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Spatial Structure among the Geometric Earthworks of western Amazonia (Acre, Brazil).

Riris, P., 2020. Spatial Structure among the Geometric Earthworks of western Amazonia (Acre, Brazil). Journal of Anthropological Archaeology, 59 (September), 101177.

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DOI: 10.1016/j.jaa.2020.101177

Abstract

Field­work and desk-based re­search in the west­ern Ama­zon basin has led to an ex­plo­sive growth in the state of knowl­edge sur­round­ing the pre-Columbian ar­chae­ol­ogy of this re­gion. Pre­vi­ously thought to be a sparsely oc­cu­pied en­vi­ron­ment, ar­chae­ol­o­gists have recorded hun­dreds of geo­met­ric earth­works be­tween the Purús and Acre rivers in re­cent years, spurring re­newed in­ter­est in un­der­stand­ing the dis­tri­b­u­tion, age, and func­tion of these struc­tures. A chal­lenge has been to iden­tify pos­si­ble re­la­tion­ships be­tween sites and to place them in their broader land­scape set­ting. The pre­cise spa­tial scale, rel­a­tive im­por­tance of dif­fer­ent fac­tors, and strength of any re­la­tion­ships that con­tributed to shap­ing their dis­tri­b­u­tions re­main an open ques­tion. This pa­per de­vel­ops and ap­plies an ex­plic­itly spa­tial frame­work to ad­dress this prob­lem, draw­ing on a rich body of re­cent re­search in Acre state (Brazil) and ad­vanced point process mod­el­ling. The an­a­lyt­i­cal ap­proach, which is fully doc­u­mented and re­pro­ducible with the ac­com­pa­ny­ing code, in­fers the fac­tors af­fect­ing geo­met­ric earth­work dis­tri­b­u­tion at mul­ti­ple spa­tial scales. This en­ables the first ro­bust pre­dic­tions of ter­ri­to­r­ial in­te­gra­tion in the re­gion, which is dis­cussed con­text of ex­tant ar­chae­o­log­i­cal mod­els. The find­ings sup­port the in­ter­pre­ta­tion that non-strat­i­fied so­ci­eties likely oc­cu­pied Acre dur­ing the late pre-Columbian pe­riod.

Item Type:Article
ISSN:0278-4165
Uncontrolled Keywords:Amazonia; Spatial statistics; Territoriality; Social complexity; South America; Earthworks
Group:Faculty of Science & Technology
ID Code:33998
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:13 May 2020 09:11
Last Modified:01 Jun 2020 13:56

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