Ephemeral parasitism on blooming diatoms in a temperate estuary
Parasites of phytoplankton influence phytoplankton bloom dynamics and may severely affect the type of food available for higher trophic levels. The incidence of such infection diseases is expected to increase across ecosystems worldwide under scenarios of global change. Here we report a massive para...
Published in: | Marine and Freshwater Research |
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Main Authors: | , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Csiro Publishing
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Subjects: | |
Online Access: | http://hdl.handle.net/11336/28871 |
id |
ftconicet:oai:ri.conicet.gov.ar:11336/28871 |
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record_format |
openpolar |
institution |
Open Polar |
collection |
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas) |
op_collection_id |
ftconicet |
language |
English |
topic |
phytoplankton estuarine ecology eutrophication fungi salinity Meteorología y Ciencias Atmosféricas Ciencias de la Tierra y relacionadas con el Medio Ambiente CIENCIAS NATURALES Y EXACTAS |
spellingShingle |
phytoplankton estuarine ecology eutrophication fungi salinity Meteorología y Ciencias Atmosféricas Ciencias de la Tierra y relacionadas con el Medio Ambiente CIENCIAS NATURALES Y EXACTAS Guinder, Valeria Ana Carcedo, Maria Cecilia Buzzi, Natalia Sol Molinero, Juan Carlos López Abbate, María Celeste Fernandez Severini, Melisa Daiana Biancalana, Florencia Kühn, Stefanie Ephemeral parasitism on blooming diatoms in a temperate estuary |
topic_facet |
phytoplankton estuarine ecology eutrophication fungi salinity Meteorología y Ciencias Atmosféricas Ciencias de la Tierra y relacionadas con el Medio Ambiente CIENCIAS NATURALES Y EXACTAS |
description |
Parasites of phytoplankton influence phytoplankton bloom dynamics and may severely affect the type of food available for higher trophic levels. The incidence of such infection diseases is expected to increase across ecosystems worldwide under scenarios of global change. Here we report a massive parasite infection on two dominant diatoms of the austral winter bloom ? Thalassiosira pacifica and Chaetoceros diadema ? recorded during an extreme precipitation event in the Bahía Blanca Estuary, Argentina. The infection was concomitant with a marked drop in water salinity and affected more than 40 % of host populations. While the parasite on C. didema was not identified, the parasite on T. pacifica was most likely Pirsonia sp., a nanoflagellate with high host specificity. After the intense rainy period and the parasitic infection, the phytoplankton biomass dropped (>80 %) and the community structure shifted to a dominance of smaller species i.e. Thalassiosira curviseriata, T. hibernalis and T. minima. We discuss the implications that these modifications might have in the food web dynamics and the potential relation between precipitation driven-modifications in water properties and parasitism emergence in coastal eutrophic environments. Fil: Guinder, Valeria Ana. 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 Fil: Carcedo, Maria Cecilia. 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 Fil: Buzzi, Natalia Sol. 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 Nacional del Sur; Argentina Fil: Molinero, Juan Carlos. Geomar-Helmholtz Centre for Ocean Research Kiel; Alemania Fil: López Abbate, María Celeste. 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 Fil: Fernandez Severini, Melisa Daiana. 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 Fil: Biancalana, Florencia. 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 Fil: Kühn, Stefanie. Alfred Wegener Institute For Polar And Marine Research; Alemania |
format |
Article in Journal/Newspaper |
author |
Guinder, Valeria Ana Carcedo, Maria Cecilia Buzzi, Natalia Sol Molinero, Juan Carlos López Abbate, María Celeste Fernandez Severini, Melisa Daiana Biancalana, Florencia Kühn, Stefanie |
author_facet |
Guinder, Valeria Ana Carcedo, Maria Cecilia Buzzi, Natalia Sol Molinero, Juan Carlos López Abbate, María Celeste Fernandez Severini, Melisa Daiana Biancalana, Florencia Kühn, Stefanie |
author_sort |
Guinder, Valeria Ana |
title |
Ephemeral parasitism on blooming diatoms in a temperate estuary |
title_short |
Ephemeral parasitism on blooming diatoms in a temperate estuary |
title_full |
Ephemeral parasitism on blooming diatoms in a temperate estuary |
title_fullStr |
Ephemeral parasitism on blooming diatoms in a temperate estuary |
title_full_unstemmed |
Ephemeral parasitism on blooming diatoms in a temperate estuary |
title_sort |
ephemeral parasitism on blooming diatoms in a temperate estuary |
