Preliminary Study on the State of Health of Prehistoric Popula- Tion Distributed in the Yellow River Valley
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Chinese Archaeology 11 (2011): 197–200 © 2011 by Walter de Gruyter, Inc.· Boston · Berlin. DOI 10.1515/CHAR–2011–025 Preliminary study on the state of health of prehistoric popula- tion distributed in the Yellow River Valley Jianhua Wang* human specimens whose ages are identified. For longi- tudinal analysis, we partition the archaeological data into * School of Tourism and Historical Culture, Southwest four broadly-defined consecutive phases of Peiligang, Nationalities University, Chengdu 610041, email: Yangshao, Longshan, and Erlitou. In addition, the dataset [email protected] of Dawenkou Culture is exceptionally rich; therefore, it is treated separately in the following discussion. Abstract To date, 49 burial assemblages recovered from the Yel- low River Valley meet our self-imposed data requirement. An integrated study of the prehistoric population in Based on the age estimates of the 49 human groups, we the Yellow River valley suggests that, as time went have derived the average age for each of the groups and on, their average age and body height tended to reduce the general average age by archaeological phases (see and the prevalence to increase. It evidences that their Table 1). For Peiligang Phase (3 sites), the male aver- physical condition was gradually worsened from the age age is 39.69, the female average age is 33.07, and the Peiligang Period to the Erlitou Period. This phenomenon general average age is 33.10 (see footnote of the table for was directly concerned with the change of prehistoric derivation of general average age). For Yangshao Phase environments and the process of social complexity. (20 sites), the male average age is 38.64, the female aver- age age is 34.45, and the general average age is 33.63. Keywords: health; prehistoric population–demography; For Dawenkou Phase (13 sites), the male average age is processes of social complexity; the Yellow River Valley. 33.91, the female average age is 32.33, and the general average age is 27.45. For Longshan Phase (9 sites), the male average age is 36.18, the female average age is Introduction of the issue 32.49, and the general average age is 35.39. Finally, for Erlitou Phase (4 sites), the male average age is 35.25, the The expanding scope of archaeology since 1960s has grad- female average age is 30.96, and the general average age ually directed the attention of scholars towards questions is 29.11. Two intriguing trends can be summarized from concerning the state of nutrition and health of prehistoric the above summary. First, male average age in general population. The theme of these studies is to assess the is higher than female average age across archaeological nutrition and health statuses of past human groups through phases. Second, the general average age of archaeologi- studying the skeletal remains with methods of physical an- cal phases decreased through time. thropology. In addition, they lay the ground for monitoring The longitudinal fluctuation of average age among the intertwining relationship between social development, the prehistoric human groups of the Yellow River Valley environmental change and the state of nutrition and health was correlated to the processes of social complexity. The of past population. Studies of past nutrition and health degree of social complexity during Longshan and Erlitou comprise of three areas of study in physical anthropology, Phases indicates that social stratification had emerged. namely, age composition, pathology and diet. This paper One of the consequences of the appearance of social strat- is a preliminary effort to evaluate the state of health of the ification coupled with the strengthening of private proper- prehistoric population distributed in the Yellow River Val- ty was the intensification of predatory warfare. The most ley. It is based on systematic analysis of the average age, direct result of warfare was mass fatality, particularly that average height and prevalence extrapolated from the extant of young and mature adults who participated in combat. dataset of physical anthropology. The mass fatality of younger age groups had detrimental effect on the average age of the population, leading to the Average age of the prehistoric population dis- decrease of general average age of the population. tributed in the Yellow River Valley In addition, the dynamics of average age of the prehis- toric population in the Yellow River Valley are consistent Average age is one of the important indicators of the