Long-term species, sexual and individual variations in foraging strategies of fur seals revealed by stable isotopes in whiskers

Individual variations in the use of the species niche are an important component of diversity in trophic interactions. A challenge in testing consistency of individual foraging strategy is the repeated collection of information on the same individuals. The foraging strategies of sympatric fur seals...

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Veröffentlicht in:	PloS one 2012-03, Vol.7 (3), p.e32916-e32916
Hauptverfasser:	Kernaléguen, Laëtitia, Cazelles, Bernard, Arnould, John P Y, Richard, Pierre, Guinet, Christophe, Cherel, Yves
Format:	Artikel
Sprache:	eng
Schlagworte:	Age Animal behavior Animals Antarctic Regions Antarctic zone Arctocephalus gazella Biodiversity Biology Carbon Isotopes Carnivora Confidence Intervals Curie, Marie (1867-1934) Demographics Earth Sciences Ecological niches Ecology Environmental Sciences Euphausia Feeding Behavior - physiology Female Females Forage Forages Foraging behavior Fur Seals - physiology Gender Gender aspects Geography Habitats Isotope Labeling - methods Isotopes Krill Lactation Lactation - physiology Male Males Mammalia Marine Marine mammals Migration Mirounga Niches (Ecology) Nitrogen Isotopes Oscillations Otariidae Periodicity Polar environments Seals Sex Characteristics Sex differences Specialization Species Species diversity Species Specificity Stable isotopes Sympatric populations Time Factors Trophic relationships Variation Vibrissae - growth & development Vibrissae - metabolism Wavelet Analysis
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