Environmental Impacts of Kashimbilla Multipurpose Buffer Dam and Associated Structures, Taraba State, Nigeria

People keep struggling for decades in order to shape the ecosphere in a manner they wants since the first day. The period in which this struggles was observed most intensively was the period covering the transition from a migrant and primitive hunter society to a resident life and farming. The most deepseated environmental modification against the nature that had been realized in the history of the human being has started at this time. Even the development and downfall of civilizations are correlated to this interaction between the people and nature. One of the most important roles in utilizing water resource by dams were started to construct long years before gaining present information about hydrology and hydro-mechanics. Dams have a great deal of impact on the environment besides their benefits like controlling stream regimes consequently preventing floods, obtaining domestic and irrigation water from the stored water and generating energy. The environmental impacts of Kashimbilla dams are classified according to different criterions as long term and short term impacts, the impacts on the close area and the impacts on the regions where the dam services, social and unsocial impacts, beneficial and harmful impacts. These effects may be ordered in an intensive and complicated manner like climatic, hydraulic, biologic, social, cultural