoplankton samples by light and electron microscopy. Although no toxin analysis was carried out in the present study, our findings suggest that E. australis could be exposed to domoic acid in their calving ground. Fil: D'agostino, Valeria Carina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico; Argentina Fil: Hoffmeyer, Monica Susana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Argentino de Oceanografía. Universidad Nacional del Sur. Instituto Argentino de Oceanografía; Argentina. Universidad Tecnológica Nacional. Facultad Regional Bahía Blanca; Argentina Fil: Almandoz, Gaston Osvaldo. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Sastre, Viviana. Universidad Nacional de la Patagonia Argentina Fil: Degrati, Mariana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico; Argentina. Universidad Nacional de la Patagonia. Facultad de Ciencias Naturales. Sede Puerto Madryn; Argentina |
format |
Article in Journal/Newspaper |
author |
D'agostino, Valeria Carina Hoffmeyer, Monica Susana Almandoz, Gaston Osvaldo Sastre, Viviana Degrati, Mariana |
author_facet |
D'agostino, Valeria Carina Hoffmeyer, Monica Susana Almandoz, Gaston Osvaldo Sastre, Viviana Degrati, Mariana |
author_sort |
D'agostino, Valeria Carina |
title |
Potentially toxic Pseudo-nitzschia species in plankton and fecal samples of Eubalaena australis from Península Valdés calving ground, Argentina |
title_short |
Potentially toxic Pseudo-nitzschia species in plankton and fecal samples of Eubalaena australis from Península Valdés calving ground, Argentina |
title_full |
Potentially toxic Pseudo-nitzschia species in plankton and fecal samples of Eubalaena australis from Península Valdés calving ground, Argentina |
title_fullStr |
Potentially toxic Pseudo-nitzschia species in plankton and fecal samples of Eubalaena australis from Península Valdés calving ground, Argentina |
title_full_unstemmed |
Potentially toxic Pseudo-nitzschia species in plankton and fecal samples of Eubalaena australis from Península Valdés calving ground, Argentina |
title_sort |
potentially toxic pseudo-nitzschia species in plankton and fecal samples of eubalaena australis from península valdés calving ground, argentina |
publisher |
Elsevier Science |
url |
http://hdl.handle.net/11336/53634 |
long_lat |
ENVELOPE(65.783,65.783,-70.417,-70.417) |
geographic |
Patagonia Argentino Argentina Gaston |
geographic_facet |
Patagonia Argentino Argentina Gaston |
genre |
Southern Right Whale |
genre_facet |
Southern Right Whale |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.seares.2015.09.004 info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1385110115300411 http://hdl.handle.net/11336/53634 D'agostino, Valeria Carina; Hoffmeyer, Monica Susana; Almandoz, Gaston Osvaldo; Sastre, Viviana; Degrati, Mariana; Potentially toxic Pseudo-nitzschia species in plankton and fecal samples of Eubalaena australis from Península Valdés calving ground, Argentina; Elsevier Science; Journal of Sea Research; 106; 10-2015; 39-43 1385-1101 CONICET Digital CONICET |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
op_doi |
https://doi.org/10.1016/j.seares.2015.09.004 |
container_title |
Journal of Sea Research |
container_volume |
106 |
container_start_page |
39 |
op_container_end_page |
43 |
_version_ |
1779320541260283904 |