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Registros recuperados: 16
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Associações entre as biomassas de peixes Sciaenidae (Teleostei: Perciformes) e de camarões Penaeoidea (Decapoda: Dendrobranchiata) no litoral norte do Estado de São Paulo Biota Neotropica
Souza,Ursulla Pereira; Costa,Rogério Caetano da; Martins,Itamar Alves; Fransozo,Adilson.
Visando analisar as associações entre as biomassas de peixes Sciaenidae e de camarões Penaeoidea, foram feitas amostragens com barco de arrasto nas quatro estações do ano de 2001, em um gradiente de profundidade, nas regiões de Ubatuba, Caraguatatuba e São Sebastião. Em cada transecto, foram obtidas amostras de água e de sedimento. As hipóteses de que os fatores ambientais foram diferentes entre as estações do ano e profundidades foram testadas por ANOVAs. A dependência estatística entre as biomassas de peixes (variável resposta) e as biomassas de camarões (covariável) nas três regiões, foi testada por um modelo de ANCOVA. Para quantificar as relações entre as biomassas de cada espécie foi utilizada a CCA. A importância das estações do ano e das regiões no...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cienídeos; Peneídeos; Ubatuba; Caraguatatuba; São Sebastião; ANCOVA.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032008000100011
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Chave ilustrada para identificação dos camarões dendrobranchiata do litoral norte do estado de São Paulo, Brasil Biota Neotropica
Costa,Rogério Caetano da; Fransozo,Adilson; Melo,Gustavo Augusto Schmidt; Freire,Fúlvio Aurélio de Morais.
O presente estudo teve como objetivo a elaboração de uma chave de identificação ilustrada para diferenciar as espécies de camarões marinhos Dendrobranchiata, com ocorrência no litoral do Estado de São Paulo até a profundidade de 40m. As 13 espécies apresentadas neste trabalho foram obtidas mediante coletas mensais durante os anos de 1995 a 2000 na região de Ubatuba, SP . Nesta chave estão incluídas as espécies de interesse econômico, como os peneídeos Xiphopenaeus kroyeri, Farfantepenaeus brasiliensis, F. paulensis, Litopenaeus schmitti, Artemesia longinaris e o solenocerídeo Pleoticus muelleri. Além destas espécies, também foram adicionados os camarões que não são alvos das frotas pesqueiras, entre eles, Rimapenaeus constrictus, Acetes americanus, Peisos...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chave de identificação; Dendrobranchiata; Camarões; São Paulo.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032003000100011
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Composição e abundância dos caranguejos (Decapoda, Brachyura) nas regiões de Ubatuba e Caraguatatuba, litoral norte paulista, Brasil Biota Neotropica
Braga,Adriane A.; Fransozo,Adilson; Bertini,Giovana; Fumis,Patricia B..
O objetivo do presente estudo foi caracterizar a composição e a abundância dos caranguejos no infralitoral não-consolidado de duas regiões (Ubatuba e Caraguatatuba) do litoral norte paulista, Brasil. Em cada região foram realizadas coletas mensais em sete profundidades, durante o período de dois anos (Julho/ 2001 a Junho/ 2003), utilizando-se um barco de pesca equipado com duas redes do tipo "double-rig". Obteve-se um total de 30.231 caranguejos (13.305 em Ubatuba e 16.926 em Caraguatatuba), abrangendo nove superfamílias (Dromioidea, Homoloidea, Calappoidea, Leucosioidea, Majoidea, Parthenopoidea, Portunoidea, Xanthoidea e Pinnotheroidea), 16 famílias, 29 gêneros e 44 espécies. Do total de espécies coletadas, 31 foram comuns para as duas regiões. Dentre as...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biodiversidade; Abundância; Checklist; Brachyura.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032005000300004
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Desenvolvimento larval de Eriphia gonagra (Fabricius, 1781) (Decapoda, Xanthidae), em laboratório Zoologia
Fransozo,Adilson.
The post-embryonic development of the crab from the north coast of São Paulo State, Eriphia gonagra (Fabricius) was studied in laboratory. The experiments were performed in a climatically controlled room at 24±1ºC at a salinity of 36‰ and the animals were fed with newly hatched Artemia salina nauplii. The larval development of E. gonagra comprises 4 stages of zoea and one megalopa. All larval stages are illustrated and described in detail. The main morphological characters that allow the Identification of the zoeae and megalopae of E. gonagra are analyzed with respect to other Brasilian species of the family Xanthidae.
