The dietary importance of marine resources is often cited as a factor conditioning spatial organization among huntergatherers. In particular, fishing has been linked with a settled way of life and relatively small home ranges. A case study from Late Holocene southern Patagonia involving stable isotope analysis of human and faunal remains and examination of the spatial distribution of marine items suggests an important role for marine foods, a low intensity of human use of coastal habitats, and a very limited distribution of marine items in the interior. While home ranges are relatively small, no sedentary trend or reduction of mobility is indicated.
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Borrero et al. (2006) studied this question.