Climate change, uncertainty and prehistoric hunter–gatherer mobility

Morgan, Christopher

doi:10.1016/j.jaa.2009.07.004

Cited by 55 publications

(34 citation statements)

References 76 publications

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“…The territory utilized by these hunters-gatherers must be connected and interrelated with social, economic, ideological, and/or symbolic aspects (Binford 1978(Binford , 1980Ingold 1993;Morgan 2009;Politis 1996).…”

Section: Distribution Of Early Points and Mobilitymentioning

confidence: 99%

The Paleoamerican Occupation of the Plains of Uruguay: Technology, Adaptations, and Mobility

Suárez

2015

PaleoAmerica

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This paper presents results of investigation of an early archaeological site in Uruguay, and considers its position on a regional scale. Pay Paso 1 is the first early site of Uruguay to yield both artifacts and faunal remains including records of Pleistocene fauna (Equus sp. and Glyptodon sp.) in a radiocarbon-dated stratigraphic context. From stratigraphic, chronological and archaeological observations, three cultural components for the Pleistocene-Holocene transition have been identified, together representing one of the most intensively AMS dated sites in South America. This solid chronological base allows the positioning of the peopling of Uruguay in the context of the early settlement of the surrounding region including northeastern Argentina and southern Brazil. The site is also remarkable because it yielded evidence of a blade technology at 12,802 cal yr BP, with numerous blades and a depleted blade core, which, together with the records from Laguna Canosa and K87 (Arroyo del Tigre), permit the definition of the Tigre and Pay Paso Paleoamerican cultural complexes. Tigre and Pay Paso bifacial points were produced in postFishtail times in the Low Plains, a vast open territory in Uruguay and southern Brazil.

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Section: Distribution Of Early Points and Mobilitymentioning

confidence: 99%

The Paleoamerican Occupation of the Plains of Uruguay: Technology, Adaptations, and Mobility

Suárez

2015

PaleoAmerica

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“…We suggest that the climate was not sufficiently arid to change vegetation markedly, and that climatic instability of this time may have caused regional abandonment, i.e. frequent annual‐scale drought events as opposed to a single millennial‐scale event (Morgan, 2009; Sandweiss et al , 2009).…”

Section: Discussionmentioning

confidence: 99%

Two paleoecological histories spanning the period of human settlement in southeastern Brazil

Raczka

Oliveira

Bush

et al. 2012

J Quaternary Science

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The absence of human occupation sites in southeastern Brazil during the mid Holocene has been referred to as the 'Archaic Gap' (8970-1940 cal. a BP) and is predicted to have resulted from increased aridity. A ca. 14 000 cal. a pollen history from two well-dated lake sediment cores located within the archeological district of Lagoa Santa, in the State of Minas Gerais, southeastern Brazil, was used to test this hypothesis. Our analyses indicated that the present cerrado and tropical semi-deciduous forest mosaic persisted throughout the mid Holocene, until ca. 5500 cal. a BP, and the Lagoa Santa region did not experience especially dry conditions during the Holocene period. The early Holocene pollen spectra contained an assemblage of cold-adapted taxa such as Podocarpus, Myrsine and Araucaria, co-occurring with taxa from cerrado, e.g. Caryocar. A replacement of cold taxa by the modern cerrado-semideciduous forest vegetation took place progressively, but appears to have been completed by the mid Holocene. No evidence of sustained drought was found in sedimentation or forest composition, nor any prolonged dry event in the study region. Holocene dryness as an explanation for the abandonment of Lagoa Santa region is not supported by the palynological analyses conducted in this study. Rather it is suggested that unpredictable climate may have underlain that abandonment.

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“…Many archaeologists are reluctant to return to the subject despite the fact that the evolution of central place use is of fundamental importance to the reconstruction of hominin social organisation. Identifying central places and sites of aggregation in the archaeological record has proven difficult (Conkey, 1980;Diez-Martin et al, 2008;Hofman, 1994;Morgan, 2009), as has establishing the functional site typologies that will be required for the delineation of logistical mobility (Binford, 1980;Donahue and Lovis, 2006;Morgan, 2008;Straus, 1986), yet it is clear that persistent places in hominin landscapes are integral to many elements of the subsistence strategy. Hunter-gatherers travel vast distances, with logistical groups often away from the base camp for many nights at a time; it is only the presence of a known aggregation location that permits groups to re-form.…”

Section: Discussionmentioning

confidence: 99%

Logistical mobility reduces subsistence risk in hunting economies

Grove

2010

Journal of Archaeological Science

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Climate change, uncertainty and prehistoric hunter–gatherer mobility

Cited by 55 publications

References 76 publications

The Paleoamerican Occupation of the Plains of Uruguay: Technology, Adaptations, and Mobility

The Paleoamerican Occupation of the Plains of Uruguay: Technology, Adaptations, and Mobility

Two paleoecological histories spanning the period of human settlement in southeastern Brazil

Logistical mobility reduces subsistence risk in hunting economies

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