Nitrogen and carbon isotope signatures in cattle hair – recorders of agroecosystem processes

...........................................................................................I Zusammenfassung ...................................................................................III List of Figures .........................................................................................VI List of Tables ...........................................................................................X Chapter I: General introduction ......................................................................1 Chapter II: Reconstruction of the isotopic history of animal diets by hair segmental analysis .................................................................................9 Chapter III: Isotopic composition of cow tail switch hair as an information archive of the animal environment............................................................26 Chapter IV: Carbon and nitrogen stable isotope composition of cattle hair: ecological fingerprints of production systems?................................................36 Chapter V: The C signature of temperate humid grassland as affected by site conditions and interannual variability of weather................................56 Chapter VI: General and summarizing discussion ...............................................81 References ..........................................................................................88