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Registros recuperados: 9
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Taxonomia e distribuição geográfica dos Monstrilloida (Copepoda - Crustacea) do atlântico sul ocidental Biota Neotropica
Dias,Cristina de Oliveira.
Tipo: Info:eu-repo/semantics/article
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032005000300026
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New records of Monstrilloida Sars, 1901 (Crustacea, Copepoda) on the Brazilian northeastern coast Biota Neotropica
Dias,Cristina de Oliveira; Bonecker,Sérgio Luiz Costa.
During a series of zooplankton surveys carried out from 2001 through 2005 off the coast of the state of Bahia, Brazil, 98 individuals of monstrilloid copepods were collected. These belong to five species (Monstrilla grandis, Cymbasoma cf. longispinosum, Cymbasoma cf. rigidum, Cymbasoma gracilis, and Cymbasoma quadridens). The first three are recorded for the first time in the Bahia coastal region. The geographical range of C. quadridens is expanded to the Brazilian northeastern coast. The results presented herein increase to nine the number of nominal species of Monstrilloida known from off Bahia; the environmental diversity of Caravelas Channel with highly productive areas and coral reef zones harbor an abundant and diverse monstrilloid fauna that should...
Tipo: Info:eu-repo/semantics/article Palavras-chave: New occurrence; Zooplankton; Southwest Atlantic; Brazilian coast; Bahia; Taxonomy.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032007000200030
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Occurrence of Euchaeta paraconcinna Fleminger, 1957 (Crustacea, Copepoda, Calanoida) in a coastal area of Bahia State, northeastern Brazil Biota Neotropica
Dias,Cristina de Oliveira; Bonecker,Sérgio Luiz Costa.
The calanoid copepod Euchaeta paraconcinna Fleminger, 1957 is reported from Camamu Bay, state of Bahia, northeastern Brazil (14º02'49"S; 38º52'58"W). Three females were collected by vertical hauls with a plankton net of 200 µm mesh size. This is a new record for this species in northeastern Brazil.
Tipo: Info:eu-repo/semantics/other Palavras-chave: Copepoda; New occurrence; Euchaeta paraconcinna; Southwest Atlantic.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032006000300020
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New records of Monstrilloida Sars, 1901 (Crustacea: Copepoda) from Rio Grande do Norte (northeastern coast of Brazil) Biota Neotropica
Dias,Cristina de Oliveira; Medeiros,Guilherme Fulgêncio de; Bonecker,Sérgio Luiz Costa.
During a series of zooplankton surveys carried out during 1984, off the south coast of the state of Rio Grande do Norte, Brazil, several species of monstrilloids were present in the samples. A total of 50 individuals of monstrilloid copepods were collected. These belong to four species (Monstrilla brasiliensis Suárez-Morales & Dias, Cymbasoma cf. longispinosum, Cymbasoma cf. rigidum, and Cymbasoma gracilis Gurney). The taxonomic complexes formed by the species C. cf. longispinosum and C. cf. rigidum in Brazilian waters are discussed. The lengths of the specimens are provided in order to contribute to studies and revisions of the specimens belonging to these species-complexes. The species Monstrilla brasiliensis is recorded for the first time in the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Zooplankton; Copepods; Southwest atlantic; Brazilian coast; Monstrilla; Cymbasoma.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032008000200022
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Variações na estrutura da comunidade zooplanctônica próxima a usina I da Central Nuclear Almirante Álvaro Alberto (C.N.A.A.A.) - (Angra Dos Reis-R.J.-Brasil) - Ciclo 1980/81 E 1991/93 BABT
Dias,Cristina de Oliveira; Bonecker,Sérgio L.C; Nogueira,Catarina R..
During the years of 1980/80 was performed a ecological study in Ribeira Bay (Angra dos Reis-R.J.-Brazil) in order to provide informations about of the planktonic community in pre-operational conditions, in the region of the Admiral Álvaro Aberto Nuclear Power Plant (C.N.A.A.A.). After 10 years of activities of the Nuclear Power Plant the zooplankton material was obtained in vertical hauls with a net of 150 μm at two fixed points (Piraquara de Fora Cove and Itaorna Beach) in order to study the zooplankton associations related to environmental variables and comparing with the anterior study. The zooplankton evolution showed a sazonal variation with the dominance of the holoplanktonic organisms. The Copepoda showed its the greatest growth during the autumn...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Zooplâncton; Rio de Janeiro; Usina Térmica; Sazonal Variation.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131999000200013
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Inter-annual variability of planktonic copepods in a tropical bay in southeastern Brazil BABT
Dias,Cristina de Oliveira; Bonecker,Sérgio Luiz Costa.
