Occurrence of doliolids and salps during 1958, 1959, and 1960 off the São Paulo coast

Occurrence of doliolids and salps during 1958, 1959, and 1960 off the São Paulo coast^*

D. Q. Tavares

Instituto Oceanográfico da Universidade de São Paulo

SYNOPSIS

Plankton samples were collected fortnightly off São Paulo coast during 1958, 1959 and 1960.

The following Thaliacians were recorded Doliolum nationalis, Dolioletta gegenbauri and Thalia democrática. Morphological and ecological aspects of each species were studied.

Doliolids seemed to be endemic in the region, occurring throughout the whole period of survey. The salps occurred only occasionally in dense swarms suggesting that this species is carried into the region by offshore waters.

RESUMO

O presente trabalho apresenta um estudo dos Thaliacea coletados ao largo de Santos e Cananéia em 1958, 1959, e 1960. Foram estudados aspectos morfológicos e ecológicos das espécies coletadas: Doliolum nutionalis, Dolioletta gegenbauri e Thalia democratica.

Os doliolidos parecem ser endêmicos nesta área, ocorrendo durante todo o período de coletas. As salpas ocorrem só ocasionalmente em densos "cardumes", sugerindo que esta espécie introduzida nesta área por águas oceânicas.

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ACKNOWLEDGEMENTS

Thanks are due to Dr. MARTA VANNUCCI who suggested the study of this group; to Dr. LILIANA FORNERIS and Miss M. S. DE ALMEIDA PRADO for their kind advice and helpful suggestions; to Mrs. Marion Lupu for assistance with the text and to my colleagues who, in many ways, have contributed to the ellaboration of this paper. I am indebted to FAPESP for partially supporting this research.

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(Received in 26/6/1967)

Publ. n.º 248 do I.O. da USP.

*

This research was partially supported by "Fundação de Amparo à Pesquisa do Estado de São Paulo".

Publication Dates

• Publication in this collection
  14 June 2012
• Date of issue
  1967

History

• Received
  26 June 1967