Criptógamos do Parque Estadual das Fontes do Ipiranga, São Paulo, SP: Algas, 24: Zygnemaphyceae (Desmidiales: Octacanthium, Staurastrum e Staurodesmus)

Bicudo, Carlos Eduardo de Matos; Faustino, Silvia Maria Mathes; Godinho, Luciana Rufino; Oliveira, M. A. De

doi:10.1590/s2236-89062007000400006

Hoehnea

2007

DOI: 10.1590/s2236-89062007000400006

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Criptógamos do Parque Estadual das Fontes do Ipiranga, São Paulo, SP: Algas, 24: Zygnemaphyceae (Desmidiales: Octacanthium, Staurastrum e Staurodesmus)

Carlos Eduardo de Matos Bicudo

Silvia Maria Mathes Faustino

Luciana Rufino Godinho

et al.

Abstract: Levantamento florístico dos gêneros Octacanthium, Staurastrum e Staurodesmus, da ordem Desmidiales (Zygnemaphyceae) na Reserva Biológica do Parque Estadual das Fontes do Ipiranga situado na cidade de São Paulo, Estado de São Paulo, Brasil. Dezenove espécies de Staurastrum, seis variedades que não são as típicas de suas respectivas espécies e quatro formas igualmente não típicas de suas respectivas variedades; 10 espécies de Staurodesmus, três variedades não típicas e duas formas taxonómicas também não típicas;… Show more

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Fitoplâncton (exceto Chlorophyceae) de um lago artificial urbano no Sul do Brasil

Domingues

Torgan

2011

Rev. bras. Bot.

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-(Phytoplankton (except Chlorophyceae) from an artificial urban pond in Southern Brazil). This study aims to the knowledge of phytoplankton composition of the Tartarugas pond, located at the Botanical Garden, Porto Alegre city in Rio Grande do Sul State. The samplings were carried out monthly, from June 2007 to May 2008, at one station in three different depths in the pelagic zone. Forty-nine specific and infraspecific taxa belonging to seven classes were recorded. Cyanobacteria presented the highest number of taxa (35% of recorded taxa), followed by Bacillariophyceae (33%) and Euglenophyceae (16.3%). Descriptions, measurements and illustrations of the taxa are presented as well as their distribution during the annual cycle.

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Fitoplâncton (exceto Chlorophyceae) de um lago artificial urbano no Sul do Brasil

Domingues

Torgan

2011

Rev. bras. Bot.

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Structure and dynamics of the community of periphytic algae in a subtropical reservoir (state of São Paulo, Brazil)

et al. 2013

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Much remains to be learned about biological diversity, which constitutes a valuable natural resource. Due to the pressure that human activity has put on natural resources, biodiversity has been reduced, often unbeknownst to those responsible for that activity. Therefore, we aimed to perform a quantitative and qualitative analysis of periphytic algae in the Itupararanga reservoir, correlating the results with the physical and chemical characteristics of the water, as well as with climatic conditions. To that end, five samples were collected at four sampling stations in the Itupararanga reservoir during the year 2010. Aquatic macrophytes were collected with a 156-cm 2 frame, and the periphytic algae were scraped free of the macrophytes with a brush. Samples were fixed in formaldehyde and Lugol's solution for the qualitative and quantitative analyses, respectively. We identified 156 taxa belonging to eight classes, and the overall density was 10,200-171,800 individuals/mm 2 . The taxonomic composition and abundance of periphyton were found to be dependent on spatial and temporal factors, such as the type of substrate and the characteristics of the sampling site, as well as seasonal variations in the chemical and physical properties of the water.

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Cosmarium (Desmidiaceae, Zygnemaphyceae) da ficoflórula perifítica do reservatório de Rosana, bacia do rio Paranapanema, Paraná/São Paulo, Brasil

Felisberto

Rodrigues

2010

Hoehnea

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-(Cosmarium (Desmidiaceae, Zynemaphyceae) to periphytic phycoflora the Rosana reservoir, Paranapanema river basin, Paraná/São Paulo, Brazil). This study aimed to publish species belonging to the genus Cosmarium Corda of the periphytic community in three regions of the Rosana reservoir, southern Brazil. The samples were collected during the summer period and winter in the distinct regions to long of the axis the river-dam in the Rosana (Paranapanema River). The collected substrata, always in the littoral region and in all of the collection points, they were petioles of Eichhornia azurea Kunth. In the results were registered 48 species, distributed in fluvial, intermediary and lacustrine regions. Among these taxa, 45 were registered for the summer and 31 for the winter. Higher species richness occurred in the lacustrine region for both periods of collection. Cosmarium abbreviatum Raciborski var. minus (West & West) Krieger & Gerloff, C. granatum Brébisson ex Ralfs, C. pseudoconnatum Nordstedt, C. punctulatum Brébisson and C. quadrum Lundell var. minus Nordstedt occurred all regions were sampled in both periods. Key words: desmids, periphytic algae, taxonomy RESUMO -(Cosmarium (Desmidiaceae, Zygnemaphyceae) da ficoflórula perifítica do reservatório de Rosana, bacia do rio Paranapanema, Paraná/São Paulo, Brasil). Com este trabalho, objetivou-se divulgar espécies pertencentes ao gênero Cosmarium Corda, da comunidade perifítica de três regiões do reservatório de Rosana, Sul do Brasil. As amostras foram coletadas durante o período de verão e inverno em distintas regiões ao longo do eixo rio-barragem do reservatório. Os substratos coletados, sempre na região litorânea e em todos os pontos de coleta, foram pecíolos de Eichhornia azurea Kunth. Foram identificados 48 táxons, distribuídos nas regiões fluvial, intermediária e lacustre. Dentre estes táxons, 45 foram registrados para o período do verão e 31 para o inverno. Maior riqueza de espécies ocorreu na região lacustre para ambos os períodos de coleta. Cosmarium abbreviatum Raciborski var. minus (West & West) Krieger & Gerloff, C. granatum Brébisson ex Ralfs, C. pseudoconnatum Nordstedt, C. punctulatum Brébisson e C. quadrum Lundell var. minus Nordstedt ocorreram em todas as regiões amostradas e em ambos os períodos. Palavras-chave: algas perifíticas, desmídias, taxonomia

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Criptógamos do Parque Estadual das Fontes do Ipiranga, São Paulo, SP: Algas, 24: Zygnemaphyceae (Desmidiales: Octacanthium, Staurastrum e Staurodesmus)

Cited by 3 publications

References 3 publications

Fitoplâncton (exceto Chlorophyceae) de um lago artificial urbano no Sul do Brasil

Fitoplâncton (exceto Chlorophyceae) de um lago artificial urbano no Sul do Brasil

Structure and dynamics of the community of periphytic algae in a subtropical reservoir (state of São Paulo, Brazil)

Cosmarium (Desmidiaceae, Zygnemaphyceae) da ficoflórula perifítica do reservatório de Rosana, bacia do rio Paranapanema, Paraná/São Paulo, Brasil

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