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This paper presents the results of the analysis of plant macroremains (except wood), primarily seeds and fruits, from Cabo San Pablo 2017 (CSP2017), an archaeological site close to the Atlantic coast of Isla Grande de Tierra del Fuego. CSP2017 has a great diversity of archaeological materials, including faunal, lithic, carpological, and anthracological remains. The data are especially relevant due to the scarcity of information regarding plant use at coastal sites in the region. At CSP2017 eleven taxa were identified. The results obtained provide data on plant use at the site and, at the same time, enable discussion of the management and use of these types of resources on Isla Grande. By placing these results in context with previously studied coastal and hinterland sites, research at CSP2017 contributes to a better understanding of plant use by hunter-gatherers of the southernmost part of South America. [ABSTRACT FROM AUTHOR]

Our paper describes the demarche of our research trail in Ethnoarchaeology over 20 years through various research projects since 1986, when we begun carrying out research projects in Tierra del Fuego (TdF). Our objective was to test and develop the archaeological methodology to open up the possibility of approaching the social organization of prehistoric hunter-fisher-gatherer (HFG) societies. We follow chronologically and discuss the successive stages of our line of research and how one step led us to the next step, structuring a successive series of research projects. The bulky volume of bibliography produced including all the methodological details, empirical data, concrete results, etc... is cited at each step for readers who want to dig deeper into the details. There is also an open repository with all the documentation and information on the TdF projects. The conclusion of this long lasting ethnoarchaeological experimental trail was that it is indeed possible, through Archeology, to determine the existence and functioning of social organization in prehistoric HFG. Along these years following the same system of ethnoarchaeological contrasting, we analyzed the development of the coastal societies of the Northwest Coast of America with that of TdF, considered examples of the opposite extremes of HFG social organization. We stated the preponderance of social norms that regulate reproduction and their direct relationship with the discrimination of women and the division of labor according to sex. We have proposed as an explanation for this divergent development the alternative options for the management of reproduction. To reinforce these conclusions, we replicate through the use of Agent Simulation the effect of specific social norms on the reproduction of five groups of HFG. The conclusions reinforced that social norms that affect biological and social reproduction are critical for the sustainability of societies that do not directly control the reproduction of their resources. [ABSTRACT FROM AUTHOR]

This paper aims to identify technological decisions involved in the production of retouched lithic artifacts recovered from three Late Holocene archaeological sites located in the northeast of the Isla Grande of Tierra del Fuego (Argentina). More specifically, the main goal is to assess whether there is any relationship among raw material selection, retouching intensity, and the morphology of retouched artifacts. Through the analysis of several correlations between the knapping quality of the different raw materials employed and the index of invasiveness and curvature, it is inferred that raw materials were selected according to their homogeneous texture and convex shape in order to produce long retouched edges. As most of the retouched artifacts have been produced on unifacial blanks, using unipolar debitage techniques which does not require specific knapping skills, it is proposed that similarities found in the three archaeological sites can be explained as a result of oral transmission of basic technological knowledge. [ABSTRACT FROM AUTHOR]

This paper focuses on Late Holocene coastal occupations of hunter–gatherers that inhabited the northern steppes of Grande Island of Tierra del Fuego. Available archaeological data produced by our previous research in the Argentine portion of the island located north of San Sebastian Cape is discussed from a regional taphonomy perspective. Our approach is based on the characterization of the main taphonomic modes recognized in the region. Preservational and other patterns for bones and lithics are presented and discussed. Based on the comparative study of isotaphonomic assemblages, general trends in human coastal occupations are discussed. [ABSTRACT FROM AUTHOR]