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Master's Dissertation
DOI
10.11606/D.21.2014.tde-07042015-140413
Document
Author
Full name
Mariana Rodrigues dos Santos
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2014
Supervisor
Committee
Katsuragawa, Mario (President)
Bonecker, Ana Cristina Teixeira
Dias, June Ferraz
Title in Portuguese
Ocorrência, distribuição e abundância das larvas de Serranidae na costa sudeste brasileira, entre Cabo Frio (RJ) e Cabo de Santa Marta Grande (SC)
Keywords in Portuguese
Anthiinae
distribuição horizontal
Epinephelinae
ictioplâncton
Plataforma Continental Sudeste Brasileira
serranídeos
Serraninae
Abstract in Portuguese
Os objetivos deste estudo foram descrever a composição taxonômica e distribuição horizontal das larvas de Serranidae na Plataforma Continental Sudeste Brasileira (PCSE), e verificar a interferência dos fatores ambientais e bióticos na distribuição larval. O material provém de 10 cruzeiros oceanográficos realizados nos meses de janeiro, maio, setembro e dezembro de 1975 a 1981, entre cabo Frio (RJ) e cabo de Santa Marta Grande (SC) e depositados na "Coleção Biológica Prof. E. F. Nonato". As larvas de Serranidae (933) foram identificadas em 14 táxons (Diplectrum formosum, Diplectrum spp., Serranus spp., Epinephelus itajara, Epinephelus morio, Epinephelus nigritus, Epinephelus tipo 1, Epinephelus spp., Mycteroperca spp., Pseudogramma gregoryi, Rypticus spp., Anthias menezesi, Hemanthias vivanus, Pronotogrammus martinicensis), distribuídos em nove gêneros e três subfamílias (Serraninae, Anthiinae, Epinephelinae). Com exceção de D. formosum, que apresentou ampla distribuição na plataforma interna da PCSE, e Epinephelus tipo 1 e Hemanthias vivanus, que se distribuíram preferencialmente na região sul da PCSE, os demais táxons se distribuíram na região norte da PCSE (cabo Frio-RJ a São Sebastião-SP), não ultrapassando a isóbata de 200 m. Os fatores salinidade, distância das ilhas e latitude foram significativos na distribuição de Diplectrum formosum, Diplectrum spp., Serranus spp., Epinephelus tipo 1, e Mycteroperca spp., táxons mais abundantes. Foi obtido um avanço na identificação de Epinephelus (E. morio, E. itajara e E. nigritus) e ratificada a morfologia dos espinhos alongados de E. nigritus.
Title in English
Occurence, distribution and abundance of Serranidae larvae in the southeastern, brazilian bight, between Frio cape (RJ) and Santa Marta Grande cape (SC)
Keywords in English
Anthiinae
Epinephelinae
horizontal distribution
ichthyoplankton
sea basses
Serraninae
Southeastern Brazilian Bight
Abstract in English
This study describes the taxonomic composition and horizontal distribution of Serranidae larvae along Southeastern Brazilian Continental Shelf (SBSC), and investigates how environmental and biological factors influence the larval distribuction. The samplers, deposited in the Marine Biological Collection "Prof. E. F. Nonato", were collected on the 10 survey cruisers conducted on january, may, september and december from 1975 to 1981, between cape Frio (RJ) to cape Santa Marta Grande (SC). Larvae of Serranidae (933) were identified into 14 taxa (Diplectrum formosum, Diplectrum spp., Serranus spp., Epinephelus itajara, Epinephelus morio, Epinephelus nigritus, Epinephelus tipo 1, Epinephelus spp., Mycteroperca spp., Pseudogramma gregoryi, Rypticus spp., Anthias menezesi, Hemanthias vivanus, Pronotogrammus martinicensis), included in nine genera and three subfamilies (Serraninae, Anthiinae and Epinephelinae). Except for Diplectrum formosum, that was widely distributed throughout the southeastern continental shelf, and Epinephelus type 1 and Hemanthias vivanus, that were distributed into the south portion of the SBSC, other taxa distributed into the north portion of the SBSC (from cape Frio to São Sebastião), not exceeding the 200 m isobath. The salinity, latitude and distance of islands were significant factors in the horizontal distribution of Diplectrum formosum, Diplectrum spp., Serranus spp., Epinephelus type 1 and Mycteroperca spp., most abundant taxa. A significant progress was considered in identifying grouper larvae (Epinephelus morio, Epinephelus itajara and Epinephelus nigritus) and ratified the morphology of the elongated spines of E. nigritus.
 
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Publishing Date
2015-04-07
 
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