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Abstract:

Qualitative and quantitative analyses of the tintinnids retrieved in surface and vertical (down to 1150 m ) samples in the Scotia, Weddell, Bransfield and Bellingshausen areas allow us to define three distinct zones: (A) the Scotia Sea, Bransfield Strait and oceanic waters of the northern-central Weddell Sea, dominated by Codonelopsis gaussi and Cymatocylis affinis/conmllaria; (B) shelf and mostly ice-covered areas of the southernmost Weddell Sea and the Bellingshausen Sea, characterized by Laackmanniella prolongata and Cymatocylis drygalskii; (C) Bransfield-Weddell waters around the tip of the Antarctic Peninsula, where Codonellopsis balechi accounts for 80% of the tintinnids. These areas have (often significantly) different ice regimes, water-column depths, surface salinities, bulk planktonic settling volumes and microplanktonic concentrations. On the other hand, the composition of tintinnid assemblages is very similar on both sides of the Antarctic Peninsula. Causal interpretations for these heterogeneous distribution patterns and probable specific adaptations to the dissimilar environmental settings involved are analyzed. © 1991, Elsevier Science Publishers B.V. All rights reserved. All rights reserved.

Registro:

Documento: Artículo
Título:The ecology and biogeography of tintinnid ciliates in the Atlantic sector of the Southern Ocean
Autor:Alder, V.A.; Boltovskoy, D.
Filiación:Instituto Antártico Argentino, Cerrito, Buenos Aires, 1010, Argentina
Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, 1428, Argentina
Palabras clave:ciliate; tintinnid; Antarctica; Antarctica, Bransfield Strait; Bellingshausen Sea; Scotia Sea; Southern Ocean; Weddell Sea; Codonellopsis balechi; Codonellopsis gaussi; Cymatocylis affinis; Cymatocylis convallaria; Cymatocylis drygalskii; Laackmanniella prolongata
Año:1991
Volumen:35
Número:1-4
Página de inicio:337
Página de fin:346
DOI: http://dx.doi.org/10.1016/S0304-4203(09)90026-3
Título revista:Marine Chemistry
Título revista abreviado:Mar. Chem.
ISSN:03044203
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03044203_v35_n1-4_p337_Alder

Referencias:

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Citas:

---------- APA ----------
Alder, V.A. & Boltovskoy, D. (1991) . The ecology and biogeography of tintinnid ciliates in the Atlantic sector of the Southern Ocean. Marine Chemistry, 35(1-4), 337-346.
http://dx.doi.org/10.1016/S0304-4203(09)90026-3
---------- CHICAGO ----------
Alder, V.A., Boltovskoy, D. "The ecology and biogeography of tintinnid ciliates in the Atlantic sector of the Southern Ocean" . Marine Chemistry 35, no. 1-4 (1991) : 337-346.
http://dx.doi.org/10.1016/S0304-4203(09)90026-3
---------- MLA ----------
Alder, V.A., Boltovskoy, D. "The ecology and biogeography of tintinnid ciliates in the Atlantic sector of the Southern Ocean" . Marine Chemistry, vol. 35, no. 1-4, 1991, pp. 337-346.
http://dx.doi.org/10.1016/S0304-4203(09)90026-3
---------- VANCOUVER ----------
Alder, V.A., Boltovskoy, D. The ecology and biogeography of tintinnid ciliates in the Atlantic sector of the Southern Ocean. Mar. Chem. 1991;35(1-4):337-346.
http://dx.doi.org/10.1016/S0304-4203(09)90026-3