Genus Lepocinclis (Euglenophyceae) along five years in the area of influence of the Southern Petrochemical Pole, Rio Grande do Sul state, Brazil

Abstract

-(Genus Lepocinclis (Euglenophyceae) along five years in the area of influence of the Southern Petrochemical Pole, Rio Grande do Sul State, Brazil). As part of an Euglenophytes survey carried out during 2002-2006 at three different sites of Bom Jardim Creek, 13 Lepocinclis taxa were identified at species and infraspecific level. Bom Jardim Creek is a right side affluent of Caí River, Municipality of Triunfo, State of Rio Grande do Sul, and has its almost entire 10.5 km length within the Southern Petrochemical Pole area. Local climate is subtropical. Samplings were carried out monthly both for biological and abiotic analyses. Among the taxa identified, Lepocinclis fusiformis (Carter) Lemmermann emend. Conrad, L. ovum (Ehrenberg) Lemmermann var. dimidio-minor Deflandre and Lepocinclis salina Fritsch var. salina were the broadest geographically distributed ones in the creek during all five years, due to their standing to a wide range of environmental conditions. Seasonal species richness variation was observed in all creek sampling sites, summer being significantly different from all other climatic seasons of the year.

Euglenophyceae de águas continentais do Estado de São Paulo: gênero Lepocinclis Perty emend. Marin & Melkonian in Marin et al.

“…As identificações foram baseadas na bibliografia especializada em Euglenophyceae utilizando obras clássicas (Conrad 1934, 1935, Huber-Pestalozzi 1955, Németh 1980, Tell & Conforti 1986), trabalhos recentes dos tipos flora (Menezes 1989, Menezes & Fernandes 1989, Xavier 1988, Alves-da-Silva & Torres 1992, Conforti 1994, Xavier 1994, Alves-da-Silva & Hahn 2004, Alves-da-Silva & Fortuna 2006, Alves-da-Silva et al 2011) e revisões baseadas em dados moleculares (Marin et al 2003, Kosmala et al 2005, Bennett & Triemer 2012, 2014.…”