Abundance and diversity of tintinnids (planktonic ciliates) under contrasting levels of productivity in the Argentine Shelf and Drake Passage
The relationship between the abundance and diversity of tintinnids and the concentration of chlorophyll a (Chla) was contrasted between neritic and oceanic waters of the SW Atlantic during autumn and summer. Chla and tintinnid abundance and biomass reached maximum values (17.53μgL -1, 2.76×10 3ind.L...
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ftunibueairesbd:todo:paper_13851101_v71_n_p25_Santoferrara 2023-10-29T02:35:58+01:00 Abundance and diversity of tintinnids (planktonic ciliates) under contrasting levels of productivity in the Argentine Shelf and Drake Passage Santoferrara, L.F. Alder, V.A. https://hdl.handle.net/20.500.12110/paper_13851101_v71_n_p25_Santoferrara unknown http://hdl.handle.net/20.500.12110/paper_13851101_v71_n_p25_Santoferrara info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar Abundance Biomass Diversity Species richness SW atlantic Tintinnid ciliates biological production chlorophyll a ciliate diversity index marine ecosystem species diversity subtidal environment Argentine Shelf Atlantic Ocean Drake Passage Ciliophora Tintinnida JOUR ftunibueairesbd https://doi.org/20.500.12110/paper_13851101_v71_n_p25_Santoferrara 2023-10-05T01:13:17Z The relationship between the abundance and diversity of tintinnids and the concentration of chlorophyll a (Chla) was contrasted between neritic and oceanic waters of the SW Atlantic during autumn and summer. Chla and tintinnid abundance and biomass reached maximum values (17.53μgL -1, 2.76×10 3ind.L -1, and 6.29μgCL -1, respectively) in shelf waters during summer, and their mean values generally differed by one order of magnitude between environments. Peaks in species richness (13) and Shannon diversity index (2.12) were found in the shelf-ocean boundary, but both variables showed nonsignificant differences between areas. Species richness correlated significantly with both Chla and abundance. Such relationships, which followed a negative linear or quadratic function in the shelf and a positive linear function in oceanic waters, are thought to reflect either the competitive dominance of one species or a relatively wide spectrum of tintinnid size-classes, respectively. © 2012 Elsevier B.V. Fil:Santoferrara, L.F. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Alder, V.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Journal/Newspaper Drake Passage Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires) |
institution |
Open Polar |
collection |
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires) |
op_collection_id |
ftunibueairesbd |
language |
unknown |
topic |
Abundance Biomass Diversity Species richness SW atlantic Tintinnid ciliates biological production chlorophyll a ciliate diversity index marine ecosystem species diversity subtidal environment Argentine Shelf Atlantic Ocean Drake Passage Ciliophora Tintinnida |
spellingShingle |
Abundance Biomass Diversity Species richness SW atlantic Tintinnid ciliates biological production chlorophyll a ciliate diversity index marine ecosystem species diversity subtidal environment Argentine Shelf Atlantic Ocean Drake Passage Ciliophora Tintinnida Santoferrara, L.F. Alder, V.A. Abundance and diversity of tintinnids (planktonic ciliates) under contrasting levels of productivity in the Argentine Shelf and Drake Passage |
topic_facet |
Abundance Biomass Diversity Species richness SW atlantic Tintinnid ciliates biological production chlorophyll a ciliate diversity index marine ecosystem species diversity subtidal environment Argentine Shelf Atlantic Ocean Drake Passage Ciliophora Tintinnida |
description |
The relationship between the abundance and diversity of tintinnids and the concentration of chlorophyll a (Chla) was contrasted between neritic and oceanic waters of the SW Atlantic during autumn and summer. Chla and tintinnid abundance and biomass reached maximum values (17.53μgL -1, 2.76×10 3ind.L -1, and 6.29μgCL -1, respectively) in shelf waters during summer, and their mean values generally differed by one order of magnitude between environments. Peaks in species richness (13) and Shannon diversity index (2.12) were found in the shelf-ocean boundary, but both variables showed nonsignificant differences between areas. Species richness correlated significantly with both Chla and abundance. Such relationships, which followed a negative linear or quadratic function in the shelf and a positive linear function in oceanic waters, are thought to reflect either the competitive dominance of one species or a relatively wide spectrum of tintinnid size-classes, respectively. © 2012 Elsevier B.V. Fil:Santoferrara, L.F. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Alder, V.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. |
format |
Journal/Newspaper |
author |
Santoferrara, L.F. Alder, V.A. |
author_facet |
Santoferrara, L.F. Alder, V.A. |
author_sort |
Santoferrara, L.F. |
title |
Abundance and diversity of tintinnids (planktonic ciliates) under contrasting levels of productivity in the Argentine Shelf and Drake Passage |
title_short |
Abundance and diversity of tintinnids (planktonic ciliates) under contrasting levels of productivity in the Argentine Shelf and Drake Passage |
title_full |
Abundance and diversity of tintinnids (planktonic ciliates) under contrasting levels of productivity in the Argentine Shelf and Drake Passage |
title_fullStr |
Abundance and diversity of tintinnids (planktonic ciliates) under contrasting levels of productivity in the Argentine Shelf and Drake Passage |
title_full_unstemmed |
Abundance and diversity of tintinnids (planktonic ciliates) under contrasting levels of productivity in the Argentine Shelf and Drake Passage |
title_sort |
abundance and diversity of tintinnids (planktonic ciliates) under contrasting levels of productivity in the argentine shelf and drake passage |
url |
https://hdl.handle.net/20.500.12110/paper_13851101_v71_n_p25_Santoferrara |
genre |
Drake Passage |
genre_facet |
Drake Passage |
op_relation |
http://hdl.handle.net/20.500.12110/paper_13851101_v71_n_p25_Santoferrara |
op_rights |
info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar |
op_doi |
https://doi.org/20.500.12110/paper_13851101_v71_n_p25_Santoferrara |
_version_ |
1781059506508136448 |