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Registros recuperados: 17
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Aspectos reprodutivos de Goniopsis cruentata (Latreille) (Crustacea, Brachyura, Grapsidae) na Baía de Sepetiba, Rio de Janeiro, Brasil Zoologia
Silva,Zilanda de Souza; Oshiro,Lídia Miyako Yoshii.
The objective of this study was to get some knowledge about the reproductive aspects of Goniopsis cruentata (Latreille, 1803), concerning through sex ratio, morphological sexual maturity, reproductive period, fecundity and eggs size. The crabs were collected monthly in Itacuruçá's Mangroves from November, 1997 to November, 1998. Four hundred and seven crabs were caught and they were 47% males, 36% females and 17% ovigerous females. The sex ratio was 1:1.13 (male:female) (X²= 1.54, p > 0.05). The relation of abdomen width (AW) and carapace width (CW) in females showed a positive allometric grow (b = 1.36), it suggests the size onset of maturity occur from 26.0 a 29.0 mm (CW) in females. The ovigerous females occured during all the research period, except...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Grapsidae; Goniopsis cruentata; Reproduction; Fecundity; Sexual maturity; Sepetiba Bay.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752002000300027
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Aspectos reprodutivos do caranguejo Aratus pisonii (H. Milne Edwards) (Crustácea, Decapoda, Grapsidae) do manguezal de Itacuruçá, Rio de Janeiro, Brasil Zoologia
Nicolau,Cristiane Ferreira; Oshiro,Lídia Miyako Yoshii.
The objective of this work has to get knowledge about the reproductive aspect of the tree crab Aratus pisonii (H. Milne Edwards, 1837). The sampling were made monthly from April, 2000 to April, 2001, in the Itacurucá's mangrove (22º54'S and 43º33'W), Rio de Janeiro. The crabs were collected handly, using an effort of 50 minutes with three collectors. In laboratory, the specimens were separated by sex and had measured the carapace width and lenght. The ovigerous females were separated and the mass of eggs was removed for a mensurament of size and count of eggs. Afterwards, the animals were conservad in 70% alcohol. A total of 783 individuals were caught among 59% males and 41% females among these 8% were ovigerous. The ovigerous females were found almost...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aratus pisonii; Reproduction; Tree crab; Itacurucá's mangrove; Sepetiba Bay.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752002000600016
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Aspectos reprodutivos do caranguejo guaia, Menippe nodifrons Stimpson (Crustacea, Decapoda, Xanthidae) da Baía de Sepetiba, Rio de Janeiro, Brasil Zoologia
Oshiro,Lidia Miyako Yoshii.
The objective of this work was to get some knowledge about the Guaia stone crab reproduction. The sampling was monthly obtained in the intertidal zone at the Ibicuí Rock Beach. The 638 crabs were collected from August, 1995 to March, 1997. In this total amount 293 were males and 345 (41 ovigerous crabs) were female crabs. Biometrical data informing the total width and length were taken, and gonadal stage was checked macroscopically. The total male width range was between 7.9 to 67.1 mm, while in the female crabs it was between 4.4 to 79.3 mm. The female ones were bigger than the male ones. The ovigerous female crabs were found mainly on Spring and Summer and it probably indicates the reproduction season. The carapace width range of the ovigerous female...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Decapoda; Xanthidae; Menippe nodifrons; Reproduction; Stone crab; Sepetiba Bay.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751999000300019
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Biologia reprodutiva dos bagres marinhos Genidens genidens (Valenciennes) e Cathorops spixii (Agassiz) (Siluriformes, Ariidae), na Baía de Sepetiba, Rio de Janeiro, Brasil Zoologia
Gomes,Iracema David; Araújo,Francisco Gerson; Azevêdo,Marcia Cristina Costa de; Pessanha,André Luiz Machado.
The reproductive cycle of the marine catfishes Genidens genidens Valenciennes, 1833 and Cathorops spixii Agassiz, 1839 in the Sepetiba Bay, was assessed by an annual period of sampling from October 1993 to September 1994. The fishes were caught by standardized otter trawl and environmental parameters of temperature, salinity and transparency of water were recorded at each sampling. Five gonadal phases were described, based in macroscopic observations. Changes in the gonadosomatic index (GSI) and in the percentual of stages of gonadal development showed that G. genidens spawns in Summer/early Autumn, coinciding with low salinity and high temperature and transparency. Cathorops spixii spawns in late Spring/early Summer, coinciding with rising temperature and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Siluriformes; Ariidae; Reproduction; Marine Catfish; Sepetiba Bay.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751999000600017
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Caracterização morfométrica da corvlna Micropogonias furnieri (Desmarest) (Pisces, Sciaenidae) na Baía de Sepetiba, Rio de Janeiro, Brasil Zoologia
Vicentini,Rafaela Nascimento; Araújo,Francisco Gerson.
