In this paper design criteria of pool and weir, orifice and vertical slot fishways are proposed. Each criterion is based on the need to conciliate the hydraulic lows controlling flow conditions in the manufact and the biological exigencies of the fish species for which the fishway is designed. These exigencies mainly regard the minimum ecological discharge and water depth and velocity suitable for the aquatic ecosystem preservation, the minimum acceptable size of a pool, enough to remove any possible cause of delay in the fish migration, orifice size and shape.
International Conference New Trends in Water and Environmental Engineering for Safety and Life: Eco-compatible Solutions for Aquatic Environments
De Vincenzo Annamaria;Giugliano Rita
2000-01-01
Abstract
In this paper design criteria of pool and weir, orifice and vertical slot fishways are proposed. Each criterion is based on the need to conciliate the hydraulic lows controlling flow conditions in the manufact and the biological exigencies of the fish species for which the fishway is designed. These exigencies mainly regard the minimum ecological discharge and water depth and velocity suitable for the aquatic ecosystem preservation, the minimum acceptable size of a pool, enough to remove any possible cause of delay in the fish migration, orifice size and shape.File in questo prodotto:
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