Oxygen isotope variations of phosphate in mammalian bone and tooth enamel

Huertas, António Delgado; Iacumin, Paola; Stenni, Barbara; Chillón, Begoña Sánchez; Longinelli, A.

doi:10.1016/0016-7037(95)00286-9

Cited by 156 publications

(54 citation statements)

References 15 publications

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“…70 and horse. 71 The results are consistent with the weighted mean oxygen values of the pluviometric sites reported in Longinelli and Selmo. 34 For example, the weighted mean value for Piombino, the nearest pluviometer from G. di Vado all'Arancio, is -6%, and the mean d 18 Ow value from the horse tooth is À5.9%; the mean weighted value for Nepi, the nearest pluviometer from G.…”

Section: Sr Isotope Resultssupporting

confidence: 89%

Faunal migration in late‐glacial central Italy: implications for human resource exploitation

Pellegrini

Donahue

Chenery³

et al. 2008

Rapid Comm Mass Spectrometry

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The hunter-gatherer transhumance model presents foragers as specialised hunters of migratory ungulates, which moved seasonally between coastal lowlands and interior uplands. We studied six animal teeth of horse (Equus hydruntinus) and red deer (Cervus elaphus) from four different archaeological sites: the Grotta di Vado all'Arancio, Grotta di Settecannelle, Grotta Polesini and Grotta di Pozzo, in central Italy to test whether the migratory patterns and seasonal variations recorded in their teeth were consistent with expectations of the transhumance model for this region during the late Upper Palaeolithic. Sequential sub-samples of enamel were analysed from each tooth for oxygen, carbon and strontium isotope ratios to reconstruct mobility and yearly seasonal variations. The results show little evidence that these animals were moving over different geological terrains throughout the year, although small variations in Sr isotope ratios and concentrations were detected that corresponded to probable seasonal variations as shown by variability in oxygen isotope sequences. The results do, however, demonstrate that Cervus elaphus and Equus hydruntinus had different ranging behaviours, with the former moving over wider areas than the latter. This methodology produces results appropriate to assess animal migratory behaviour and, in turn, to test the consistency of proposed models of hunter-gatherer subsistence and mobility strategies. Copyright # 2008 John Wiley & Sons, Ltd.Eurasian hunter-gatherer populations experienced rapid and extreme environmental changes from the Last Glacial Maximum to the early Holocene (ca. 18 000 to 8000 BP). e.g. 1,2 During this period profound socio-economic changes and technological developments took place that culminated with the transition to agriculture. Various models have been applied to explore the relationship between the environment and hunter-gatherer behaviour during the late-glacial in Mediterranean Europe. The hunter-gatherer transhumance model, a variation of the seasonal mobility model originally developed by Higgs, 3,4 presents foragers as specialised hunters of migratory ungulates that moved seasonally between coastal lowlands and interior uplands. In Italy, Barker hypothesised that hunter-gatherers of the late Pleistocene followed seasonally migratory herd species including Cervus elaphus and Equus hydruntinus between the Apennine uplands and the coastal plains. 5,6 These two locations offer seasonally distinct opportunities for grazing species: in winter the mountains are inhospitable and cold while the coastal plains remain grass-covered. In summer, instead, the lowlands are dry with little vegetation and the mountains remain vegetated. These distinctions would have been intensified in the late Pleistocene, and Barker argued that the seasonal climatic variations of this Mediterranean landscape would have suited wild species of grazing herbivores that could migrate between these two regions. 6 Although the hunter-gatherer transhumance model is attractive for various reasons...

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Section: Sr Isotope Resultssupporting

confidence: 89%

Faunal migration in late‐glacial central Italy: implications for human resource exploitation

Pellegrini

Donahue

Chenery³

et al. 2008

Rapid Comm Mass Spectrometry

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“…Levin et al, 2006). In addition, the number of stable isotopes studies on fossil horse teeth from other parts of the world has increased significantly, resulting in a growing data base for comparison (Bryant et al, 1994;Sánchez-Chillón et al, 1994;Wang et al, 1994;Delgado Huertas et al, 1995;Bryant et al, 1996aBryant et al, , 1996bKohn et al, 1998;Sharp and Cerling, 1998;Feranec and MacFadden, 2000;Hoppe et al, 2004a;Nelson, 2005).…”

mentioning

confidence: 99%

Oxygen and carbon isotope signatures in late Neogene horse teeth from Spain and application as temperature and seasonality proxies

Dam

Reichart

2009

Palaeogeography, Palaeoclimatology, Palaeoecology

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“…In their investigation of early-mid Pleniglacial climate in Poland, SKRZYPEK et al (2011) calibrate their oxygen isotopic data from bioapatite to temperature using transposed fits of x(y) but do not report the associated errors. When their data for mammoth and horse samples are reprocessed using the methods outlined in this paper (using the equations of AYLIFFE et al1992 andDELGADO HUERTAS et al 1995), the errors in T are calculated to be ±4.3-4.6ºC and ±8.0ºC respectively.…”

