Abstract
RationaleThe species‐specific relationship between phosphate (δ18OP values) and structural carbonate (δ18OC values) oxygen isotope ratios has been established for several modern and fossil animal species but until now it has not been investigated in European fallow deer (Dama dama dama). This study describes the relationship between phosphate and structural carbonate bioapatite in tooth enamel of extant fallow deer, which will help us further understand the species' unique environmental and cultural history.MethodsThe oxygen isotope composition of phosphate (δ18OP value) and structural carbonate (δ18OC value) of hydroxylapatite was determined in 51 modern fallow deer tooth enamel samples from across Europe and West Asia. The δ18OC values were measured on a GV IsoPrime dual‐inlet mass spectrometer and the δ18OP values on a temperature‐controlled elemental analyser (TC/EA) coupled to a DeltaPlus XL isotope ratio mass spectrometer via a ConFlo III interface.ResultsThis study establishes a direct and linear relationship between the δ18OC and δ18OP values from fallow deer tooth enamel (δ18OC = +9.244(±0.216) + 0.958 * δ18OP (±0.013)). Despite the successful regression, the variation in δ18O values from samples collected in the same geographical area is greater than expected, although the results cluster in broad climatic groupings when Koppen‐Geiger classifications are taken into account for the individuals' locations.ConclusionsThis is the first comprehensive study of the relationship between ionic forms of oxygen (phosphate oxygen and structural carbonate) in fallow deer dental enamel. The new equation will allow direct comparison with other herbivore data. Variable δ18O values within populations of fallow deer broadly reflect the ecological zones they are found in which may explain this pattern of results in other euryphagic species.
Highlights
A recent programme of inter‐disciplinary research has shown that the distribution of fallow deer (Dama dama dama) is a direct record of human migration, trade, behaviour and worldview.[1,2,3,4] Prior to this understanding of the cultural significance of fallow deer, the species has been under‐investigated in favour of the red (Cervus elaphus) and roe (Capreolus capreolus) deer, i.e. those that are native to western Europe
Strontium isotope analysis has been used to great effect to infer ancient translocations and source populations of fallow deer;[2,3] these issues could be addressed with greater resolution if they were complemented by oxygen isotope analysis
Previous studies have indicated that the structural carbonate component is more susceptible to alteration than the bone phosphate component,[18,20] and varying degrees of diagenesis affecting δ18OC values in fossil bone and enamel have been noted in the literature.[53,54]
Summary
This is the first comprehensive study of the relationship between ionic forms of oxygen (phosphate oxygen and structural carbonate) in fallow deer dental enamel. The new equation will allow direct comparison with other herbivore data. Variable δ18O values within populations of fallow deer broadly reflect the ecological zones they are found in which may explain this pattern of results in other euryphagic species.
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
