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Artículo

Spatial patterns of summer demersal fish assemblages around the Antarctic Peninsula and South Shetland Islands

Llompart, Facundo ManuelIcon ; Delpiani, Sergio MatiasIcon ; Lattuca, María EugeniaIcon ; Delpiani, Gabriela ElinaIcon ; Cruz Jiménez, Adriana Milena; Orlando, Paula; Ceballos, Santiago GuillermoIcon ; Diaz de Astarloa, Juan MartinIcon ; Vanella, Fabián AlbertoIcon ; Fernandez, Daniel AlfredoIcon
Fecha de publicación: 03/2014
Editorial: Cambridge University Press
Revista: Antarctic Science
ISSN: 0954-1020
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Biología Marina, Limnología

Resumen

During the research programme conducted on the OV Puerto Deseado in the summers of 2011 and 2013, 36 stations were sampled using a demersal net at depths between 53–590 m in the Antarctic Peninsula and South Shetland Islands. A total 3378 fish specimens belonging to 36 species were recorded. Notothenidae was the best-represented family in species number, with Lepidonotothen nudifrons, L. larseni and Trematomus scotti being the most numerous species. Of the fish assemblages, 20% of the species were considered as dominant, 10% as common, 13% as occasional and 57% as rare. Six groups (and two sub-groups) were obtained by the ordination diagram based on geographical location: group 1=Gerlache Strait, group 2=Deception Islands, group 3=Biscoe Island, group 4=between Elephant and King George islands, group 5=northern Antarctic Peninsula, and group 6=South Shetland Islands, with sub-groups 6a shallower South Shetland Islands and 6b deeper South Shetland Islands. Sampling depth and water temperature significantly explained the spatial pattern. A latitudinal pattern of decreasing abundance from north-east to south-west was found in L. larseni and the opposite in T. scotti. The predictability of fish composition in the assemblages’ areas could be a useful tool for ecosystem-based management.
Palabras clave: Antarctic Fish Assemblages , South Shetland Island Fish Fauna , Antarctic Peninsula Fish Fauna , Nototheniidae
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/5585
URL: http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=9585476
DOI: http://dx.doi.org/ 10.1017/S0954102014000352
DOI: http://dx.doi.org/10.1017/S0954102014000352
Colecciones
Articulos(IIMYC)
Articulos de INSTITUTO DE INVESTIGACIONES MARINAS Y COSTERAS
Articulos(CADIC)
Articulos de CENTRO AUSTRAL DE INVESTIGACIONES CIENTIFICAS
Citación
Llompart, Facundo Manuel; Delpiani, Sergio Matias; Lattuca, María Eugenia; Delpiani, Gabriela Elina; Cruz Jiménez, Adriana Milena; et al.; Spatial patterns of summer demersal fish assemblages around the Antarctic Peninsula and South Shetland Islands; Cambridge University Press; Antarctic Science; 27; 2; 3-2014; 109-117
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