Colombia throughout its history has had several migratory events caused by political, social, cultural and environmental reasons, which has generated a continuous population dynamics in the country, especially during the twentieth century. This document will reflect on some of the consequences that generated the growth of the city of Bogota DC the late twentieth century, caused in part by the forced displacement of thousands of Colombians during the decades of 1950-1990 and which directly affected wetlands in the Capital District due to urbanization that began generating. The paper focuses on the Techo wetland located in the town of Kennedy.