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| 2. | An archaeological test of the “Exchange Expansion Model” of contact era change on the Northwest Coast
Original Research Article
Pages 1-21
Elizabeth A. Sobel
Highlights► The Exchange Expansion Model posits contact era increases in NW Coast Native trade. ► I test the model with analyses of obsidian artifacts from Columbia River sites. ► Results show postcontact increases in intensity but not geographic scope of trade. ► The EEM does not capture the complexity of colonial era shifts in Native exchange. ► A revised model more fully considers Native demography and internal social dynamics.
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| 6. | Pilgrimage as costly signal: Religiously motivated cooperation in Chaco and Nasca
Original Research Article
Pages 66-82
John Kantner, Kevin J. Vaughn
Highlights► Pilgrimage centers can be seen as costly signals of the power of the centers’ leaders. ► Pilgrimage is proposed to serve as costly signals of pilgrims’ religious adherence. ► Both costly signals promote prosocial behavior by promoting cooperation. ► Certain social, political, and ecological contexts stimulate pilgrimage behaviors. ► The histories of two pilgrimage centers are consistent with the costly signal model.
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| 7. | Using spatial analysis to estimate depopulation for Native American populations in northeastern North America, AD 1616–1645
Original Research Article
Pages 83-92
Eric E. Jones, Sharon N. DeWitte
Highlights► We examine ethnohistoric and archaeological data of 17th-century Native American depopulation. ► We used kriging to estimate depopulation among groups with no previous demographic data. ► We examine the patterns of depopulation using current archaeological, genetic, geographical, and historical information. ► Provides new depopulation data and a more complex explanation for the patterns of depopulation.
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Núcleo de Arqueologia e Paleoecologia Laboratório G22 FCHS - Departamento de História, Arqueologia e Património Universidade do Algarve Campus de Gambelas 8005-139 Faro, PORTUGAL Mail: nap.ualg@gmail.comUrl: http://nap-ualg.blogspot.com
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