The aim of this work was to study the structure of the copepod community in relation to hydrographic conditions in Espírito Santo Bay, from 1993 to 1997. Zooplankton samples were obtained in the horizontal tows four times a year, using a 200 µm net. Temperature, salinity and dissolved oxygen were determined in the water samples. The overall mean density of the copepods was 9,085 ind.m-3 with the peaks exceeding 15,000 ind.m-3 in the summer and autumn during the first three years (1993 - 1995). The PCA analysis was used to relate the environmental conditions with the distribution of the copepods. The increases in the abundant species, namely Acartia lilljeborgi, Oithona hebes, Oithona oculata, Paracalanus quasimodo, Parvocalanus crassirostris and Euterpina...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Copepoda; Crustacea; Spatial-temporal variation; Espírito Santo Bay; Brazil.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000400011
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Vertical distribution and structure of copepod (Arthropoda: Copepoda) assemblages in two different seasons down to 1,200 m in the tropical Southwestern Atlantic Rev. Bras. Zool.
Dias,Cristina de Oliveira; Araujo,Adriana Valente de; Bonecker,Sérgio Luiz Costa.
ABSTRACT The vertical distribution of copepod assemblages, ascertained from the surface down to 1,200 m, was investigated during two sampling periods (rainy and dry seasons), at four depths, in the oligotrophic waters of the southwestern Atlantic Ocean. Total density, diversity, and richness differed among sampling depths. Copepod density decreased with depth in the two sampling periods, with a maximum at 1 m and a slight decrease at 800 m. Higher diversities were observed at 250 m and 1,200 m during the rainy season and at 1 m and 1,200 m during the dry season. The maximum number of species was found at 1,200 m during the rainy season and at 1 m during the dry season. Various copepod assemblages were delimited in the water column in the two sampling...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mesozooplanktonic copepod; Southeastern Brazil; Tropical environment.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100320
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Seasonal variability of planktonic copepods (Copepoda: Crustacea) in a tropical estuarine region in Brazil Rev. Bras. Zool.
Dias,Cristina de Oliveira; Araujo,Adriana Valente de; Bonecker,Sérgio Luiz Costa.
The Caravelas River estuary and adjacent coastal region were studied during the rainy and dry seasons of 2003-2004 to assess the copepod community structure. Abiotic and biotic parameters were measured, and the total density, frequency and percentage of copepod taxa were determined for each sampling period. Copepod densities showed significant differences between sampling periods, with higher densities in the rainy seasons (Mean: 90,941.80 ind.m-3; S.D.: 26,364.79). The sampling stations located to the north and south, in the coastal region adjacent to the Caravelas River estuary presented the lowest copepod density values. The copepod assemblage was composed mainly of estuarine and estuarine/coastal copepods. The seasonal variations in temperature and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Coastal region; Northeast Brazil; Seasonal variability; Tropical zone; Zooplankton.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400015
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The copepod assemblage (Copepoda: Crustacea) on the inner continental shelf adjacent to Camamu Bay, northeast Brazil Rev. Bras. Zool.
Dias,Cristina de Oliveira; Bonecker,Sérgio Luiz Costa.
The copepod assemblage on the inner continental shelf adjacent to the coastal system of Camamu Bay (state of Bahia, Brazil) is described in relation to hydrographic conditions, during the wet and dry seasons of 2004. The zooplankton samples were obtained in vertical tows using a net with 200 µm mesh size. Temperature and salinity were measured, and the total density, frequency and percentage occurrence of the copepod taxa were determined for each sampling period. The highest densities were observed at the entrance of Camamu Bay (up to 7.473 ind.m-3), and the lowest on the adjacent inner continental shelf south of Camamu Bay (less than 500 ind.m-3). A total of 57 copepod taxa were identified. Paracalanus quasimodo Bowman, 1971, Subeucalanus pileatus...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Coastal region; Spatial-temporal variation; Tropical zone; Zooplankton.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400007
Registros recuperados: 9
Primeira ... 1 ... Última
 

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