西江中游文化区的生业经济及其发展阶段

西江中游地区是岭南历史文化区内一个相对独立的考古学文化区,新石器时代大致经历了三种生业经济形态,早期是一种广谱的渔猎采集经济,中期是一种利用贝类为主的渔猎采集经济,晚期是较发达的稻作农业经济。演进过程在整个文化区内具有一致性。贝类利用自新石器时代早期开始呈现出一种显著强化的趋势,但一直未在食物结构中占据主要地位。     

Diet and Oral Health of Populations that Inhabited Central Argentina (Córdoba Province) during Late Holocene

The aim of this work is to study, from a bioarchaeological perspective, the diet and oral health of the populations that inhabited Central Argentina in two periods which would reflect changes in subsistence strategies: earlier late Holocene (ca. 2500–1500 years BP) and later late Holocene (ca.1500–400 years BP). The sample is composed by 83 adult individuals from 47 archaeological sites. We considered five non‐specific indicators of stress, infectious and degenerative diseases: hypoplasia of dental enamel, dental caries, abscesses, antemortem teeth loss, and calculus. We also considered hypercementosis, dens in dens, and agenesis. We test intraobserver error by means of intraclass correlation coefficient and analysis of variance of repeated measures. We calculated prevalence by sex, age, geographic subregion, and chronological period. We applied Chi‐square (X²) to test statistical significance of observed differences. Considering the sample as a whole, low prevalence of dental caries (10.27%), abscesses (16.52%), and hypoplasia (10.84%) are coincident with values observed for populations with mixed or hunter‐gathering subsistence strategy. In later late Holocene, high incidence of caries should be considered as indicator of consumption of C4 vegetables or other carbohydrate‐rich vegetables, such as legumes of Prosopis sp. Also, moderate values of dental enamel hypoplasia should be related with metabolic‐systemic stress episodes. Summarizing, these results are coincident with isotopic, archaeological, and ethnohistorical evidences which suggest climatic, social, and demographic pressures that might have affected the lifestyle of these populations before the Spanish conquest. Copyright © 2012 John Wiley & Sons, Ltd.     

Intertidal Foraging on Atolls: Prehistoric Forager Decision-Making at Ebon Atoll,Marshall Islands

Prehistoric molluscan assemblages provide insights into long-term patterns of human landscape use, environmental change, and human impacts to marine resources. The investigation of forager decision-making regarding the selection of certain mollusc taxa and/or the exploitation of particular habitats is fundamental to understanding human-environment interactions in the past, and is relevant for understanding trajectories of human impacts to the intertidal zone in coastal settings. We document variability in the collection of molluscs at two archaeological sites on Ebon Atoll, Republic of the Marshall Islands: one on a windward, intermittently occupied islet, and the other on a permanently inhabited leeward islet. All molluscan taxa were assigned to a range of habitats within a hierarchical classification scheme for intertidal marine environments. The relative abundance of taxa from each habitat was used as a proxy for forager decision-making. We report a generalized, non-selective, foraging strategy focused on gastropod taxa from the high intertidal and supratidal. These results indicate that rather than focusing intensively on select taxa, intertidal foragers targeted particular marine habitats, taking advantage of the predictable behaviors of the molluscs that inhabit them.     

Evaluating Ancient Whale Exploitation on the Northern Oregon Coast Through Ancient DNA and Zooarchaeological Analysis

Whales have long been an important part of Pacific Northwest Coast human subsistence and lifeways. Native peoples on the Oregon Coast were not known to hunt whales, but a humpback whale phalange with an embedded bone harpoon at the Par-Tee site (35CLT20) and ethnographic accounts raised the possibility of opportunistic whale hunting. We analyzed a suite of whale remains from Par-Tee and performed ancient DNA-based species identifications on 30 specimens. The assemblage includes gray whales (Eschrichtius robustus, 60.7% of the assemblage), humpbacks (Megaptera novaeangliae, 32.1%), minkes (Balaenoptera acutorostrata, 3.6%), and orcas (Orcinus orca, 3.6%). While the species composition is similar to those found in archaeological deposits from systematic whaling areas in Washington and Vancouver Island, bone modification patterns and element representation reveal important differences. Our analysis demonstrates that whales were likely a supplementary part of human subsistence at Par-Tee and, while opportunistic whale hunting likely occurred, it may have been secondary to scavenging and utilization of beached and/or drift whales.     

Economic Change in the Prehistoric Hexi Corridor (4800–2200 bp), North‐West China

It is widely known that the Hexi Corridor in North‐West China lies at a hub of trans‐Eurasian cultural exchange. Its role became increasingly important during the late prehistoric period, particularly as the ancient Silk Road began to be used. While the profound transformation of local cultural characteristics in the late Neolithic and the Bronze Age is well documented, the detailed economic dynamics of cultural evolution have not yet been clearly illustrated. In this paper, we report on significant new zooarchaeological and faunal isotopic data from the Neolithic and Bronze Age sites in the Hexi Corridor. The primary objective is to systematically reconstruct the prehistoric economic context of this area by combining these new data with previous archaeological studies and radiocarbon dates. We argue that the primary economic activities of local inhabitants changed dramatically in the prehistoric Hexi Corridor. This was marked by agricultural production at c.4800–4000 bp , agro‐pastoral production at c.4000–3000 bp and animal husbandry at c.3000–2200 bp , respectively. The major subsistence strategies of these three periods show considerable variation. It is very likely that these transformations of economic patterns in the prehistoric Hexi Corridor were primarily triggered by transcontinental cultural exchange and, to a lesser extent, by climate change.     