publisher |
Csiro Publishing |
url |
http://hdl.handle.net/11336/28871 |
long_lat |
ENVELOPE(-62.233,-62.233,-63.250,-63.250) ENVELOPE(-66.950,-66.950,-68.100,-68.100) |
geographic |
Argentina Argentino Austral Fernandez Molinero |
geographic_facet |
Argentina Argentino Austral Fernandez Molinero |
genre |
Alfred Wegener Institute |
genre_facet |
Alfred Wegener Institute |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1071/MF17062 info:eu-repo/semantics/altIdentifier/url/http://www.publish.csiro.au/mf/MF17062 Guinder, Valeria Ana; Carcedo, Maria Cecilia; Buzzi, Natalia Sol; Molinero, Juan Carlos; López Abbate, María Celeste; et al.; Ephemeral parasitism on blooming diatoms in a temperate estuary; Csiro Publishing; Marine and Freshwater Research; 7-2017; 1-6 1323-1650 http://hdl.handle.net/11336/28871 CONICET Digital CONICET |
op_rights |
info:eu-repo/semantics/restrictedAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
op_rightsnorm |
CC-BY-NC-SA |
op_doi |
https://doi.org/10.1071/MF17062 |
container_title |
Marine and Freshwater Research |
container_volume |
69 |
container_issue |
1 |
container_start_page |
128 |
_version_ |
1766271801839583232 |
spelling |
ftconicet:oai:ri.conicet.gov.ar:11336/28871 2023-05-15T13:15:55+02:00 Ephemeral parasitism on blooming diatoms in a temperate estuary Guinder, Valeria Ana Carcedo, Maria Cecilia Buzzi, Natalia Sol Molinero, Juan Carlos López Abbate, María Celeste Fernandez Severini, Melisa Daiana Biancalana, Florencia Kühn, Stefanie application/pdf http://hdl.handle.net/11336/28871 eng eng Csiro Publishing info:eu-repo/semantics/altIdentifier/doi/10.1071/MF17062 info:eu-repo/semantics/altIdentifier/url/http://www.publish.csiro.au/mf/MF17062 Guinder, Valeria Ana; Carcedo, Maria Cecilia; Buzzi, Natalia Sol; Molinero, Juan Carlos; López Abbate, María Celeste; et al.; Ephemeral parasitism on blooming diatoms in a temperate estuary; Csiro Publishing; Marine and Freshwater Research; 7-2017; 1-6 1323-1650 http://hdl.handle.net/11336/28871 CONICET Digital CONICET info:eu-repo/semantics/restrictedAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ CC-BY-NC-SA phytoplankton estuarine ecology eutrophication fungi salinity Meteorología y Ciencias Atmosféricas Ciencias de la Tierra y relacionadas con el Medio Ambiente CIENCIAS NATURALES Y EXACTAS info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion ftconicet https://doi.org/10.1071/MF17062 2019-08-31T16:14:00Z Parasites of phytoplankton influence phytoplankton bloom dynamics and may severely affect the type of food available for higher trophic levels. The incidence of such infection diseases is expected to increase across ecosystems worldwide under scenarios of global change. Here we report a massive parasite infection on two dominant diatoms of the austral winter bloom ? Thalassiosira pacifica and Chaetoceros diadema ? recorded during an extreme precipitation event in the Bahía Blanca Estuary, Argentina. The infection was concomitant with a marked drop in water salinity and affected more than 40 % of host populations. While the parasite on C. didema was not identified, the parasite on T. pacifica was most likely Pirsonia sp., a nanoflagellate with high host specificity. After the intense rainy period and the parasitic infection, the phytoplankton biomass dropped (>80 %) and the community structure shifted to a dominance of smaller species i.e. Thalassiosira curviseriata, T. hibernalis and T. minima. We discuss the implications that these modifications might have in the food web dynamics and the potential relation between precipitation driven-modifications in water properties and parasitism emergence in coastal eutrophic environments. Fil: Guinder, Valeria Ana. 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 Fil: Carcedo, Maria Cecilia. 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 Fil: Buzzi, Natalia Sol. 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 Nacional del Sur; Argentina Fil: Molinero, Juan Carlos. Geomar-Helmholtz Centre for Ocean Research Kiel; Alemania Fil: López Abbate, María Celeste. 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 Fil: Fernandez Severini, Melisa Daiana. 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 Fil: Biancalana, Florencia. 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 Fil: Kühn, Stefanie. Alfred Wegener Institute For Polar And Marine Research; Alemania Article in Journal/Newspaper Alfred Wegener Institute CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas) Argentina Argentino Austral Fernandez ENVELOPE(-62.233,-62.233,-63.250,-63.250) Molinero ENVELOPE(-66.950,-66.950,-68.100,-68.100) Marine and Freshwater Research 69 1 128 |