The forest effect: Biosphere 87Sr/86Sr shifts due to changing land use and the implications for migration studies

Johnson, Lucie; Evans, Jane; Montgomery, Janet; Chenery, Carolyn

doi:10.1016/j.scitotenv.2022.156083

Cited by 12 publications

(15 citation statements)

References 53 publications

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“…The plant samples collected from location 6 (old mining site) on the Pennine Lower Coal Measures range from 0.7145 to 0.7151, and are higher in comparison to the plant 87 Sr/ 86 Sr based on the same geological bedrock, albeit c. 50km north of the site [ 28 ], with a difference of approximately 0.0030. They also contrast with data collected by Johnson [ 29 , 30 ] from the Pennine Coal Measures around Nuneaton, at 0.7103 and 0.7106, immediately south of the 25km catchment border. A further 12 plant samples based on the Precambrian Charnian Supergroup and the Charnwood Diorites southeast of Heath Wood range between 0.7104 and 0.7112, whilst a singular plant at 0.7110 is found on the Ordovician Mountsorrel Igneous Complex [ 29 ] ( Fig 5 ; SI.3—S1 Table S1 File ).…”

Section: Resultscontrasting

confidence: 88%

“… Location 6 samples from this study not included. Additional samples from Johnson [ 29 , 30 ] from the Charnwood area (see Fig 4 ). For information on lithology and sample location see Fig 4 and SI.3—S1 Table in S1 File .…”

Section: Resultsmentioning

confidence: 99%

“…The most extensive bedrock geology in the 25km catchment is the Triassic Mercia Mudstone Group (Sample 2; Fig 5 ; SI.3—S1 Table S1 File ), which ranges between 0.7095 and 0.7109 based solely on our plant samples, and between 0.7095 and 0.7124 when including samples from Evans et al . [ 27 , 28 ] and Johnson [ 29 , 30 ]. Due to its proximity to Repton and Heath Wood, the results from sample location 3 are also highly relevant.…”

Section: Resultsmentioning

confidence: 99%

“…Excluding the three samples from location 6, the variation seen in the plants from all locations measured in this study, including those measured by Evans et al . [ 27 , 28 ] and Johnson [ 29 , 30 ], ranges from 0.7091 to 0.7131 ( Fig 5 ). We are here using this as a conservative BASr range.…”

Section: Discussionmentioning

confidence: 99%

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Sr analyses from only known Scandinavian cremation cemetery in Britain illuminate early Viking journey with horse and dog across the North Sea

et al. 2023

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The barrow cemetery at Heath Wood, Derbyshire, is the only known Viking cremation cemetery in the British Isles. It dates to the late ninth century and is associated with the over-wintering of the Viking Great Army at nearby Repton in AD 873–4. Only the cremated remains of three humans and of a few animals are still available for research. Using strontium content and isotope ratios of these three people and three animals–a horse, a dog and a possible pig–this paper investigates the individuals’ residential origins. The results demonstrate that strontium isotope ratios of one of the adults and the non-adult are compatible with a local origin, while the other adult and all three animals are not. In conjunction with the archaeological context, the strontium isotope ratios indicate that these individuals most likely originated from the area of the Baltic Shield–and that they died soon after arrival in Britain. This discovery constitutes the first solid scientific evidence that Scandinavians crossed the North Sea with horses, dogs and other animals as early as the ninth century AD.