The white croaker Micropogonias fumieri (Desmarest, 1823) is one of the most abundant fish species in the Sepetiba Bay, being heavily exploited in fisheries. Two hundred eleven fishes, captured from October 1998 to September 1999, in monthly samplings with otter trawling, were studied. The aim here is to characterize morphometrics of populations that use de Bay in order to compare with other areas. Measurements included standard length (SL), head length (HL), Pre-dorsal distance (PDD), pectoral distance (PD), ventral distance (VD) and anal distance (AD), pectoral length (PL) and eye diarneter (ED). The values of HL, PDD, PD, VD, AD, were related to SL, while ED was related to HL. Scatterplot from logaritrnized data, by sex, were analyzed in order to assess...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Morphometric; Sciaenidae; Coastal fishes; Bays; Sepetiba Bay.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752002000500010
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Composição das populações de linguados (Osteichthyes, Pleuronectiformes) da Baía de Sepetiba, Rio de Janeiro, Brasil Zoologia
Mendonça,Pablo; Araújo,Francisco Gerson.
Bi-monthly otter trawl sampling programme using a stratified random design was carried out at Sepetiba Bay (22º54'-23º04'S; 43º34'-44º10'W), from August 1994 to July 1996, aiming to assess the flatfish species composition and their relative abundance. Fourteen species in eight genera, four families and one suborder were identified. Paralichthyidae is the most diverse and abundant family, contributing to 70% of total number of individuals and to 58,8% of total biomass, being comprised of nine species: Etropus crossotus (Jordan & Gilbert, 1882); E. longimanus (Norman, 1933); Citharichthys spilopterus (Günther, 1862); C. arenaceus (Evermann & Marsh, 1902); C. macrops (Dresel, 1889); Paralichthys orbignyanus (Valenciennes, 1847); P....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Flatfish; Pleuronectiformes; Paralichthyidae; Sepetiba Bay.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752002000200005
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Distribuição e abundância de tainhas e paratis (Osteichthyes, Mugilidae) na Baía de Sepetiba, Rio de Janeiro, Brasil Zoologia
Silva,Márcio de Araújo; Araújo,Francisco Gerson de.
Variations in the físh populations of mullets were assessed aiming to detect trends in abundances during their early life cycle and relationship with environmental parameters. Fish were sampled between August 1994 and July 1997 using a beach scine and environmental parameters of water temperature, salinity and transparency were taken at each sampling. Five sites were systematically sampled, two of them in the inner Bay, and three in the outer Bay near to the sea limit. Three Mugilidae species were identified: Mugil liza Valencienes, 1836; Mugil curema Valencienes, 1836 and Mugil platanus Günter, 1880; mostly juveniles in their early life cycle, being M. liza the most abundant species. Overall all mullets were more abundant in the inner Bay, where...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mugilidae; Sepetiba Bay; Mugil; Mullet.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752000000200018
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Distribuição e abundância relativa de bagres marinhos (Siluriformes, Ariidae) na Baía de Sepetiba, Rio de Janeiro Zoologia
Azevedo,Márcia Cristina Costa de; Araújo,Francisco Gerson; Cruz Filho,Antônio Gomes da; Santos,Alexandre Clístenes de Alcântara.
Marine catfish (Ariidae) are abundant resources in otter trawl fisheries carried out at Sepetiba Bay, Rio de Janeiro (Lat. 22º54, 23º04'S; Long. 43º34\ 44º10'W). Relative abundance and distribution were assessed, based in 158 fishing sampling at seven sites in the Bay, between July-1993 e June-1996. Five species were recorded in the following abundance rank order: Genidens genidens (Valenciennes, 1839), Caihorops spixii (Agassiz,1829), Sciadeichthys lunisculis (Valenciennes, 1840), Nelunia barba (Lacépède, 1803), and Bagre marinus (Mitchill, 1814), the latter have been caught in only two samples. Marine catfish showed higher abundance in the inner Bay, with indication of spatial segregation. G genidens was abundant in ali sites of lhe inner Bay, C. spixii...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Siluriformes; Ariidae; Fish ecology; Marine catfish; Sepetiba Bay.
Ano: 1998 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751998000400003
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Distribution and relative abundance of anchovies (Clupeiformes-engraulididae) in the Sepetiba Bay, Rio de Janeiro, Brazil BABT
Silva,Márcio de Araújo; Araújo,Francisco Gerson de.
