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Resumo

The question of human territoriality has frequently been debated, but most previous discussions have not sufficiently emphasized ecological variables as major factors determining territoriality. We argue that current theories in sociobiology, especially the model focusing on economic defendability of resources, need to be considered in analyzing human territoriality. According to this model, territoriality is expected to occur when critical resources are sufficiently abundant and predictable in space and time, so that costs of exclusive use and defense of an area are outweighed by the benefits gained from resource control. This model is developed, and then applied to several locally adapted human populations (Northern Ojibwa, Basin‐Plateau Indians, and Karimojong). Variations in territorial responses for these groups seem to accord with the predictions of the economic defendability model. [territoriality, resource defense, human ecology, sociobiology, spatial organization]

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