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首页> 外文期刊>Ecological engineering: The Journal of Ecotechnology >Evaluating vertical-slot fishway designs in terms of fish swimming capabilities
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Evaluating vertical-slot fishway designs in terms of fish swimming capabilities

机译:根据鱼类游动能力评估垂直槽鱼道设计

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One of the major problems in fishway design is that optimal parameters depend on an interplay of hydraulic and biological variables.This study presents a methodology for evaluating fishway designs in terms of the swimming capabilities of the target species.Specifically,we have evaluated two vertical-slot designs whose hydraulic properties were empirically characterized in a previous study.In view of these empirical data,for each design we have estimated (a)minimum discharges giving minimum fish-acceptable depths;(b)maximum pool sizes ensuring flow velocities low enough to be overcome by the fish;(c)maximum pool sizes ensuring turbulence low enough to be acceptable to the fish.These design constraints are calculated for different slopes (approx 6 or approx 10%),different water temperatures (10,15 or 20 deg C),and different fish lengths.This methodology constitutes an effective means of taking fish swimming capabilities into account at the fishway design stage.
机译:鱼道设计的主要问题之一是最佳参数取决于水力和生物变量之间的相互作用。本研究提出了一种根据目标物种的游泳能力来评价鱼道设计的方法。具体地说,我们评估了两个垂直的鉴于以前的研究,我们对每种设计的水力特性进行了经验描述的槽型设计。我们对每种设计进行了以下估算:(a)最小排水量,使鱼的可接受深度最小;(b)最大水池尺寸,确保流速低至(c)最大水池尺寸,确保湍流足够低以使鱼类可以接受这些设计约束是针对不同的坡度(大约6%或大约10%),不同的水温(10、15或20度)计算的C)和不同的鱼长。这种方法是在鱼道设计阶段考虑鱼游动能力的有效手段。

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