Distribution and relative abundance of juvenile fish of the family Engraulididae in the Sepetiba Bay, Rio de Janeiro, Brazil was assessed to detect patterns of use of the shallows during their early life cycle. Two yearly cycle (March-1996 to February-1997 and March-1997 to February-1998) were studied by a total of 120 beach net samples at five sites, two of them located in the inner Bay and three in the outer Bay near to the sea limit. Six Engraulididae species were identified in two genera: Anchoa januaria, Anchoa marinii, Anchoa tricolor, Anchoa lyolepis, Anchoviella lepidentostole and Anchoviella brevirostris, mainly juveniles in their early life cycle. A. januaria, A. brevirostris, A. lepidentostole and A. tricolor, in decreasing order, were the top...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Engraulididae; Anchoa; Anchoviella; Anchovy; Sepetiba Bay.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132000000400005
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Gonadal development and fecundity of the smooth weakfish Cynoscion leiarchus (Teleostei: Perciformes: Sciaenidae) in a tropical Brazilian bay Rev. Bras. Zool.
Silva,José P. do Carmo; Costa,Marcus R. da; Gomes,Iracema D.; Araújo,Francisco G..
ABSTRACT Cynoscion leiarchus (Cuvier, 1830) is a coastal fish species that is widely distributed along the Western Atlantic coast, from Belize to Southern Brazil. In Brazil, C. leiarchus It is an important resource for commercial and artisanal fisheries. Our objective was to describe the oogenesis and spermatogenesis stages of the species and to estimate batch size and relative fecundity of a population at a tropical bay in southeastern Brazil. The examined specimens were obtained from artisanal catches that took place from July 2013 to June 2014. A total of 18 individuals (11 females and 7 males) were examined for histological analysis and 20 spawning-capable females were used to estimate fecundity. Five stages of oocyte development (primary growth,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Histology; Oocyte; Reproductive tactics; Sepetiba Bay.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000600500
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Influência das variáveis ambientais na fauna acompanhante na pesca da manjuba Anchoa tricolor (Agassiz) (Actinopterygii, Engraulidae) na Baía de Sepetiba, Rio de Janeiro Zoologia
Silva,Márcio de Araújo; Araújo,Francisco Gerson.
Anchoa tricolor (Agassiz, 1829) is the only anchovy of commercial importance in Sepetiba Bay, supporting an intensive commercial fishery by small sized seine boats provide of hydroacustics sounder detecting device. This study analyses the accompanying fauna in the A. tricolor fishery, and the influence of environmental parameters in fish composition. Seven samples were taken with a seine net between March and September 1999, capturing 114,430 fish, comprising 17 species and 11 families. Engraulidae and Clupeidae were the most abundant families, accounting to 94.2 % of the total number of fish. A. tricolor was the most abundant species contributing to more than one half of the total numerical abundance, followed in decreasing order by Anchoa januaria...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Anchoa tricolor; Engraulidae; Pelagic fishes; Sepetiba Bay.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752003000300001
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Morphometric variation in pink shrimp populations at Rio de Janeiro coast (SE Brazil): are they really similar in closer areas? Anais da ABC (AABC)
CARVALHO,CÁSSIA DE; KEUNECKE,KARINA A.; LAVRADO,HELENA P..
Abstract:Farfantepenaeus brasiliensis and F. paulensis are the most exploited shrimps of SE-S Brazilian coast. Our aim was to verify if adjacent nursery areas with different environmental condition (Sepetiba and Guanabara bays, SE Brazil) influence on shrimp populations (eg, CPUE) and body shapes. Samplings were carried out during 12 months in those bays ca. 85 Km far from each other. Carapace length (CL), total body length (TL), wet weight, abdomen size and TL/CL ratio were used to analyze variations in shape through regressions. In general, F. brasiliensis was 4 to 6 times more abundant than F. paulensis. The sex ratio differed from 1:1 in F. brasiliensis in both bays, with dominance of females, largest catches occur in autumn. However, differences in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Farfantepenaeus brasiliensis; Farfantepenaeus paulensis; Guanabara Bay; Morphometry; Pink shrimps; Sepetiba Bay.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000300601
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Recrutamento do peixe-rei, Atherinella brasiliensis (Quoy & Gaimard) (Atheriniformes, Atherinopsidae), na margem continental da Baía de Sepetiba, Rio de Janeiro, Brasil Zoologia
Pessanha,André Luiz Machado; Araújo,Francisco Gerson.