with the results of archaeological study of environmental health of a population. The longitudinal fluctuation of oscillations. Past environmental studies indicate that the average age reveals the effects of social development and Yellow River Valley experienced several major climatic environmental change to the general health of human and environmental oscillations. Overall, the climatic population. We subscribe the static population model for conditions of Yangshao Phase were the most favorable. the following study. To fulfill statistical requirements, As a result, the average age of this phase was the high- we use only the burial assemblages yielding at least 20 est among the archaeological phases under study. After 2011考古杂志新版.indd 197 11-10-31 上午10:41 198 J. Wang: Preliminary study on the state of health of prehistoric population distributed in the Yellow River Valley Table 1 Average ages of the prehistoric groups distributed in the Yellow River Valley. Sexes Male Female General Sexes Male Female General Average Average Average Average Average Average Sites Age* Sites Age* Jiahu 40.66 35.84 34.50 Dawenkou 34.88 34.53 32.17 General Jiahu 40.66 35.84 34.50 Wangyin 35.78 33.96 33.49 average Shigu 34.02 28.94 31.94 Dadunzi 37.28 37.02 35.66 age, Peili- gang Phase Baijiacun 44.38 34.44 32.87 Liulin 36.32 34.89 33.79 39.69 33.07 33.10 Jianxin 31.34 26.11 25.70 Yuanjunmiao 34.97 30.54 29.00 General Wucun 29.83 29.93 16.83 aver- Beishouling 41.03 35.35 39.11 age age, Fujia 25.84 28.11 24.56 Jiangzhai I 35.66 30.60 30.12 Dawenkou Chengzi 33.33 31.95 32.61 Phase Jiangzhai II 41.27 38.73 38.47 Yuchisi 31.03 30.58 14.08 Hengzhen 37.42 30.91 29.70 Yedian 38.53 34.21 26.66 Fulianbao 42.13 35.90 34.70 Sanlihe 40.08 37.84 33.17 Shijia 42.61 40.94 39.51 Xixiahou 39.86 35.35 26.88 Longgangsi 37.36 32.77 32.50 Huating 26.72 25.75 21.21 Hejiawan 37.65 36.38 33.19 33.91 32.33 27.45 General Lüjiaya 36.67 40.00 36.55 Sanlihe 37.19 42.06 38.09 average age, Yang- Xiawanggang I 43.68 39.91 36.57 Yinjiacheng 34.98 36.25 31.38 shao Phase Xiawanggang II 42.07 36.66 36.79 Chengzi 34.72 30.83 28.36 Wangwan I 30.30 21.90 27.50 Dahecun 38.97 23.80 34.79 General Dahecun 35.86 36.89 35.45 average Wangwan II 31.35 28.50 29.50 age, Long- Hongshanmiao 41.60 24.86 32.03 shan Phase Xinhua 42.12 34.88 37.28 Liuwan 37.86 37.89 36.58 Liuwan 36.76 35.71 35.14 Yinwa 35.75 26.67 27.93 Qinweijia 38.25 29.87 30.32 Yuanyangchi 47.16 47.38 38.19 Caiyuan 31.27 30.50 26.61 Dadiwan 38.46 28.29 29.40 36.18 32.49 32.39 Yangshan 33.37 36.50 29.33 Youyao 33.74 25.89 28.46 38.64 34.45 33.63 General Donghuishan 31.34 27.79 26.92 average age, Erli- Huoshougou 32.95 32.00 29.56 tou Phase Ganguya 42.97 38.17 31.51 35.25 30.96 29.11 *General average age is derived from all the human interments that have been estimated to age, including those have not been identified to sex. Yangshao Phase, the climatic conditions started to deteri- of 5000 BP as an example. By that time the average ages orate. In particular, the several events of significant fall in of the varying human groups of the Yellow River Valley temperature levied considerable effect on the longevity of were, in general, low. In particular, the general average the population. By the Erlitou Phase, average age was the age of Yuchisi was only 14.08. Environmental change lowest. To illustrate the effect of climatic oscillation to has a series of significant effects on daily life, including the longevity of human population, we take the cold event health and food resources. It directly or indirectly affect- 2011考古杂志新版.indd 198 11-10-31 上午10:41 J. Wang: Preliminary study on the state of health of prehistoric population distributed in the Yellow River Valley 199 ed the longevity of the prehistoric populations distributed of manual labor and functional pressure and the graduate in the Yellow River Valley at different times. decrease in male average height. Therefore, the decrease To sum, the processes of social complexity and environ- in body height suggests the deterioration of human health mental change effected the average age of the prehistoric through time. populations distributed in the Yellow River Valley. Within the time span under study, human longevity decreased Prevalence of the prehistoric population distrib- through time. To a certain extent, this change indicates the uted in the Yellow River Valley continuous deterioration of the state of health of prehistoric population distributed in the Yellow River Valley. The paleo-pathology data of prehistoric the Yellow River Valley mainly comprise of random studies of individual Male average height of the prehistory popula- sites.