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Abstract:

Analyses of the morphometry of 630 loricae belonging to the described species Cymatocylis affinis and Cymatocylis convallaria retrieved from 21 samples collected in the Weddel Sea (6O-73°S) strongly suggest that both taxa, including the four formae into which C.affinis was originally divided, are members of a single species. The only feature which varies significantly and consistently among the samples surveyed is the total length of the lorica, lowest average lengths being positively correlated with lowest absolute abundances of this tintinnid in the waters sampled. This relationship points to some unfavorable factor(s) which affects both tintinnid reproduction/ survival and growth; the data analysed suggest that drops in the availability of food might be responsible for the size (and abundance) variations observed. © 1990 Oxford University Press.

Registro:

Documento: Artículo
Título:Intraspecific variability in Antarctic tintinnids: The Cymatocylis affinis/convallaria species group
Autor:Boltovskoy, D.; Dinofrio, E.O.; Alder, V.A.
Filiación:Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires and CONICET, Argentina
Lnstituto Antártico Argentino, Cerrito 1248,1010 Buenos Aires, Argentina
Palabras clave:systematics; tintinnid; Antarctica, Weddell Sea; Convallaria; Cymatocylis; Cymatocylis affinis; Cymatocylis convallaria; Tintinnidae
Año:1990
Volumen:12
Número:2
Página de inicio:403
Página de fin:413
DOI: http://dx.doi.org/10.1093/plankt/12.2.403
Título revista:Journal of Plankton Research
Título revista abreviado:J. Plankton Res.
ISSN:01427873
CODEN:JPLRD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01427873_v12_n2_p403_Boltovskoy

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Citas:

---------- APA ----------
Boltovskoy, D., Dinofrio, E.O. & Alder, V.A. (1990) . Intraspecific variability in Antarctic tintinnids: The Cymatocylis affinis/convallaria species group. Journal of Plankton Research, 12(2), 403-413.
http://dx.doi.org/10.1093/plankt/12.2.403
---------- CHICAGO ----------
Boltovskoy, D., Dinofrio, E.O., Alder, V.A. "Intraspecific variability in Antarctic tintinnids: The Cymatocylis affinis/convallaria species group" . Journal of Plankton Research 12, no. 2 (1990) : 403-413.
http://dx.doi.org/10.1093/plankt/12.2.403
---------- MLA ----------
Boltovskoy, D., Dinofrio, E.O., Alder, V.A. "Intraspecific variability in Antarctic tintinnids: The Cymatocylis affinis/convallaria species group" . Journal of Plankton Research, vol. 12, no. 2, 1990, pp. 403-413.
http://dx.doi.org/10.1093/plankt/12.2.403
---------- VANCOUVER ----------
Boltovskoy, D., Dinofrio, E.O., Alder, V.A. Intraspecific variability in Antarctic tintinnids: The Cymatocylis affinis/convallaria species group. J. Plankton Res. 1990;12(2):403-413.
http://dx.doi.org/10.1093/plankt/12.2.403