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Abstract:

Wetlands and water bodies in the Paraná Delta River and Iberá System of northeast Argentina were studied for scaled chrysophytes. The Delta region of the Paraná River is composed of a series of braided channels, streams and lagoons that extend over 17,500 km2. Although the Delta is situated in the temperate zone, it experiences a more subtropical climate. The water ways of the Iberá System consist of interconnected ponds, lagoons, and creeks covering approximately 12,000 km 2. Twenty sites were sampled and their physico-chemical data measured. Twenty-seven species belonging to the genera Spiniferomonas, Paraphysomonas, Chrysosphaerella, Chrysodidymus, Mallomonas and Synura were recorded and in all cases the geographical distribution of these taxa were significantly expanded. A new variety, Mallomonas pseudocratis var. deltaensis, is described. Lastly, the colorless flagellate Gyromitus disomatus was found to be abundant in sites from Iberá.

Registro:

Documento: Artículo
Título:Biodiversity and biogeographical implications of silica-scaled chrysophytes (Chrysophyceae and Synurophyceae) of the northeast wetlands of Argentina
Autor:Vigna, M.S.; Siver, P.A.
Filiación:University of Buenos Aires, Argentina
Dept. of Biodiv. and Exp. Biology, Universidad de Buenos Aires, Ciudad Universitaria, Pab. II, (1428) Buenos Aires, Argentina
Museo Argentino Cie. Nat. B., Av. Angel Gallardo 470, (1405) Buenos Aires, Argentina
Botany Department, Connecticut College, New London, CT 06320, United States
Palabras clave:Argentina; Biodiversity; Biogeography; Chrysophytes; Iberá System; Mallomonas; Paraná Delta River; Wetlands; biodiversity; biogeography; delta; species inventory; wetland; Argentina; Parana Delta; South America; algae; Chrysodidymus; Chrysophyceae; Chrysosphaerella; Eukaryota; Mallomonas; Mastigophora (flagellates); Paraphysomonas; Spiniferomonas; Synura; Synurales
Año:2003
Volumen:158
Número:3
Página de inicio:359
Página de fin:372
DOI: http://dx.doi.org/10.1127/0003-9136/2003/0158-0359
Título revista:Archiv fur Hydrobiologie
Título revista abreviado:Arch. Hydrobiol.
ISSN:00039136
CODEN:AHYBA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00039136_v158_n3_p359_Vigna

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Citas:

---------- APA ----------
Vigna, M.S. & Siver, P.A. (2003) . Biodiversity and biogeographical implications of silica-scaled chrysophytes (Chrysophyceae and Synurophyceae) of the northeast wetlands of Argentina. Archiv fur Hydrobiologie, 158(3), 359-372.
http://dx.doi.org/10.1127/0003-9136/2003/0158-0359
---------- CHICAGO ----------
Vigna, M.S., Siver, P.A. "Biodiversity and biogeographical implications of silica-scaled chrysophytes (Chrysophyceae and Synurophyceae) of the northeast wetlands of Argentina" . Archiv fur Hydrobiologie 158, no. 3 (2003) : 359-372.
http://dx.doi.org/10.1127/0003-9136/2003/0158-0359
---------- MLA ----------
Vigna, M.S., Siver, P.A. "Biodiversity and biogeographical implications of silica-scaled chrysophytes (Chrysophyceae and Synurophyceae) of the northeast wetlands of Argentina" . Archiv fur Hydrobiologie, vol. 158, no. 3, 2003, pp. 359-372.
http://dx.doi.org/10.1127/0003-9136/2003/0158-0359
---------- VANCOUVER ----------
Vigna, M.S., Siver, P.A. Biodiversity and biogeographical implications of silica-scaled chrysophytes (Chrysophyceae and Synurophyceae) of the northeast wetlands of Argentina. Arch. Hydrobiol. 2003;158(3):359-372.
http://dx.doi.org/10.1127/0003-9136/2003/0158-0359