Tipo: Info:eu-repo/semantics/article
Ano: 1987 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751987000300001
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Diel variation in abundance and size of the seabob shrimp Xiphopenaeus kroyeri (Crustacea, Penaeoidea) in the Ubatuba region, Southeastern Brazil Anais da ABC (AABC)
Simões,Sabrina M.; Costa,Rogerio C.; Fransozo,Adilson; Castilho,Antonio L..
The objective of the present study was to analyze diel variation in the abundance and size of the seabob shrimp Xiphopenaeus kroyeri in the Ubatuba region, state of São Paulo, during the year 2000. In each season of the year, collections were made in the day and at night on 9 transects at depths ranging from 2 to 40 m. The estimated shrimp amount was of 28,878 individuals. Although the catch rate was higher during the day (15,853 shrimp), this did not differ significantly from the catch at night (13,025). The catch rate was higher in daytime on most transects, but was higher at night at locations where fine and very fine sand predominated. The majority of juveniles were caught during the day. The mean size (CL) was 14.43 ± 4.02 mm for day and 14.82 ± 4.28...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Abundance; Distribution; Penaeidae; Xiphopenaeus kroyeri.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000200013
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Dimensionamento e sobreposição de nichos dos portunídeos (Decapoda, Brachyura), na Enseada da Fortaleza, Ubatuba, São Paulo, Brasil Zoologia
Pinheiro,Marcelo Antonio Amaro; Fransozo,Adilson; Negreiros-Fransozo,Maria Lúcia.
The niche breadth of the Portunidae and their overlap on the subtidal sediments of Fortaleza bay, Ubatuba (São Paulo) was analyzed. Samples were made monthly from November/1988 to October/1989, inseven areas of the bay using a shrimp fishery boat equipped with two otter-trawls. Each area was characterized based on environmental factors such as depth, temperature, salinity, dissolved oxygen, organic matter and granulometric composition of the sediment. The number of individuais of each species was registered to each area (resource). Levins's standardized measure (BA) and niche percentage were calculated. Five species of swimming crabs were recorded in this study: Callinectes ornatus Ordway, 1863, Arenaeus cribrarius (Lamarck, 1818), Portunus spinimanus...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Portunidae; Distribution; Niche; Sediment; Swimming crab.
Ano: 1997 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751997000200010
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External factors determining breeding season in the red mangrove crab Goniopsis cruentata (Latreille) (Crustacea, Brachyura, Grapsidae) on the São Paulo State northern coast, Brazil Zoologia
Cobo,Valter José; Fransozo,Adilson.
This study evaluated the influence of the water and air temperatures, pluviosity and photoperiod on the breeding season of Goniopsis cruentata (Latreille, 1803), in Ubatuba littoral, southeastern Brazilian coast. Monthly collections were conducted out from January/95 to December/96 in an estuarine area from 23º29'10"-23º29'45"S to 45º09'10"-45º10'00"W. Water and air temperature variation showed the highest correlation coefficient with the frequency of ovigerous females, r² = 0.73 and 0.68, respectively. However, an analysis of the set of environmental variables, revealed the photoperiod as the factor of highest association with the ovigerous frequency (r² = 0.68). This degree of association allow us to suggest that the breeding season duration of G....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Breeding season; Goniopsis cruentata; Grapsidae; Reproduction; Ubatuba.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752003000200007
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Feeding habits of the spider crab Libinia spinosa H. Milne Edwards, 1834 (Decapoda, Brachyura) in Ubatuba bay, São Paulo, Brazil BABT
Barros,Samara de Paiva; Cobo,Valter José; Fransozo,Adilson.
