We intend to evidence two types to know, the scientific one, that it searchs to demonstrate its ability in explaining something, and the narrative, that if of give birth of the daily experiences. The informers had given its depositions in free way spontaneous, since, in many cases, the analysis of the narrative speech finished for presenting surprising elements of which certainly, we could not reach with interviews or questionnaires uniforms for all the people. On the other hand, these interviews had been guided by a preset script. The man and the forest in the Careiro of the Fertile valley: one world-lived the Island of the Careiro is an extensive aluvial plain of the type in such a way to have a confluence of the Black river and river Solimes. Limiting it the north with river Amazon, being its southern contours delineated by a fluvial arm homonym, the Paran of the Careiro, whose superior mouth if it opens to the edge of the Solimes and that it empties in Amazon through the Paran of the Ounces, quarentas kilometers downstream.

The geographic limit this contained enters the parallels of 3 00? S and 3 15? S and the meridians of 59 30? W and 60 00' ' W of Greenwich. The vegetation of the Careiro is marcante, therefore it is in a climatic band of pluvial forest, that comumente it is applied, therefore this being determined for the descending and the ascent of the water you vary them species that if integrate to the vegetacionais formations of the region, of greater meant in the life of the careirense community are, necessarily, the ones that on swim in the Lakes and Parans. In the Careiro of the Fertile valley the Forest can be classified of fertile valley and firm land, this landscape if it differs between fertile valley, therefore they are lands that they flood in the edges of the rivers, to excite the concept of ' ' land imatura' '.