AMS 14C measurement and preparative techniques at NIES-TERRA

Yoneda, Minoru; Shibata, Yasuyuki; Tanaka, Atsushi; Uehiro, Takashi; Morita, Masatoshi; Uchida, Masao; Kobayashi, Toshiyuki; Kobayashi, Chiaki; Suzuki, Ryō; Miyamoto, Keisuke; Hancock, Boze; Dibden, Chris; Edmonds, John S.

doi:10.1016/j.nimb.2004.04.026

Cited by 64 publications

(27 citation statements)

References 16 publications

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“…To eliminate skeletons from periods other than that of the Okhotsk culture, radiocarbon dating of the Moyoro human skeletons was performed at NIES-TERRA, the accelerator facility of the Institute of Environmental Studies, Ibaraki, Japan (Yoneda et al, 2004b;Komesu et al, 2008). Corrections of +382 ± 16 years for the local reservoir effect (Yoneda et al, 2001) and 90% contribution from marine proteins were applied considering the marine reservoir effect on the 14 C age.…”

Section: Skeletal Samplesmentioning

confidence: 99%

Carbon and nitrogen isotope analyses of human and dog diet in the Okhotsk culture: perspectives from the Moyoro site, Japan

Tsutaya

Naito

Ishida

et al. 2014

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The Okhotsk people were sedentary hunter-gatherer-fishers who lived and prospered in Sakhalin, Hokkaido, and the Kurile Islands during the fifth-thirteenth centuries AD. They expanded rapidly along the north-eastern coast of Hokkaido where archaeological evidence suggests an increasing dependence on hunting marine mammals. In this study, we present the results of carbon and nitrogen isotope analyses of 18 faunal (including two domesticated dogs) and 58 adult human skeletons excavated from the Moyoro site of the Okhotsk culture in eastern Hokkaido. Although the mean human isotope ratios did not differ between sexes, the variances of carbon isotope ratios were significantly greater in males. Carbon and nitrogen isotope ratios suggest that the Moyoro humans and dogs heavily depended on marine foods for their dietary protein intake. The Bayesian mixing model suggests that humans obtained a maximum of 80-90% of their dietary protein from marine mammals, whereas domesticated dogs obtained 2-33%, 3-40%, and 5-45% of dietary protein from brackish-water fish, marine fish, and marine mammals, respectively. This suggests an avoidance of significant dietary overlap between the sympatrically living humans and dogs at the Moyoro site. Significant maritime adaptation would have enabled the subsistence of the Okhotsk people in the harsh northern environment of Hokkaido.

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Section: Skeletal Samplesmentioning

confidence: 99%

Carbon and nitrogen isotope analyses of human and dog diet in the Okhotsk culture: perspectives from the Moyoro site, Japan

Tsutaya

Naito

Ishida

et al. 2014

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“…Because skulls from the Moyoro site, which were preserved at the Hokkaido University Museum, lacked archaeological information, their dates were determined by the radiocarbon method (Yoneda et al 2004), and found to be dated from the seventh to the thirteenth centuries AD, with the marine calibration and local correction to the marine reservoir effect (400 14C years). These dates were in agreement with the Okhotsk culture period.…”

Section: Sample Collectionmentioning

confidence: 99%

Origins and genetic features of the Okhotsk people, revealed by ancient mitochondrial DNA analysis

et al. 2007

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In order to investigate the phylogenetic status of the Okhotsk people that were distributed in northern and eastern Hokkaido as well as southern Sakhalin during the fifth to the thirteenth centuries, DNA was carefully extracted from human bone and tooth remains excavated from archaeological sites. The hypervariable region 1 sequences of the mitochondrial DNA (mtDNA) control region were successfully amplified and 16 mtDNA haplotypes were identified from 37 individuals of the Okhotsk people. Of the 16 haplotypes found, 6 were unique to the Okhotsk people, whereas the other 10 were shared by northeastern Asian people that are currently distributed around Sakhalin and downstream of the Amur River. The phylogenetic relationships inferred from mtDNA sequences showed that the Okhotsk people were more closely related to the Nivkhi and Ulchi people among populations of northeastern Asia. In addition, the Okhotsk people had a relatively closer genetic affinity with the Ainu people of Hokkaido, and were likely intermediates of gene flow from the northeastern Asian people to the Ainu people. These findings support the hypothesis that the Okhotsk culture joined the Satsumon culture (direct descendants of the Jomon people) resulting in the Ainu culture, as suggested by previous archaeological and anthropological studies.

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“…New radiocarbon dates for the human skeletal remains from the Hasekouji-Shuhen site were obtained by NIES-TERRA, the accelerator facility of the Institute for Environmental Studies located at Tsukuba city, Japan (Yoneda et al, 2004). Stable carbon isotope ratios (δ 13 C values) and atomic C/N ratios in collagen were measured by a mass spectrometer with an elemental analyzer (EA-IRMS).…”

Section: Age Of the Skeletonsmentioning

confidence: 99%

Early historic human remains from the Hasekouji-Shuhen site in Kamakura, Japan

Matsumura

Yoneda

Shudai

2006

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Eight human skeletons in a good state of preservation have been recovered from excavations at the Hasekouji-Shuhen site in Kamakura city, Kanto region, Japan. We conducted AMS radiocarbon dating that revealed the skeletons to belong to the early historic Asuka, Nara, and early Heian periods (circa 670-970 calAD). In terms of their cranial, dental, and limb bone measurements, the Hasekouji-Shuhen skeletons exhibit morphological characteristics that show affinities with the earlier Yayoi series, which are generally considered to represent immigrant populations from the Asian continent. Furthermore, an early indication of dolichocephalization was observed in these early historic people, a trait which became more pronounced in later medieval times. Three adult males have scars that may have been caused by assaults with a spear or a sword-like weapon. One male individual exhibits skeletal abnormalities including multiple cartilaginous exostosis.

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AMS 14C measurement and preparative techniques at NIES-TERRA

Cited by 64 publications

References 16 publications

Carbon and nitrogen isotope analyses of human and dog diet in the Okhotsk culture: perspectives from the Moyoro site, Japan

Carbon and nitrogen isotope analyses of human and dog diet in the Okhotsk culture: perspectives from the Moyoro site, Japan

Origins and genetic features of the Okhotsk people, revealed by ancient mitochondrial DNA analysis

Early historic human remains from the Hasekouji-Shuhen site in Kamakura, Japan

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