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Reconstructing ancient diets and the use of animals and plants augment our understanding of how humans adapted to different environments. Yunnan Province in southwest China is ecologically and environmentally diverse. During the Neolithic and Bronze Age periods, this region was occupied by a variety of local culture groups with diverse subsistence systems and material culture. In this paper, we obtained carbon (δ13C) and nitrogen (δ15N) isotopic ratios from human and faunal remains in order to reconstruct human paleodiets and strategies for animal exploitation at the Bronze Age site of Shilinggang (ca. 2500 Cal BP) in northwest Yunnan Province. The δ13C results for human samples from Shilinggang demonstrate that people’s diets were mainly dominated by C3-based foodstuffs, probably due to both direct consumption of C3 food and as a result of C3 foddering of consumed animals. Auxiliary C4 food signals can also be detected. High δ15N values indicate that meat was an important component of the diet. Analysis of faunal samples indicates that people primarily fed pigs and dogs with human food waste, while sheep/goats and cattle were foddered with other food sources. We compare stable isotope and archaeobotanical data from Shilinggang with data from other Bronze Age sites in Yunnan to explore potential regional variation in subsistence strategies. Our work suggests that people adopted different animal utilization and subsistence strategies in different parts of Yunnan during the Bronze Age period, probably as local adaptations to the highly diversified and isolated environments in the region. [ABSTRACT FROM AUTHOR]

The reconstruction of complex political formations in tropical and subtropical environments has long been challenged by the ephemeral nature of archaeological deposits and the detectability of a settlement hierarchy. This paper presents findings from systematic archaeological surveys in the Lake Dian basin in southwest China to evaluate processes of political differentiation during the Bronze Age (ca. BC 900–100) and identified with the protohistoric kingdom of Dian. We discuss the problems of interpreting political consolidation based on mono-centers and ranked site size distributions. Our approach considers the contingent forms that ‘built’ landscapes can take in the humid subtropics in an effort to understand the variable relationship between politics and spatial scale. Combining traditional survey as well as subsurface methods suited for intensively worked paddy landscapes, we discuss the emergence and timing of multiple nucleated settlements as indicative of peer polity dynamics in the basin and examine the formation histories of large shell mound sites to highlight physical modifications that embedded central places during the Bronze Age period. We show that the boundary between on-site and off-site, living and non-living spaces is not solely determined by the availability of prime land but also by spatial conventions with discrete cultural and historical ramifications. By contextualizing macroscale views on complexity with an understanding of local scales of landscape transformation, we provide an alternative to models of pristine state formation based in temperate alluvial environments. [ABSTRACT FROM AUTHOR]