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"Frachetti, Michael D."
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Globalization in prehistory : contact, exchange, and the \people without history\
\"Globalization in Prehistory challenges traditional historical and archaeological discourse about the drivers of social and cultural connectivity in the ancient world. It presents archaeological case studies of emerging globalization from around the word, from the Mesolithic period, through the Bronze and Iron Ages, to more recent historical times. The volume focuses on those societies and communities that history has bypassed - nomads, pastoralists, fishers, foragers, pirates and traders, among others. It aims for a more complex understanding of the webs of connectivity that shaped communities living outside and beyond the urban, agrarian states that are the mainstay of books and courses on ancient civilizations and trade. Written by a team of international experts, the rich and variable case studies demonstrate the important role played by societies that were mobile and dispersed in the making of a more connected world long before the modern era\"-- Provided by publisher.
Book
Multiregional Emergence of Mobile Pastoralism and Nonuniform Institutional Complexity across Eurasia
In this article I present a new archaeological synthesis concerning the earliest formation of mobile pastoralist economies across central Eurasia. I argue that Eurasian steppe pastoralism developed along distinct local trajectories in the western, central, and (south)eastern steppe, sparking the development of regional networks of interaction in the late fourth and third millennia BC. The “Inner Asian Mountain Corridor” exemplifies the relationship between such incipient regional networks and the process of economic change in the eastern steppe territory. The diverse regional innovations, technologies, and ideologies evident across Eurasia in the mid-third millennium BC are cast as the building blocks of a unique political economy shaped by “nonuniform” institutional alignments among steppe populations throughout the second millennium BC. This theoretical model illustrates how regional channels of interaction between distinct societies positioned Eurasian mobile pastoralists as key players in wide-scale institutional developments among traditionally conceived “core” civilizations while also enabling them to remain strategically independent and small-scale in terms of their own sociopolitical organization. The development of nonuniform institutional complexity among Eurasian pastoralists demonstrates a unique political and economic structure applicable to societies whose variable political and territorial scales are inconsistent with commonly understood evolutionary or corporate sociopolitical typologies such as chiefdoms, states, or empires.
Journal Article
Nomadic ecology shaped the highland geography of Asia’s Silk Roads
There are many unanswered questions about the evolution of the ancient ‘Silk Roads’ across Asia. This is especially the case in their mountainous stretches, where harsh terrain is seen as an impediment to travel. Considering the ecology and mobility of inner Asian mountain pastoralists, we use ‘flow accumulation’ modelling to calculate the annual routes of nomadic societies (from 750 m to 4,000 m elevation). Aggregating 500 iterations of the model reveals a high-resolution flow network that simulates how centuries of seasonal nomadic herding could shape discrete routes of connectivity across the mountains of Asia. We then compare the locations of known high-elevation Silk Road sites with the geography of these optimized herding flows, and find a significant correspondence in mountainous regions. Thus, we argue that highland Silk Road networks (from 750 m to 4,000 m) emerged slowly in relation to long-established mobility patterns of nomadic herders in the mountains of inner Asia.
The authors use modelling to show that the network of trading routes known as the Silk Road emerged from hundreds of years of interactions between pastoralists as they moved their herds and flocks between higher and lower elevations in generally mountainous regions.
Smoothing out the Silk Road (Frachetti 21696, Biology Article, ed Henry Gee)
The Silk Road refers to a network of ancient trade routes that have crossed central Asia since time immemorial. But how did it get started? Conventional models usually start by inferring the easiest paths between sites already known to be part of the network. This introduces a circular argument as it biases the results towards what is already known. Here Michael Frachetti and colleagues take a different approach to show that the network emerged from hundreds of years of interactions between pastoralists moving their livestock between higher and lower elevations in response to the seasons in this generally mountainous region. They suggest that the Silk Road network therefore materialized slowly from the long-established, local mobility patterns of nomadic herders. This finding may encourage archaeologists to seek more nuanced explanations for the evolution of ancient connectivity.
