Literature review : fish mortality risks and international regulations associated with downstream passage through hydroelectric facilities / A.V. Crew, B.E. Keatley, and A.M. Phelps = Analyse documentaire...: Fs97-6/3207E-PDF

“The purpose of this report was to document the current knowledge of the mortality risks fish are exposed to when passing downstream through a hydropower facility. Four main mortality risks were identified: 1) turbine mortality 2) screen/rack impingement; 3) behavioural and operational entrainment/impingement risks; and 4) rapid flow alterations. Examining these mortality risks, key messages associated with each risk and the current knowledge gaps were identified. In addition, an examination and evaluation of how four countries regulate fish mortality from downstream passage through hydropower facilities, was conducted. The countries chosen include two countries from the European Union (Sweden and the Netherlands), Norway and the United States. These countries were chosen to examine the differences in the approaches used to regulate fish mortality. The goal of this report is to create a knowledge base to help guide the Canadian government in establishing a national framework for managing mortality of fish undergoing downstream passage through hydropower facilities"--Abstract, p. iii.

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