Resumen

The Cay Creek is one of the main tributaries that supplies water for the supply of the city of Ibague, this leads to it becoming a priority when analyzing the river bodies that should be the primary object of conservation and restoration in the municipality. Therefore, the environmental assessment of fluvial channels such as Cay Creek is of greater importance, since it allows us to identify the ecological state in which it is located and thus determine the current environmental problems, for that reason through the development and use of the program EVALAM-R, which selected the most appropriate valuation methodology to be performed from the existing secondary information of a fluvial body; in the following work the assessment of the Cay Creek was carried out in order to propose actions to be carried out to improve its ecological status, for which 3 assessment methodologies were carried out ("Methodological for the environmental assessment of water currents from the perspective of restoration fluvial "," The conceptual foundation of environmental decision support "and" Active bioindication ") obtained through the use of the aforementioned software, identifying the conditions in which one must intervene in order to improve the naturalness of the Cay Creek and thus raise the fluvial restoration proposal.