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Abstract:

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.

Registro:

Documento: Artículo
Título:Abundance and diversity of tintinnids (planktonic ciliates) under contrasting levels of productivity in the Argentine Shelf and Drake Passage
Autor:Santoferrara, L.F.; Alder, V.A.
Filiación:Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, C1428EHA, Buenos Aires, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas, Av. Rivadavia 1917, C1033AAJ, Buenos Aires, Argentina
Instituto Antártico Argentino, Cerrito 1248, C1010AAZ, Buenos Aires, Argentina
Palabras clave: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
Año:2012
Volumen:71
Página de inicio:25
Página de fin:30
DOI: http://dx.doi.org/10.1016/j.seares.2012.04.002
Título revista:Journal of Sea Research
Título revista abreviado:J. Sea Res.
ISSN:13851101
CODEN:JSREF
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13851101_v71_n_p25_Santoferrara

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Citas:

---------- APA ----------
Santoferrara, L.F. & Alder, V.A. (2012) . Abundance and diversity of tintinnids (planktonic ciliates) under contrasting levels of productivity in the Argentine Shelf and Drake Passage. Journal of Sea Research, 71, 25-30.
http://dx.doi.org/10.1016/j.seares.2012.04.002
---------- CHICAGO ----------
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" . Journal of Sea Research 71 (2012) : 25-30.
http://dx.doi.org/10.1016/j.seares.2012.04.002
---------- MLA ----------
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" . Journal of Sea Research, vol. 71, 2012, pp. 25-30.
http://dx.doi.org/10.1016/j.seares.2012.04.002
---------- VANCOUVER ----------
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. J. Sea Res. 2012;71:25-30.
http://dx.doi.org/10.1016/j.seares.2012.04.002