Artículo
Feeding habits of three seal species at the Danco Coast, Antarctica: A re-assessment
Fecha de publicación:
09/2011
Editorial:
Springer
Revista:
Polar Biology
ISSN:
0722-4060
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
The analysis of prey overlap among Weddell, Antarctic fur and leopard seals was conducted using fecal samples collected at the Danco Coast, Antarctic Peninsula, in 1998 and 2000. The re-occurrence of prey species was moderate in samples collected in 1998, and low in 2000, and reflects resource partitioning among seal species. Prey species that mostly co-occurred in seals' diet were the Antarctic krill Euphausia superba, bivalves, and the myctophids Gymnoscopelus nicholsi and Electrona antarctica. A dietary similarity index of prey overlap has been calculated and demonstrates evident fluctuations in pairwise comparisons between the seal species. The highest and lowest values of prey overlap were observed between Antarctic fur seals and leopard seals, and between Weddell seals and leopard seals, respectively. Prey overlap between Antarctic fur seals and Weddell seals was moderate in both seasons.
Palabras clave:
ANTARCTIC PENINSULA
,
ANTARCTIC SEALS
,
DIET COMPOSITION
,
PREY OVERLAP
Archivos asociados
Licencia
Identificadores
Colecciones
Articulos(SEDE CENTRAL)
Articulos de SEDE CENTRAL
Articulos de SEDE CENTRAL
Citación
Casaux, Ricardo Jorge; Bertolin, María Lila; Carlini, A.; Feeding habits of three seal species at the Danco Coast, Antarctica: A re-assessment; Springer; Polar Biology; 34; 10; 9-2011; 1615-1620
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