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- W4383896129 abstract "The mortuary record at Middle Period site Kalawwasa Rummeytak (CA-SCL-134) (2600-1225 cal BP) in California's southern Santa Clara Valley shows pronounced wealth inequality; Olivella shell bead wealth, as well as other grave goods, are concentrated in the burials of several older adult females. The concentration of wealth among women, along with regional strontium isotopic evidence of male-biased residential shifts in early adulthood, suggests a matrilineal kinship system that practiced matrilocal post-marital residence patterns. We suggest local resource enhancement effects incentivized keeping women in their natal communities and investing more in female offspring.With the consent of, and in collaboration with, the Muwekma Ohlone Tribe of the San Francisco Bay Area, this paper employs isotopic analysis (δ15 N and δ13 C, 86 Sr/87 Sr) to examine duration of exclusive breastfeeding, weaning age (complete cessation of breastmilk consumption), early childhood diet, and lifetime residential mobility of individuals interred at Kalawwasa Rummeytak to test the assumption that the site inhabitants favored matrilocality and that female offspring received greater levels of investment in groups with female wealth/status attainment. First molars, third molars, and bone was sampled from 22 individuals.The average weaning age for females at Kalawwasa Rummeytak is 36.3 months ± 9.7 (1 SD), or just over 3 years. The average weaning age for males is 31.2 ± 7.9 months (1 SD), or about 2.6 years. Infants at the site were provisioned with supplemental foods dominated by C3 plants and terrestrial herbivores, as well as anadromous fish. After weaning, individuals consumed a diet dominated by acorns, C3 plants, and terrestrial herbivores, with periodic inclusion of anadromous fish. 30% of the sampled population of females exhibit local first molar 87 Sr/86 Sr values, suggesting that Kalawwasa Rummeytak is their natal community. None of the males interred at the site are locals.Despite the small sample size often unavoidable in archaeological contexts, we find possible female-biased parental investment strategies. Cessation of breastfeeding (weaning) was, on average, 5 months earlier for males compared to females. There are no differences between females and males in the consumption of supplemental or post-weaning foods. Strontium data suggest a flexible postmarital residence system that favored matrilocality. This may have incentivized greater investment in female offspring." @default.
- W4383896129 created "2023-07-12" @default.
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- W4383896129 date "2023-07-11" @default.
- W4383896129 modified "2023-09-25" @default.
- W4383896129 title "Sex‐biased parental investment and female wealth accumulation in ancient <scp>California</scp>" @default.
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- W4383896129 doi "https://doi.org/10.1002/ajpa.24806" @default.
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