The silverside, Atherinella brasiliensis (Quoy & Gaimard, 1824), a resident species of the shallows of bays, estuaries and coastal lagoons, was studied during two annual cycles, using beach seines (July 1996 to June 1998), in the continental margin of the Sepetiba Bay, aiming to assess recruitment and distribution patterns. A wide recruitment period, with young-of-the-year appearing from early spring to early autumn, was shown, with peaks of juveniles (Total Length-LT = 10-30 mm) being recorded in two periods of the year; one in November and another in March. The highest abundances, of both juvenile and adults, were recorded in Coroa Grande and Itacuruçá, sites located in the outer Bay, during the whole summer, with significant differences were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Atherinopsidae; Silverside; Distribuition; Sepetiba Bay.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752001000400021
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Relação peso-comprimento da corvina Micropogonias furnieri (Desmarest) (Pisces, Sciaenidae) na Baía de Sepetiba, Rio de Janeiro Zoologia
Araújo,Francisco Gerson; Vicentini,Rafaela Nascimento.
The length-weight relationship of populations of white croaker Micropogonias furnieri (Desmarest, 1823) in the Sepetiba Bay (22º54'-23º04'S; 43º34'-44º10'W), were assessed. It aims to contribute to the knowledge of the biometrics and to estimate the biomass of this very abundant fishery resource in the Bay. Fishes sampled, in both trawling beach seine, sampling programme, from October 1998 to May 1999 were analyzed. The equation found was W = 0.00000942 L2.99 fom the natural logaritmized transformation of the raw data, through ordinary least square equation = In W = -11.57 + 2.996 In L (r=0.99). The condition factor was relatively high compared with coastal population from Southeast Brazil, probably due to in this study both males and females from juvenile...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Seiaenidae; Length-weight relationship; Coastal fishes; Bays; Sepetiba Bay.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752001000100014
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Suspended matter and nutrient gradients of a small-scale river plume in Sepetiba Bay, SE-Brazil BABT
Rodrigues,Raphael Paiva; Knoppers,Bastiaan Adriaan; Souza,Weber Friederichs Landim de; Santos,Elisamara Sabadini.
Coastal river plumes represent one of the final stages of material transport across the land-sea interface. Most studies, however have focused on the behavior of medium to large sized river plumes of coastal-shelf waters, whereas small sized river plumes acting within estuaries have been neglected. This study addressed the behavior of suspended particulate matter (SPM), dissolved inorganic nutrients (DIN, DIP and DSi) and Chlorophyll a (Chl. a) of a small sized river plume derived from the closely lain São Francisco and Guandú river channels, set in the Sepetiba Bay estuary, SE-Brazil. Two surface water sampling campaigns were conducted, one in January 2003 (humid summer conditions) and the other in June 2003 (dry winter conditions). On both occasions, the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Suspended matter; Nutrients; Estuarine gradients; River plume; Sepetiba Bay; SE-Brazil.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000200030
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Variações temporais e espaciais na composição e estrutura da comunidade de peixes jovens da Baía de Sepetiba, Rio de Janeiro Zoologia
Pessanha,André Luiz Machado; Araújo,Francisco Gerson; Azevedo,Márcia Cristina Costa de; Gomes,Iracema David.
A year-long beach seine survey at the continental margin of Sepetiba Bay, Rio de Janeiro State, Brazil, catching mainly young-of-the-year and juvenile fishes was carried out from July 1983 to June 1984, in order to describe the community structure and their spatial and seasonal variations. Fifty-five monthly samplied carried out in five sites in the marginal surf zone waters yielded 11,463 fishes in 82 species, 59 genera and 31 families. Gerreidae, Engraulidi-dae, Atherinidae and Ariidae families amounted 87.01% of the total catch in number, and 81% in weight. Cerres aprion Cuvier, 1829, Anchoa januaria (Steindachner, 1879), Anchoviella lepidentostole (Fowler, 1911), Atherinella brasiliensis (Quoy & Gaimard, 1824) and Neluma barba (Lacépède, 1803)...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Sepetiba Bay; Ichthyofauna; Fish; Bioecology.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752000000100022
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Zinc detoxification by a cyanobacterium from a metal contaminated bay in Brazil BABT
Andrade,Luciana; Keim,Carolina N.; Farina,Marcos; Pfeiffer,Wolfgang C..
We describe here the trapping of zinc in polyphosphate granules of the cyanobacterium Synechocystis aquatilis NPBS-3. Cells were cultured in 25 µM of zinc chloride and prepared for electron microscopy and energy-dispersive X-ray analysis. Some ultrastructural features were changed by zinc exposure, the increase of glycogen granules number being the main change. The polyphosphate granules contained phosphorus, sulphur, calcium, iron and zinc. The trapping of zinc in polyphosphate granules seemed to be an effective way of detoxifying the metal and surviving in the bay. As a non-specific mechanism, these polyphosphate granules could also be effective in trapping other metals in excess.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Heavy metals; Zinc; Sepetiba Bay; Polyphosphate granules; Glycogen granules; Detoxification.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132004000100020
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