Complementary use of stable isotopes and fatty acids for quantitative diet estimation of sympatric predators, the Antarctic pack-ice seals

The quantitative use of stable isotopes (SIs) for trophic studies has seen a rapid growth whereas fatty acid (FA) studies remain mostly qualitative. We apply the Bayesian tool MixSIAR to both SI and FA data to estimate the diet of three sympatric predators: the crabeater (Lobodon carcinophaga), Wedd...

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Veröffentlicht in:	Oecologia 2021-11, Vol.197 (3), p.729-742
Hauptverfasser:	Guerrero, A. I., Pinnock, A., Negrete, J., Rogers, T. L.
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysis Animals Antarctic Regions Aquatic mammals Bayes Theorem Bayesian analysis Biomedical and Life Sciences Blubber Diet Ecology ECOSYSTEM ECOLOGY - ORIGINAL RESEARCH Estimates Euphausia superba Fatty Acids Fish Food Humans Hydrology/Water Resources Hydrurga leptonyx Identification Isotopes Krill Leptonychotes weddellii Life Sciences Lipids Lobodon carcinophagus Marine crustaceans Marine mammals Marine molluscs Mathematical models Pack ice Plant Sciences Predators Prey Probability theory Seals Seals (animals) Seals, Earless Stable isotopes Sympatric populations Vibrissae Wild animals
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