Abstract

This research starts with an attempt to determine the patterns of territorial organization and to individualize the models of settlements in relation to the various geomorphological variables in an area of archaeological interest. With reference to the Nuragic age a wide area, that of the Tirso Middle Valley, was considered, within which was possible to define a trend in the locational choice of a settlement in relation to the morphological factors and to the presence of water resources both in the case of the nuraghi a corridoio, and in that of the nuraghi a tholos.
Moreover, the application of a graphic model like that of Thiessen's polygons allowed us to identify a sort of territorial organization subdivided into theoretical districts of different dimensions. The exiguity of the available data led us to analyse a more limited zone, a sample area relating to the territory of the Ottana commune.
The investigation of the geopedological characters relative to a sphere close to the Nuragic site permitted us, therefore, to formulate some hypotheses on the economic choices of the community gravitating to the nuraghi a corridoio and a tholos and allowed us to outline a more ample and complete picture of the human occupation of the territory in Nuragic times.

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