Taxonomic and ultrastructural survey of Trachelomonas (Euglenophyceae) of a shallow subtropical reservoir in the municipality of Triunfo, southern Brazil

A taxonomic survey is presented of 15 species of the genus Trachelomonas ( Euglenaceae , Euglenophyceae) in a shallow subtropical reservoir used for rain water storage within the area of the Southern Petrochemical Center (30º02′15″S and 51º13′13″W), Municipality of Triunfo, Rio Grande do Sul State,...

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Bibliographic Details
Published in:Revista brasileira de botânica 2013-09, Vol.36 (3), p.223-246
Main Authors: Alves-da-Silva, Sandra Maria, de Mattos Bicudo, Carlos Eduardo
Format: Article
Language:English
Subjects:
Biomedical and Life Sciences
Life Sciences
Plant Systematics/Taxonomy/Biogeography
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Summary:A taxonomic survey is presented of 15 species of the genus Trachelomonas ( Euglenaceae , Euglenophyceae) in a shallow subtropical reservoir used for rain water storage within the area of the Southern Petrochemical Center (30º02′15″S and 51º13′13″W), Municipality of Triunfo, Rio Grande do Sul State, Brazil. The reservoir covers approximately 15 ha and has a maximum depth of 2 m. Samples were collected monthly at two stations during 14 consecutive months, from February 1995 to March 1996, using a 25-μm mesh plankton net. Of a total of 26 Trachelomonas Ehr. emend. Defl. taxa previously identified, 15 were presently also studied in detail, including ultrastructure using a scanning electron microscope. The range of limnological conditions under which each taxon was collected is given, as well the distribution of each taxon in Brazil. Most of the 15 taxa are distributed widely throughout the world.
ISSN:0100-8404
1806-9959
DOI:10.1007/s40415-013-0032-3