Diatomáceas (Bacillariophyceae) da Lagoa Dourada (Parque Estadual de Vila Velha), Paraná, Brasil

Autores

  • Rosemeri S. Moro
  • Cynthia B. Foerstenberg

DOI:

https://doi.org/10.5380/abpr.v22i0.718

Resumo

Um estudo taxonômico e ecológico de Diatomoflórula da Lagoa Dourada, PR, Brasil, demonstrou a predominância de espécies eutróficas. oligohalóbias indiferentes, alcaliófilas, limnófilas, oligossapróbias com tendência à mesossapróbias. Foram determinados 71 táxons específicos e infra-específicos num total do 6 amostras coletadas ern agosto e outubro de 1991. As espécies de maior freqüência foram Cymbella microcephala Grun., C. navicuformis (Auersw.) Cleve, C. cymbiformis Ag., Navicola radiosa Kütz., N. cryptotenella L. Bcrt. N. rhyncocephala Kütz. e Synedra ulna var. danica (Kütz.) V. H.

Abstract

Taxonomic and ecological studies of diatoms from Lagoa Dourada, Paraná State, Brazil were done. In six samples; seventy-one taxa were determined. The predominating species were Cymbella microcephala Grun., C. naviculformis, (Auersw.) Cleve, C. cymbiformis Ag., Navicola radiosa Kütz., N. cryptotenella L. Bert. N. rhyncocephala Kütz. and Synedra ulna var. danica (Kütz.) V.H. Concerning to environmental requirements, eutrophic, oligohalobous indifferent, limnophulous, alkaliphilous, and oligosaprobic tending to mesosaprobic species were collected.

Résumé

Dans ce travail on fail lanalyse taxonomique et écologique des diatomées provenentes de Lagoa Dourada, Etat du Paraná, Brésil. Cette analyse a permis la determination de 71 taxons spècifiques et infraspécifiques. On été constates spèces avec la predominance de Cymbella microcephala Grun., C. naviculformis, (Auersw.) Cleve, C. cymbiformis Ag., Navicola radiosa Kütz., N. cryptotenella L. Bert. N. rhyncocephala Kütz. et Synedra ulna var. danica (Kütz.) V.H. Les informations autoécologiques des spéces a montré que la proportion plus important des diatomées est autrophique oligohalobique indiferent, limnophile, alcaliphile, oligossaprobique avec la tendance a mesossaprobique.

Biografia do Autor

Rosemeri S. Moro

Diatoms (Baeillariophyceae) from Lagoa Dourada (Vila Veiha State Park), Paraná, Brazil RoSEMERI SEOLcIN MoRo 2 CYNTInA BLATRIZ FORSTENBEROER

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Como Citar

Moro, R. S., & Foerstenberg, C. B. (1993). Diatomáceas (Bacillariophyceae) da Lagoa Dourada (Parque Estadual de Vila Velha), Paraná, Brasil. Acta Biológica Paranaense, 22. https://doi.org/10.5380/abpr.v22i0.718

Edição

v. 22 (1993)

Seção

Artigos originais (Original Articles)

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