Journal Article
Pastoralist Landscapes and Social Interaction in Bronze Age Eurasia
Offering a fresh archaeological interpretation, this work reconceptualizes the Bronze Age prehistory of the vast Eurasian steppe during one of the most formative and innovative periods of human history. Michael D. Frachetti combines an analysis of newly documented archaeological sites in the Koksu River valley of eastern Kazakhstan with detailed paleoecological and ethnohistorical data to illustrate patterns in land use, settlement, burial, and rock art. His investigation illuminates the practical effect of nomadic strategies on the broader geography of social interaction and suggests a new model of local and regional interconnection in the third and second millennia B.C.E. Frachetti further argues that these early nomadic communities played a pivotal role in shaping enduring networks of exchange across Eurasia.
eBook
Early integration of pastoralism and millet cultivation in Bronze Age Eurasia
Mobile pastoralists are thought to have facilitated the first trans-Eurasian dispersals of domesticated plants during the Early Bronze Age ( ca 2500–2300 BC). Problematically, the earliest seeds of wheat, barley and millet in Inner Asia were recovered from human mortuary contexts and do not inform on local cultivation or subsistence use, while contemporaneous evidence for the use and management of domesticated livestock in the region remains ambiguous. We analysed mitochondrial DNA and multi-stable isotopic ratios (δ 13 C, δ 15 N and δ 18 O) of faunal remains from key pastoralist sites in the Dzhungar Mountains of southeastern Kazakhstan. At ca 2700 BC, Near Eastern domesticated sheep and goat were present at the settlement of Dali, which were also winter foddered with the region's earliest cultivated millet spreading from its centre of domestication in northern China. In the following centuries, millet cultivation and caprine management became increasingly intertwined at the nearby site of Begash. Cattle, on the other hand, received low levels of millet fodder at the sites for millennia. By primarily examining livestock dietary intake, this study reveals that the initial transmission of millet across the mountains of Inner Asia coincided with a substantial connection between pastoralism and plant cultivation, suggesting that pastoralist livestock herding was integral for the westward dispersal of millet from farming societies in China.
Journal Article
Geospatial modelling of farmer–herder interactions maps cultural geography of Bronze and Iron Age Tibet, 3600–2200 BP
Tibetan cultures reflect deeply rooted, regional interactions and diverse subsistence practices across varied high-altitude environments of the Tibetan Plateau. Yet, it remains unclear how these cultural relationships and social interactions took shape through time and how they were influenced by ecologically oriented behavioral strategies (e.g. mobility) emerging in prehistory. Recent applications of network analysis provide novel tools to quantitatively measure shared forms of material culture, but there have been fewer attempts to couple social network analysis with fine-grained geospatial modelling of prehistoric human mobility in Tibet. In this study, we developed an integrated high-resolution geospatial model and network analysis that simulates and correlates subsistence-based mobility and ceramic-based cultural material connectivity across the Tibetan Plateau. Our analysis suggests that (1) ecologically driven patterns of subsistence-based mobility correspond geographically with Bronze and Iron Ages settlement patterns across the Tibetan Plateau; (2) diverse material interaction networks among communities within western and central Tibet and trans-Himalayan connectivity across the broader Inner Asian Mountain Corridor can be linked to modeled differences in regional networks of subsistence mobility. This research provides ecological and archaeological insights into how subsistence-oriented mobility and interaction may have shaped documented patterns of social and material connectivity among regional Bronze and Iron Age communities of the Tibetan Plateau, prompting a reconsideration of Tibet's long-term cultural geography.
Journal Article
Rocks and clay: Potters’ technological choices within the cultural dynamics of Bronze Age Kazakhstan
Through regular interactions with their neighbors, diverse groups inhabiting areas along the Inner Asian Mountain Corridor during the Bronze Age formed dynamic interregional networks that saw the proliferation and persistence of shared material cultures over vast geographic areas. In this paper we advocate for ceramics analyses that combine both macro- and micro-scale technological studies alongside those of style, in order not to lose sight of the actual people who drove defining transformations in the Bronze Age. We present a petrographic study of pottery from the Zhetysu region, southeastern Kazakhstan, to examine diachronic technological traditions with a special focus on routines of selection and raw material processing. Our results demonstrate site-specific potting technologies as well as traits that transcend both time and space across episodes of high genetic turnover in the human population.
