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  • Latin American Journal of Aquatic Research
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  • Latin American Journal of Aquatic Research
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Distribution, relative abundance and diversity of deep-sea species at São Pedro and São Paulo Archipelago, Brazil

Author
Nunes,Diogo M

Travassos,Paulo

Ferreira,Rômulo

Hazin,Fabio

Full text
https://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0718-560X2016000200004
Abstract
The goal of the present study is to investigate vertical distribution, relative abundance and diversity of deep-sea species caught using baited traps at São Pedro and São Paulo Archipelago (SPSPA). The surveys were carried out between January 2012 and June 2014 at depths ranging from 170 to 700 m, comprising 53 hauls. Five species of crustaceans, ten of fishes and three of mollusks were caught. The deep-sea geryonid crab Chaceon gordonae was the most abundant species, followed by the Gadiform (Moridae) fish Physiculus sp. The results showed a clear bathymetric stratification, with some species being restricted to shallower layers (170-300 m) and others showing a wider distribution (200-700 m). Several factors can influence the vertical distribution of these species, including oceanographic and biological characteristics. In the future, more studies should be conducted in order to elucidate the interaction between distribution, relative abundance and diversity with various elements that make up the dynamics of this complex ecosystem.
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Discipline
Artes, Arquitectura y UrbanismoCiencias Agrarias, Forestales y VeterinariasCiencias Exactas y NaturalesCiencias SocialesDerechoEconomía y AdministraciónFilosofía y HumanidadesIngenieríaMedicinaMultidisciplinarias
Institutions
Universidad de ChileUniversidad Católica de ChileUniversidad de Santiago de ChileUniversidad de ConcepciónUniversidad Austral de ChileUniversidad Católica de ValparaísoUniversidad del Bio BioUniversidad de ValparaísoUniversidad Católica del Nortemore

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