Resumen

STEFFAN, Pamela G.. Paleoenvironmental analysis of the malacological studies conducted at Paso Otero 1 Site (pampean region, Argentina). Intersecciones antropol. [online]. 2007, n.8, pp.173-184. ISSN 1850-373X.

In this paper, paleoclimatic and paleoenvironmental conditions at Paso Otero 1 are inferred for the Holocene, particularly from ca. 4800 to 2900 BP. Paso Otero 1 is located in the area of the middle basin of the Quequén Grande river (Interserrana Bonaerense area, Pampean region). Analysis of the faunal composition of gastropod fauna included different aspects: diversity of represented species in the sample, measurements of relative abundance of individuals by species, and the distribution of frequencies for sampled levels. The results indicate greater humidity toward ca. 4800 BP and an increase in temperature toward 2900 BP. The analyses enable the environmental information of the fossil gastropods to be evaluated, contributing data on local environmental conditions.

Palabras clave : Paleoenvironment; Holocene; Interserrana Bonaerense Area; Paso Otero 1.

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