Diatoms (Bacillariophyceae) of Iguaçu National Park, Foz do Iguaçu, Brazil

Abstract

Th is study represents a taxonomic survey of class Bacillariophyceae diatoms found in samples collected in the Iguaçu River (Iguaçu National Park, municipality of Foz do Iguaçu, in the state of Paraná, Brazil) between August 2007 and July 2008. Two sampling stations were utilized, the fi rst located upstream of Iguaçu Falls (Cais Bananeiras Station) and second downstream of the falls (Cais Macuco Safari Station). Th e study resulted in the identifi cation of 86 taxa, including 74 at the specifi c level and seven taxonomic varieties.

Nupela (Bacillariophyceae) in littoral rivers from south Brazil, and description of six new species of the genus

“…In Brazil, the Nupela species are documented mainly in floristic surveys (faria et al 2010;Canani et al 2011;moreSCo et al 2011;SanToS et al 2011;beS et al 2012;barTozeK et al 2013). Seven species has been documented (Tremarin et al 2009) and a new species -N. pardinhoensis beS, Torgan et eCTor (beS et al 2012) has been established.…”

Coscinodiscophyceae and Fragilariophyceae (Diatomeae) in the Iguaçu River, Paraná, Brazil

“…Similar studies were conducted by Tremarin et al (2009a), in the Maurício River, and by Santos et al (2011), in the Salto Amazonas River and in an artificial lake in the municipality of General Carneiro. Other studies of diatoms in the Iguaçu River were performed by Brassac & Ludwig (2003;, Ludwig et al (2008) and by Bartozek et al (2013). At Iguaçu Falls, Metzeltin & Lange-Bertalot (1998; identified 45 taxa, of which only six were centric and none were araphid.…”

Diatomáceas epilíticas de sistemas lóticos na sub-bacia hidrográfica do Arroio Grande, Rio Grande do Sul, Brasil

“…Referência: Raupp et al (2006) Ordem: Orthoseirales R. Dimensões: C 12,4-25 µm; L 9,1-12,7 µm; 10-13 estrias em 10 µm. Referência: Bartozek et al (2013) Gênero: Gomphonema Ehrenberg 1893 Referência: Metzeltin et al (2005) Gomphonema anglicum Ehrenberg Sellaphora sp. (Fig.…”

“…122 Gyrosigma obtusatum (Sullivan e Wormley) Boyer (Fig.124) Dimensões: C 40,7-71 µm; L 7,4-13,3 µm; 23-28 estrias em 10 µm. Referências: Bes et al(2012); Bartozek et al (2013) Família: Stauroneidaceae D.G. Mann in Round et al 1990 Gênero: Capartogramma H. Kufferath 1956…”

“…140) Dimensões: C 23,1-34,7 µm; L 6,6-10,2 µm; 6-7 costelas em 10 µm. Referências: Santos et al (2011);Salomoni & Torgan (2010); Bartozek et al (2013) Surirella tenera W.Gregory (Fig. 141) Dimensões: C 14,4-49 µm; L 29,2-36 µm; 4-5 canais aliformes em 10 µm.…”