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Registros recuperados: 23
Primeira ... 12 ... Última
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Morphometric characterization of Dinophysis acuminata/D. sacculus complex in Guanabara Bay, Brazil Biota Neotropica
Barrera-Alba,José Juan; Piedras,Fernanda Reinhardt; Duarte,Carla Lucatelli; Lopes,Raquel Neves Tavares; Moser,Gleyci Aparecida Oliveira.
Abstract: Most studies of Dinophysis acuminata in Brazil are for the southern region, where blooms are recurrent. In 2016, the presence of D. acuminata caused the first-ever production and consumption of species of mollusks commercial embargo from the state of Sao Paulo, Southeast Brazil. Potentially toxic species of Dinophysis have been reported in Guanabara Bay (GB) but only occasionally and in low densities. The present note is the first report of a high-density event (~105 cells L-1) of D. acuminata/D. sacculus complex in GB. D. acuminata/D. sacculus complex species were identified using scanning-electron and inverted-light microscopy. Most of the studied cells possessed a dorsally convex hyposomal plate and had dimensions typical of D. acuminata....
Tipo: Info:eu-repo/semantics/other Palavras-chave: Dinoflagellates; Dinophysis acuminata; Dinophysis sacculus; Eutrophic marine ecosystem; South Atlantic Central Water.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032019000300504
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The phytoplankton of Guanabara Bay, Brazil: I. historical account of its biodiversity Biota Neotropica
Villac,Maria Célia; Tenenbaum,Denise Rivera.
This is a historical account of the biodiversity of phytoplankton in Guanabara Bay, Brazil. It is based on 57 publications that refer to sampling carried out between 1913 and 2004. The publications included are those with direct microscopic identification. Although 80% of the studies focus on ecological issues that tend to mention only the most abundant species, 24 publications provide comprehensive check-lists at the species level, especially of taxa > 20 μm. The inventory of species includes, to date, 308 taxa among 199 diatoms, 90 dinoflagellates, 9 cyanobacteria, 5 euglenophyceans, 1 chlorophycean, 1 prasinophycean, 1 silicoflagellate, and 2 ebriids. The most conspicuous species were the dinoflagellate Scrippsiella trochoidea and diatoms from the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Marine microalgae; Diatoms; Dinoflagellates; Cyanobacteria; Algal blooms.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032010000200030
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The phytoplankton biodiversity of the coast of the state of São Paulo, Brazil Biota Neotropica
Villac,Maria Célia; Cabral-Noronha,Valéria Aparecida de Paula; Pinto,Thatiana de Oliveira.
The objective of this study is to compile the inventory of nearly 100 years of research about the phytoplankton species cited for the coast of the state of São Paulo, Brazil. A state-of-the-art study on the local biodiversity has long been needed to provide a baseline for future comparisons. This type of data is scattered in old scientific journals and in the so-called "grey literature", and are in need of nomenclature updating. Twenty-six publications are considered. The earliest sampling record is from 1913 (?) and the most recent from 2002. This checklist compiled from the literature was complemented with primary data collected between August 2004 and July 2006, recent surveys of the surf-zone of 20 beaches located along the coast and of a mariculture...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Marine microalgae; Inventory; Diatoms; Dinoflagellates.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032008000300015
Registros recuperados: 23
Primeira ... 12 ... Última
 

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