1987
DOI: 10.1590/s0102-33061987000200006 View full text |Buy / Rent full text
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Abstract: São apresentados os resultados do estudo do metafíton, bentos e de comunidades fitoplanctônicas ocorrentes em ambientes lênticos de Charqueadas e municípios vizinhos, região esta sujeita à influência de mineração e processamento de carvão mineral. O estudo baseou-se em 46 amostras coletadas em julho e agosto de 1986. Dos 213 táxons específicos e infra-específicos identificados, 95 constituem-se em primeiro registro de ocorrência no Estado. Os grupos melhor representados quanto ao número de espécies ocorrentes … Show more

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“…During the analyses of S. gracilis, we observed some specimens in the process of scalariform conjugation, with swollen gametangia and ellipsoidal zygospores with rounded poles. Paraná (Felisberto & Rodrigues 2008); Rio de Janeiro ; Rio Grande do Sul (Rosa et al 1987); São Paulo (Borge 1918;Wittrock & Nordstedt 1882; Cylindrocystis brebissonii var. turgida differs from the type-variety of the species by having a generally cylindrical shape, being 1.5-1.8 times longer than wide.…”
Section: Resultsmentioning
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rupbmjkragerfmgwileyiopcupepmcmbcthiemesagefrontiersapsiucrarxivemeralduhksmucshluniversity-of-gavle
“…During the analyses of S. gracilis, we observed some specimens in the process of scalariform conjugation, with swollen gametangia and ellipsoidal zygospores with rounded poles. Paraná (Felisberto & Rodrigues 2008); Rio de Janeiro ; Rio Grande do Sul (Rosa et al 1987); São Paulo (Borge 1918;Wittrock & Nordstedt 1882; Cylindrocystis brebissonii var. turgida differs from the type-variety of the species by having a generally cylindrical shape, being 1.5-1.8 times longer than wide.…”
Section: Resultsmentioning
“…Distribution in Brazil: Amazonas (Scott et al 1965); Bahia (present study); Mato Grosso (De-Lamonica-Freire & Heckman 1996); Paraná (Felisberto & Rodrigues 2008); Rio de Janeiro Sophia 1991); Rio Grande do Sul (Ungaretti 1981;Rosa et al 1987Rosa et al , 1988Franceschini 1992 fig. 34.…”
Section: Cylindrocystis Crassaunclassified
“…Rio de Janeiro: Bicudo and Bicudo (1969);Sophia (1991). Rio Grande do Sul: Ungaretti (1981); Rosa et al (1987Rosa et al ( , 1988Franceschini, 1992 . Rio de Janeiro: Sophia (1991).…”
Section: Spatial and Temporal Characterizationunclassified
“…First papers published on the Euglenophytes flora from Rio Grande do Sul State freshwater systems are simple lists of genera and species, such as the ones by Rosa et al (1974), Torgan et al (1979), Lobo & Buselato-Toniolli (1985), Rosa et al (1987) and Rosa et al (1988). During the last three decades, however, Euglenophytes floristic surveys included descriptions and illustrations of material studied.…”
Section: Introductionmentioning