The main goal of this study was the identification of the items of the diet of the L. spinosa, based on the stomach contents analysis. The crabs were obtained from Ubatuba region north-eastern shore of São Paulo State. In the laboratory, all the individuals were dissected, the stomach was retreated and fixed in 10% formaline. The alimentary items were identified under stereomicroscope and analysed by the method of Frequency of Occurrence. A total of 194 stomachs was analysed and nine alimentary items were obtained. Unindentified material was found in 98% of analysed stomach and poriferan were present in less then 1% of stomachs. These results pointed a diversified diet explored by this crab, as well as the employment of some different methods for food...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Stomach contents; Alimentary itens; Spider crab.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000200023
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Influence of environmental factors on the bathymetric distribution of the flecked box crab Hepatus pudibundus (Herbst, 1785) (Crustacea: Aethroidea) in the Southeastern Brazilian coast Biota Neotropica
Bernardes,Veronica Pereira; Mantelatto,Fernando Luis; Silva,Thiago Elias da; Sousa,Aline Nonato de; Bernardo,Camila Hipólito; Fransozo,Adilson.
Abstract: This study evaluated the relationships between environmental factors and the spatio-temporal distribution of H. pudibundus, with the hypothesis of differential occupation in coastal areas of southeastern Brazil. The samplings took place monthly in January-December 2000 period, along nine transects from 2 to 40 m of depth, in Ubatuba region, northern coast of São Paulo. We collected 1808 individuals of H. pudibundus. The highest abundance was recorded in winter in the transects 10-25 m deep. Abundance was positively correlated with organic matter content and texture sediment (phi values). With the retreat of the South Atlantic Central Water (SACW) in autumn and winter, the sediment swirls, suspending the detritivore and filter-feeding macrofauna,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Brachyura; Sediment texture; Decapoda; Distribution; Coastal Water.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032019000100207
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Larval development of Hexapanopeus paulensis Rathbun, 1930 (Crustacea, Brachyura, Xanthidae) under laboratory conditions Zoologia
Fransozo,Adilson; Mantelatto,Fernando Luiz Medina; Negreiros-Fransozo,Maria Lucia.
Four zoeal stages and one megalopa stage of Hexapanopeus paulensis Rathbun, 1930 were obtained from eggs of ovigerous females from the northern coast of São Paulo State, Brazil. The experiments were performed in a climatically controlled room at 24 ±1 ºC at a salinity of 34.5%, and the animals were fed with newly hatched Artemia salina nauplii. All larval stages are illustrated and described in detail. The complete larval development consists of 4 zoeal stages and 1 megalopal stage. The main morphological characters that allow the identification of the zoeae and megalopa of H. paulensis are analyzed with respect to the other species of Xanthidae's family from southern and southeastern Brazilian coast.
Tipo: Info:eu-repo/semantics/article
Ano: 1990 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751990000200002
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Larval development of Notolopas brasiliensis Miers, 1886 (Brachyura: Majoidea: Pisidae) described from laboratory reared material and a reappraisal of the characters of Pisidae Pap. Avulsos de Zool. (São Paulo)
Santana,William; Marques,Fernando P.L.; Fransozo,Adilson; Bertini,Giovana.
The complete larval stages of Notolopas brasiliensis are described from laboratory reared material, with emphasis on the external morphological features of Majoidea, and compare the morphology of N. brasiliensis with other genera of Pisidae. Larval development of N. brasiliensis consists of two zoeal stages and one megalopa. The duration mean of each zoeal stage was 4.2 ± 1.0 days for Zoea I and 3.8 ± 0.7 days for Zoea II, the megalopa instar appearing 8.1 ± 0.4 days after hatching. The characters previously used to define larval forms of Pisidae are either symplesiomorphic or potentially highly homoplastic. As well, was observed that there are no common sets of larval characters that would define Pisidae nowadays. However, was showed that only a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Larval characters; Notolopas; Spider crabs; Majidae; Pisidae.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492006001900001
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Physiological maturity and relationships of growth and reproduction in the red mangrove crab Goniopsis cruentata (Latreille) (Brachyura, Grapsidae) on the coast of São Paulo, Brazil Zoologia
Cobo,Valter José; Fransozo,Adilson.
This investigation provided information on the physiological sexual maturity and relationships of growth and reproduction in Goniopsis cruentata (Latreille, 1803). Collections were made monthly from January 1995 through December 1996, on the northeastern coast of São Paulo State, Brazil. The crabs were grouped into juvenile males; adult males; juvenile females, and adult females, including ovigerous ones. For each specimen the carapace width (CW) was measured, and molt condition and macroscopic developmental stage of the gonad tissue were recorded. CWs of physiologically mature crabs were between 21.4 and 23.7 mm for both sexes. This population showed molt activity in all size groups throughout the study period, which suggests continuous growth and the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Gonad development; Molt cycle; Size at maturity; Ubatuba.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752005000100027
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Population structure and breeding period of Pachycheles monilifer (Dana) (Anomura, Porcellanidae) inhabiting sabellariid sand reefs from the littoral coast of São Paulo State, Brazil Zoologia
Fransozo,Adilson; Bertini,Giovana.