Section: Errors In the Conversionmentioning

confidence: 99%

“…Here, we explore the application of standard statistical analysis to the issue of data calibration in the context of generating estimates of past temperature across a wide span of geological time (ARPPE and KARHU, 2010;DELGADO HUERTAS et al, 1995;FABRE et al, 2011;KOVÁCS et al, 2012;KRZEMIŃSKA et al, 2010;MATSON and FOX, 2010;SKRZYPEK et al, 2011;TÜTKEN et al, 2007;UKKONEN et al, 2007; VAN DAM and REICHART, 2009). Our methods are similar to those used in POLLARD et al (2011) who outline the errors associated with inferring geographical origin from individual human bioapatite measurements We first review some of the methods commonly used for regression analyses that facilitate the conversion of δ 18 O bioapatite - (DELGADO HUERTAS et al, 1995) and elephants (AYLIFFE et al, 1992): although based on small datasets, both are widely applied (ARPPE and KARHU, 2010;BOS et al, 2001;DELGADO HUERTAS et al, 1995;FABRE et al, 2011;KOVÁCS et al, 2012;KRZEMIŃSKA et al, 2010;MATSON and FOX, 2010;SKRZYPEK et al, 2011;TÜTKEN et al, 2007;UKKONEN et al, 2007).…”

mentioning

confidence: 99%

“…Our methods are similar to those used in POLLARD et al (2011) who outline the errors associated with inferring geographical origin from individual human bioapatite measurements We first review some of the methods commonly used for regression analyses that facilitate the conversion of δ 18 O bioapatite - (DELGADO HUERTAS et al, 1995) and elephants (AYLIFFE et al, 1992): although based on small datasets, both are widely applied (ARPPE and KARHU, 2010;BOS et al, 2001;DELGADO HUERTAS et al, 1995;FABRE et al, 2011;KOVÁCS et al, 2012;KRZEMIŃSKA et al, 2010;MATSON and FOX, 2010;SKRZYPEK et al, 2011;TÜTKEN et al, 2007;UKKONEN et al, 2007). We use them as an example to show that correct mathematical handling of the data facilitates a more rigorous data-conversion process, and gives a clearer statement of the inherent uncertainties in the predictions being made from the existing data.…”

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confidence: 99%

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Quantification and propagation of errors when converting vertebrate biomineral oxygen isotope data to temperature for palaeoclimate reconstruction

Pryor

Stevens

O’Connell

et al. 2014

Palaeogeography, Palaeoclimatology, Palaeoecology

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Oxygen isotope analysis of bioapatite in vertebrate remains (bones and teeth) is commonly used to address questions on palaeoclimate from the Eocene to the recent past. Researchers currently use a range of methods to calibrate their data, enabling the isotopic composition of precipitation and the air temperature to be estimated. In some A C C E P T E D M A N U S C R I P T ACCEPTED MANUSCRIPT2 situations the regression method used can significantly affect the resulting palaeoclimatic interpretations. Furthermore, to understand the uncertainties in the results, it is necessary to quantify the errors involved in calibration. Studies in which isotopic data are converted rarely address these points, and a better understanding of the calibration process is needed. This paper compares regression methods employed in recent publications to calibrate isotopic data for palaeoclimatic interpretation and determines that least-squares regression inverted to x = (y − b) / a is the most appropriate method to use for calibrating causal isotopic relationships. We also identify the main sources of error introduced at each conversion stage, and investigate ways to minimise this error. We demonstrate that larger sample sizes substantially reduce the uncertainties inherent within the calibration process: typical uncertainty in temperature inferred from a single sample is at least ±4ºC, which multiple samples can reduce to ±1-2ºC. Moreover, the gain even from one to four samples is greater than the gain from any further increases. We also show that when converting δ 18 O precipitation to temperature, use of annually averaged data can give significantly less uncertainty in inferred temperatures than use of monthly rainfall data. Equations and an online spreadsheet for the quantification of errors are provided for general use, and could be extended to contexts beyond the specific application of this paper.Palaeotemperature estimation from isotopic data can be highly informative for our understanding of past climates and their impact on humans and animals. However, for such estimates to be useful, there must be confidence in their accuracy, and this includes an assessment of calibration error. We give a series of recommendations for assessing uncertainty when making calibrations of δ 18 O bioapatite -δ 18 O precipitationTemperature. Use of these guidelines will provide a more solid foundation for palaeoclimate inferences made from vertebrate isotopic data.

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Oxygen isotope variations of phosphate in mammalian bone and tooth enamel

Cited by 156 publications

References 15 publications

Faunal migration in late‐glacial central Italy: implications for human resource exploitation

Faunal migration in late‐glacial central Italy: implications for human resource exploitation

Oxygen and carbon isotope signatures in late Neogene horse teeth from Spain and application as temperature and seasonality proxies

Quantification and propagation of errors when converting vertebrate biomineral oxygen isotope data to temperature for palaeoclimate reconstruction

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