مطار مروي : اسئلة للمختصيين وبهدوء ودون شطط

Quote: Disadvantages of dams • Alterations in temperature and flow in the river downstream from the dam • Loss of flowing water habitat and replacement with standing water (reservoir) habitat • Interruption of animal movements along the course of the river Possible alteration of the fish community in the region of the river now inundated and upstream from the reservoir • Interruption of genetic exchange among populations inhabiting the river course • Reduction in the delivery of river nutrients to downstream section of the river because of entrapment by the reservoir • The loss of the floodplain habitat and connectivity between the river and bordering habitats upland