Journal Article
Earliest direct evidence for broomcorn millet and wheat in the central Eurasian steppe region
Before 3000 BC, societies of western Asia were cultivating wheat and societies of China were cultivating broomcorn millet; these are early nodes of the world's agriculture. The authors are searching for early cereals in the vast lands that separate the two, and report a breakthrough at Begash in south-east Kazakhstan. Here, high precision recovery and dating have revealed the presence of both wheat and millet in the later third millennium BC. Moreover the context, a cremation burial, raises the suggestion that these grains might signal a ritual rather than a subsistence commodity.
Journal Article
High mitochondrial diversity of domesticated goats persisted among Bronze and Iron Age pastoralists in the Inner Asian Mountain Corridor
Goats were initially managed in the Near East approximately 10,000 years ago and spread across Eurasia as economically productive and environmentally resilient herd animals. While the geographic origins of domesticated goats (Capra hircus) in the Near East have been long-established in the zooarchaeological record and, more recently, further revealed in ancient genomes, the precise pathways by which goats spread across Asia during the early Bronze Age (ca. 3000 to 2500 cal BC) and later remain unclear. We analyzed sequences of hypervariable region 1 and cytochrome b gene in the mitochondrial genome (mtDNA) of goats from archaeological sites along two proposed transmission pathways as well as geographically intermediary sites. Unexpectedly high genetic diversity was present in the Inner Asian Mountain Corridor (IAMC), indicated by mtDNA haplotypes representing common A lineages and rarer C and D lineages. High mtDNA diversity was also present in central Kazakhstan, while only mtDNA haplotypes of lineage A were observed from sites in the Northern Eurasian Steppe (NES). These findings suggest that herding communities living in montane ecosystems were drawing from genetically diverse goat populations, likely sourced from communities in the Iranian Plateau, that were sustained by repeated interaction and exchange. Notably, the mitochondrial genetic diversity associated with goats of the IAMC also extended into the semi-arid region of central Kazakhstan, while NES communities had goats reflecting an isolated founder population, possibly sourced via eastern Europe or the Caucasus region.
Journal Article
Large-scale medieval urbanism traced by UAV–lidar in highland Central Asia
Aerial light detection and ranging (lidar) has emerged as a powerful technology for mapping urban archaeological landscapes, especially where dense vegetation obscures site visibility
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,
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. More recently, uncrewed aerial vehicle/drone lidar scanning has markedly improved the resolution of three-dimensional point clouds, allowing for the detection of slight traces of structural features at centimetres of detail across large archaeological sites, a method particularly useful in areas such as mountains, where rapid deposition and erosion irregularly bury and expose archaeological remains
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. Here we present the results of uncrewed aerial vehicle–lidar surveys in Central Asia, conducted at two recently discovered archaeological sites in southeastern Uzbekistan: Tashbulak and Tugunbulak. Situated at around 2,000–2,200 m above sea level, these sites illustrate a newly documented geography of large, high-altitude urban centres positioned along the mountainous crossroads of Asia’s medieval Silk Routes (6th–11th century CE (Common Era)
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,
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. Although hidden by centuries of surface processes, our pairing of very-high-resolution surface modelling with semiautomated feature detection produces a detailed plan of monumental fortifications and architecture spanning 120 ha at Tugunbulak, thereby demonstrating one of the largest highland urban constellations in premodern Central Asia. Documentation of extensive urban infrastructure and technological production among medieval communities in Central Asia’s mountains—a crucial nexus for Silk Road trade networks
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—provides a new perspective on the participation of highland populations in the economic, political and social formation of medieval Eurasia.
Pairing of very-high-resolution surface modelling with semiautomated feature detection produces a detailed plan of monumental fortifications and architecture spanning 120 ha at Tugunbulak, Uzbekistan, demonstrating one of the largest highland urban constellations in premodern Central Asia.
Journal Article