The purpose of the present study is to examine the population structure and the breeding period of Pachycheles monilifer (Dana, 1852) inhabiting sabellariid worm reefs in the littoral of São Paulo State coast. The specimens were obtained at 2-month intervals from September/94 to July/95. The study sites were located at the rocky shores of Tenorio and Paranapuã Beaches. Individuals sampled showed a total averaged 4.4 ± 1.4 mm carapace length. Ovigerous females were more frequent in September. Despite clear differences regarding the arrangement of these sabellariid colonies, they are extremely important to the establishment and maintenance of P. monilifer.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Porcellanidae; Pachycheles monilifer; Sabellariid worm reefs; Biology.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752001000100023
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Relative growth and population dynamics of Macrobrachium iheringi (Decapoda, Palaemonidae) Pap. Avulsos de Zool. (São Paulo)
Nogueira,Caio dos Santos; Perroca,Júlia Fernandes; Piantkoski,Emerson Luiz; Costa,Rogerio Caetano da; Taddei,Fabiano Gazzi; Fransozo,Adilson.
Abstract During the ontogenetic development of crustaceans, the relative growth of some structures may change, especially during the transition from juvenile to adult. This study describes the relative growth of body structures of Macrobrachium iheringi, and provides information on its population dynamics, such as structure, fecundity, and morphological sexual maturity. The sampling of M. iheringi was carried out in “Ribeirão da Hortelã”, in Botucatu (SP, Brazil). The length of the carapace (CL), abdomen (AL), and ischium (IL), merus (ML), carpus (CrL), propodus (PpL), and dactyl (DcL) of the second right pereopod were measured. In addition, the width of the second abdominal pleura (PW) and propodus height (PpH) were included in analyses. The relationships...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Allometry; Freshwater; Caridea; Populations; Sex-ratio.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492019000100208
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Relative growth and sexual maturity of the stone crab Menippe nodifrons Stimpson, 1859 (Brachyura, Xanthoidea) in southeastern Brazil BABT
Bertini,Giovana; Braga,Adriane Araújo; Fransozo,Adilson; Corrêa,Michéle de Oliveira Dias Alves; Freire,Fulvio Aurélio de Morais.
The relative growth and size at onset of morphological sexual maturity of the stone crab Menippe nodifrons were investigated. A total of 399 crabs was captured on Praia Grande and Tenório beaches at Ubatuba. Carapace width (CW) and length, cheliped propodus length and height, abdomen width in females, and gonopod length in males were recorded. In females, the abdominal width showed negative allometry for juveniles and positive allometry for adults; the puberty molt occurred at 31.6 mm CW. In males, the size at onset of morphological sexual maturity was estimated as 29.7 mm CW; the gonopod growth showed positive allometry for juveniles, and an isometric relationship for adults. The gonopod length and the abdominal width were the most appropriate...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Growth; Sexual Maturity; Menippe; Xanthoidea.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000200011
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The megalopa and early juvenile development of Hepatus pudibundus (Crustacea: Brachyura: Aethroidea) reared from neuston samples Zoologia
Negreiros-Fransozo,Maria L.; Fransozo,Adilson; Hirose,Gustavo L..
Hepatus pudibundus (Herbst, 1785) is a crab commonly found in shallow waters of the Western Atlantic. Its larval and early post-larval morphology have already been described from laboratory hatched material. Around 200 megalopae of H. pudibundus were collected in neuston samples from the Ubatuba region, Brazil, during the summer of 2005-2006 and were successfully reared under laboratory conditions. The size of the megalopae obtained in the neuston was similar to those specimens previously described in the literature, except that the juvenile crab stages reared in the laboratory were slightly larger, probably due to the better feeding conditions in the laboratory. The duration of the juvenile stages was shorter in the present study than in previous attempts...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aethridae; Crab; Size difference; Brazilian coast.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752008000400005
Registros recuperados: 16
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