This book analyzes the ways in which territory is used and appropriated in the riverside environments of the Uraricoera River, based on the study of territory, territorialities and traditional communities. It seeks to understand the spatial practices of the "ilheiros" (occupants of the islands) and their participation in the process of territorial production. Multiple dimensions of the social universe of the occupants of the islands were analyzed: political, social, economic and symbolic. A bibliographical and documentary survey was carried out on the subject, associating theory with empirics, fieldwork using specific methodologies such as participatory mapping, based on valuing the territorial perception of the local community, using geoprocessing techniques such as the use of GPS (Global Positioning System) and interviews.