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Section: Resultscontrasting

confidence: 88%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Sr analyses from only known Scandinavian cremation cemetery in Britain illuminate early Viking journey with horse and dog across the North Sea

et al. 2023

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“…Biosphere mapping of southwest England, guided by geochemical soil profiles [ 34 ], has highlighted areas around the granite intrusions in Devon and Cornwall where Sr in plants reaches values of 87 Sr/ 86 Sr = 0.72 [ 28 ] and Roman and Medieval sheep from this region record 87 Sr/ 86 Sr ratios up to 0.717 [ 35 , 36 ]. In addition, it has been shown [ 37 , 38 ] that well-established forest on certain terrains, typically those with soils derived from both siliceous and carbonate bedrock, will leach out the carbonate component over time, resulting in a more radiogenic signature for the forest area. These developments mean there are now areas of England that can be considered as a possible source region as well as parts of Scotland.…”

Section: Introductionmentioning

confidence: 99%

Applying lead (Pb) isotopes to explore mobility in humans and animals

Evans

Pashley²,

Mee³

et al. 2022

PLoS ONE

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Lead (Pb) isotopes provide a complementary method to other provenance tools for tracking the origin and movement of humans and animals. The method is founded in the geographic distribution of Pb isotope ratios. However, unlike the Sr isotope method that is closely linked to the lithology of underlying rocks, Pb more closely reflects the tectonic regimes. This makes it particularly pertinent to use in Britain as there is major tectonic boundary (the Iapetus Suture) that runs between Berwick-upon-Tweed and the Solway Firth providing a compositional boundary in Pb isotope domains that approximates to the geographic areas of Scotland versus England and Wales. Modern pollution makes it difficult to use modern floral or faunal samples to characterize biosphere variation, and so we use geological datasets to define isoscape variation and present the first Pb isotope map of Britain. We have validated the use of these data form biosphere studies using well provenanced samples. Reference fields of diagnostic compositions, are created in μ-T space and these have been used in a test case to assess the geographic origins of Neolithic animals in Great Britain.

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First insights into human mobility in Neolithic Belgium using strontium isotopic analysis and proteomics: A case study of Grotte de La Faucille (Sclayn, province of Namur)

Hattum

Costas‐Rodríguez

Hobin

et al. 2023

American Journal of Biological Anthropology

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Objectives So far, no 87Sr/86Sr mobility studies have been done for Neolithic remains from Belgium and information on the Sr isotopic variability in the region is scarce. This study aims to explore mobility in a Final Neolithic population from the funerary cave ‘Grotte de La Faucille’, contribute to the understanding of the isotopic composition of bioavailable Sr in Belgium, assess evidence for male mobility using proteomic analysis, and explore possible places of origin for nonlocal individuals. Materials and Methods The 87Sr/86Sr isotope ratio of dental enamel from six adults and six juveniles was determined. Liquid chromatography mass spectrometry‐based protein analysis was employed to identify individuals of male biological sex. 87Sr/86Sr of micromammal teeth, snail shells, and modern plants from three geological areas in Belgium were measured to establish isotopic signatures for bioavailable strontium. Nonlocality was assessed by comparing human 87Sr/86Sr isotope ratios to the 87Sr/86Sr range for bioavailable Sr. Results Four individuals yielded 87Sr/86Sr isotope ratios consistent with a nonlocal origin. No statistical differences were found between adults and juveniles. Three males were detected in the sample set, of which two show nonlocal 87Sr/86Sr values. Discussion This study provides evidence for mobility in Final Neolithic Belgium. The four nonlocal 87Sr/86Sr signatures correspond with the 87Sr/86Sr of bio‐available Sr in Dutch South Limburg, the Black Forest in Southwest Germany, and regions of France, such as parts of the Paris Basin and the Vosges. The results support the ruling hypothesis of connections with Northern France, brought to light by archeological research.

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The forest effect: Biosphere 87Sr/86Sr shifts due to changing land use and the implications for migration studies

Cited by 12 publications

References 53 publications

Sr analyses from only known Scandinavian cremation cemetery in Britain illuminate early Viking journey with horse and dog across the North Sea

Sr analyses from only known Scandinavian cremation cemetery in Britain illuminate early Viking journey with horse and dog across the North Sea

Applying lead (Pb) isotopes to explore mobility in humans and animals

First insights into human mobility in Neolithic Belgium using strontium isotopic analysis and proteomics: A case study of Grotte de La Faucille (Sclayn, province of Namur)

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