The Archaeology of Global Encounters Viewed from Banda, Ghana

West African societies have long been enmeshed in interregional, subcontinental, and intercontinental relations. Documents tell us little about how local life was shaped by its intersection with global processes, especially in coastal hinterlands. In this paper I report on archaeological investigations into the changing contours of local life in the Banda area of west central Ghana over the past seven centuries. Excavations at three temporally distinct occupations on two sites—Makala Kataa and Kuulo Kataa—document changes in settlement, craft production, subsistence, and exchange, providing insights into the dynamics of local life during a period of expanding global networks. A concluding section addresses why this type of research is important for our understanding of ancient African societies. Les sociétés Ouest Africaines sont depuis longtemps parties prenantes dans les relations inter-régionales, sous-continentales et inter-continentales. Les documents ne nous disent pas grand chose sur la manière dont la vie locale a été façonnée par cette interaction avec les processus mondiaux, particulièrement dans les arrières pays côtiers. Dans cet article, je rends compte des recherches archéologiques concernant les changements dans la vie locale intervenus dans la région de Banda au centre ouest du Ghana au cours des sept derniers siècles. Les fouilles dans trois occupations temporellement distincts sur deux sites—Makala Kataa et Kuulo Kataa—mettent en évidence les changements dans l'occupation, la production artisanale, les modes de subsistances et les échanges, donnant un aperçu des dynamiques de la vie locale durant une période d'expansion des réseaux mondiaux d'échange. La conclusion aborde les raisons pour lesquelles ce type de recherche est important pour notre compréhension des anciennes sociétés africaines.     

The Pleistocene Later Stone Age south of the Limpopo River

The earliest Later Stone Age (LSA) industries from southern Africa are microlithic and unstandardized and include the bipolar technique. The dating of these industries is controversial and the earliest microlithic industry is said to occur at Border Cave at about 39,000 B.P. By 18,000 B.P. a bladelet tradition was established and this was replaced in many parts of southern Africa, at about 12,000 B.P., by a widespread and prolific nonmicrolithic industry, characterized by side-struck flakes. The late Pleistocene environment was colder than present, with particularly harsh conditions during the Last Glacial Maximum (LGM), between about 20,000 and 18,000 B.P. Populations may have been isolated because archaeological visibility is low during the LGM and decreases further after the LGM. After 13,000 B.P. there is a dramatic increase in sites and this implies that there may have been widespread colonization of territory previously unoccupied for tens of thousands of years. By the end of the late Pleistocene there was a change in hunting patterns, in parts of southern Africa, from an emphasis on the capture of large, gregarious grazers to an emphasis on small, solitary browsers. Social complexity increased during the late Pleistocene, and by 12,000 B.P. it seems possible that Stone Age people were observing some social practices recorded historically among Bushmen (San).     

The Virgin Anasazi,far western Puebloans

In the American Southwest, the Virgin Anasazi region included the western part of the Colorado Plateaus and the river valleys of the adjoining Mojave Desert in Utah, Nevada, and Arizona. This occupation spanned the Puebloan periods from Basketmaker II to Early Pueblo III, roughly A.D. 1 to A.D. 1200. Virgin Anasazi subsistence combined cultivation with hunting and gathering. Current research is unveiling a prehistoric society with flexible food procurement strategies and group organization. They underwent a version of the pit house-to-pueblo transition familiar from the Kayenta and northern San Juan areas. Both intra- and interregional exchange seems to have peaked in Late Pueblo II times and then fallen off prior to the end of their culture history. Face-to-face communities remained small, even into the late 1100s, when other Anasazi areas saw the beginnings of aggregation. Their fate, early in the widespread abandonment of the northern Southwest, remains to be understood.     

Holocene prehistory of the northernmost north Pacific

We examine evidence for Holocene contact between Asia and North America across what is now the Bering Strait, emphasizing maritime adaptation. After 10,000 B.P. residual influence of the Siberian Paleolithic is clear, and derivative Americans were moving southward along the open Pacific coast and settling in the eastern Aleutian Islands. By 6000 B.P. maritime adaptation is evident in the Kodiak Island region, and expansion westward brought colonization of the entire Aleutian chain of islands before 3000 B.P. In Asia there was marine subsistence on Hokkaido by 6000 B.P, but in the lower Amur River region, the southern and northern regions of the Okhotsk Sea, the coast of Kamchatka, and the Chukchi Peninsula no major maritime interest can be dated until after 2700 or even 2500 B.P In north Alaska, the mainland was cut off from Siberia by 6000 B.P with the rise of postglacial seas, but contact was reestablished 5000 B.P at the cultural level of the nonmaritime Siberian Neolithic. Pronounced marine orientation appears intrusively in north Alaska somewhat before 3000 B.P, when the only known source for the technology was the region extending from the Gulf of Alaska through the Aleutian Islands. Thereafter developed the maritime culture of the historic Eskimo people.     

Prehistoric Human Impacts to Marine Mollusks and Intertidal Ecosystems in the Pacific Islands

From long-term stratigraphic records in Pacific Island archaeological sites, researchers have documented alterations to molluskan species richness and abundance, decreases or increases in mollusk shell size and, in rare cases, human foraging may have contributed to the extirpation of mollusk taxa. Mollusks perform critical ecosystem functions in tropical intertidal environments, including improving water quality through filtration, regulating algal cover, and increasing habitat and substratum complexity through ecosystem engineering. These critical ecosystem functions can be negatively affected by human foraging, possibly contributing to decreased resilience of coral reefs to climatic alterations. We review modern ecological research on human impacts to mollusks and intertidal ecosystems that illustrates the mechanisms and effects of human foraging. We then examine centuries to millennial scale archaeological records from the Pacific Islands to understand long-term, time-averaged trends in human impacts to intertidal ecosystems.