Thesis (M. Arch.)--University of Utah. / "Limited printing of 250 copies." Bibliography: p. 105-107.

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This study analyzes the vernacular architecture of ancestral Pueblo kivas dating from the Pueblo II (A.D. 900-1150) and Pueblo III (A.D. 1150-1300) periods in the northern, middle, and southern San Juan regions in the American Southwest in order to shed light on communities of practice and their social, temporal, and spatial production practices. This research specifically examines kivas--or round rooms used for ritual and domestic activities--to address how architecture, as a symbolic system, emphasized the ways in which sign-objects were actively mediated by communities of practice and how their semiotic signatures can shed light on material expressions of ancestral Pueblo group identity. The theoretical perspectives used within this study are influenced by the work of educators and anthropologists analyzing the processes by which knowledge and skills are learned and transmitted from one generation to the next--these processes are responsible for the continuity of all material culture. This study adopts a community of practice approach to analyzing ancestral Pueblo kiva architecture for two primary reasons. First, the continuity of all material culture--including architecture--depends on the processes by which knowledge and skills are learned and transmitted from one generation to the next. Second, architectural production is an additive technology in which variations in learning frameworks are encoded as choices made by production groups during construction. The methodological applications used within this study are crucial to the identification and analysis of communities of practice in that additive vernacular architectural forms are encoded with learned production techniques. Learned production techniques were materially manifested as unique modes of fabrication and were recognized as the semiotic signatures of particular communities of practice. This study is the seedling from which larger research may germinate, providing insights into large-scale anthropological processes including identity formation and maintenance, population movement, the psychological effects of population aggregation, the nature and extent of social networks, the transmission and practice of learning, the production and movement of material culture, and the development and dissolution of political and ritual organization.

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abstract: Environmental change has often been cited as affecting choices made whether to pursue cooperative or competitive strategies. The Flagstaff region provides a unique opportunity to address how environmental changes may affect choices made between competition and cooperation. Part of the region was a prehistoric frontier zone between three archaeological cultures and these groups had to contend with a marginal and highly variable climate for agriculture. These regional patterns of climatic variation are well documented and further the eruption of Sunset Crater Volcano in the midst of this frontier zone devastated local environments and reshaped the landscape. As groups re-colonized the frontier zone, they actively sought to negotiate new boundaries using both competitive and cooperative strategies that can be discerned archaeologically, including intergroup violence and the construction and use of communal ritual architecture. Dendroclimatological data is used to identify periods of environmental change and expectations for cooperative and competitive responses to these changes are developed based on anthropological theory and ethnographic case studies. These expectations are then tested against the archaeological record. Three lines of evidence are used to assess changes in levels of competition: (1) use of defensive sites, (2) presence of skeletal trauma, and (3) emergence of specialized social roles and weapons technologies. Two lines of evidence are used to assess changes in levels of cooperation (1) use of communal ritual architecture and (2) patterns of exchange. In some cases the expected relationships between favorable conditions and evidence of increased cooperation and between unfavorable conditions and evidence of increased competition are found. However, in other cases the expectations are not supported, with local historical and cultural contingencies appearing to override environmental influences. Contrasts between patterns of cooperation and competition found in the culturally diverse frontier zone versus the patterns found in the more culturally homogenous heartland are identified that suggest greater likelihood of the emergence of conflict in settings with pre-existing contexts of social differences. / Dissertation/Thesis / Doctoral Dissertation Anthropology 2015

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