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Rotifera (Monogononta) diversity in subtropical waters of Argentina

Published online by Cambridge University Press:  01 February 2009

S. Jose de Paggi
S. Jose de Paggi*
Affiliation:
Instituto Nacional de Limnologia (CONICET) Macia 1933, 3016 Santo José, Santa Fe, Argentina
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Abstract

The rotifer fauna of twenty five localities (mainly shallow lakes) from Corrientes, Argentina was studied. 136 taxa were identified, 20 ofwhich, from the genera Lecane, Lepadella, Ploesoma, Ptygura, Squatinella, Testudinella and Trichocerca are new to the Argentine fauna. Most of these are (sub)tropical in distribution, and 8 % are endemic to South America. Ploesoma africana Wulfert, Ptygura kostei n.sp., Testudinella brevicaudata Yamamoto and Trichocerca vernalis Hauer are recorded from the Neotropical region for the first time. The rotiferan species richness of this area, is remarkable. The highest diversity was recorded from vegetated lakes, with acid waters, where one locality yielded 56 species.

Keywords

rotiferaneotropical regionshallow lakeslittoral areaacid watersnew recordsnew speciesrotifèresneotropislacs peu profondszone littoraleeaux acidesnouvelles récoltesespèce nouvelle
Type
Research Article
Information
Annales de Limnologie - International Journal of Limnology , Volume 32 , Issue 4 , December 1996 , pp. 209 - 220
Copyright
© Université Paul Sabatier, 1996

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