Julia Gaye‐Siessegger

Feeding level and individual metabolic rate affect ?13C and ?15N values in carp: implications for food web studies

Julia Gaye‐Siessegger, Ulfert Focken, Stefan Muetzel et al. · Oecologia · 2004 · 180 citations

Life Sciences, Ecology, Fisheries +12

Feeding level and diet quality influence trophic shift of c and n isotopes in nile tilapia (<i>oreochromis niloticus</i> (L.))

Julia Gaye‐Siessegger, Ulfert Focken, Hansjörg Abel et al. · Isotopes in Environmental and Health Studies · 2003 · 79 citations · Full text

Agriculture, Animal Sciences, Nutritional Sciences +17

Determination of underivatized amino acid <i>δ</i> ¹³ C by liquid chromatography/isotope ratio mass spectrometry for nutritional studies: the effect of dietary non‐essential amino acid profile on the isotopic signature of individual amino acids in fish

James McCullagh, Julia Gaye‐Siessegger, Ulfert Focken · Rapid Communications in Mass Spectrometry · 2008 · 67 citations

Life Sciences, Biochemistry, Nutritional Sciences +17

Individual protein balance strongly influences ?15N and ?13C values in Nile tilapia, Oreochromis niloticus

Julia Gaye‐Siessegger, Ulfert Focken, Hansj�rg Abel · Die Naturwissenschaften · 2004 · 65 citations

Life Sciences, Biochemistry, Zoology +12

Effect of dietary protein/carbohydrate ratio on activities of hepatic enzymes involved in the amino acid metabolism of Nile tilapia, Oreochromis niloticus (L.)

Julia Gaye‐Siessegger, Ulfert Focken, Karsten Becker · Fish Physiology and Biochemistry · 2006 · 60 citations

Life Sciences, Biochemistry, Nutritional Sciences +17