The influence of the hydrotechnical works on the biodiversitty and uses of the water on the middle course of the Crisul Repede river.

The paper presents the influence of the hydrotechnical works Lesu, Lugas and Tileagd on the biodiversity and uses of the water in the middle basin of the Crisul Repede river. The study evaluates the impact the mentioned accumulations manifests upon the flora and fauna diversity in the space situated between the place of Bulz and the city of Oradea. One highlights the way in which the ecological state of the waters influences the uses from the downstream.