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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Autores principales:	Santoferrara, Luciana F., Alder, Viviana A.
Publicado:	2012
Materias:	Abundance Biomass Diversity Species richness SW atlantic Tintinnid ciliates abundance biological production biomass chlorophyll a ciliate diversity index marine ecosystem species diversity species richness subtidal environment Argentine Shelf Atlantic Ocean Drake Passage Ciliophora Tintinnida
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13851101_v71_n_p25_Santoferrara http://hdl.handle.net/20.500.12110/paper_13851101_v71_n_p25_Santoferrara
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_13851101_v71_n_p25_Santoferrara
record_format	dspace
spelling	paper:paper_13851101_v71_n_p25_Santoferrara2023-06-08T16:12:39Z Abundance and diversity of tintinnids (planktonic ciliates) under contrasting levels of productivity in the Argentine Shelf and Drake Passage Santoferrara, Luciana F. Alder, Viviana A. Abundance Biomass Diversity Species richness SW atlantic Tintinnid ciliates abundance biological production biomass chlorophyll a ciliate diversity index marine ecosystem species diversity species richness subtidal environment Argentine Shelf Atlantic Ocean Drake Passage Ciliophora Tintinnida 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. 2012 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13851101_v71_n_p25_Santoferrara http://hdl.handle.net/20.500.12110/paper_13851101_v71_n_p25_Santoferrara
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Abundance Biomass Diversity Species richness SW atlantic Tintinnid ciliates abundance biological production biomass chlorophyll a ciliate diversity index marine ecosystem species diversity species richness subtidal environment Argentine Shelf Atlantic Ocean Drake Passage Ciliophora Tintinnida
spellingShingle	Abundance Biomass Diversity Species richness SW atlantic Tintinnid ciliates abundance biological production biomass chlorophyll a ciliate diversity index marine ecosystem species diversity species richness subtidal environment Argentine Shelf Atlantic Ocean Drake Passage Ciliophora Tintinnida Santoferrara, Luciana F. Alder, Viviana 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 abundance biological production biomass chlorophyll a ciliate diversity index marine ecosystem species diversity species richness 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.
author	Santoferrara, Luciana F. Alder, Viviana A.
author_facet	Santoferrara, Luciana F. Alder, Viviana A.
author_sort	Santoferrara, Luciana 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
publishDate	2012
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13851101_v71_n_p25_Santoferrara http://hdl.handle.net/20.500.12110/paper_13851101_v71_n_p25_Santoferrara
work_keys_str_mv	AT santoferraralucianaf abundanceanddiversityoftintinnidsplanktonicciliatesundercontrastinglevelsofproductivityintheargentineshelfanddrakepassage AT aldervivianaa abundanceanddiversityoftintinnidsplanktonicciliatesundercontrastinglevelsofproductivityintheargentineshelfanddrakepassage
_version_	1768544194754772992

Abundance and diversity of tintinnids (planktonic ciliates) under contrasting levels of productivity in the Argentine Shelf and Drake Passage

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