This undergraduate thesis analyzed the soil pollution in the Raizal stream watershed
in Araguaína, state of Tocantins. The methodology used in this work is based on
bibliographic references about pollution, soils, watersheds and canalization. It also
uses environmental characterization, satellite images, photographs and field work.
From the analyses it was identified that most of the pollution comes from the actions
of the community itself and others due to the little that is invested in basic sanitation.
Furthermore, a good point is the vegetation that is still alive; however, the silting is
persistent and the problems have evolved. With this, it is necessary to have a
restoration project for the area. Investment in landscape maintenance, municipal
supervision, or even leisure activities for the community without having to cut down the
vegetation. In addition to an environmental education program for local residents that
relies on the collaboration of the community for the preservation of the site, because
even with all the proposed measures, the population needs to be aware not to damage
the public patrimony. This academic work is necessary, since the environment is the
vital means for human survival.
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