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Study of key technologies for fishways in the plateaus of western China

机译：中国西部高原鱼道关键技术研究

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摘要

Determining how to restore fish migration routes blocked by large dams is the subject of great debate. Fishways are effective engineering measures restoring fish migration routes. However, most fishways in China do not carry out their target functions. Additionally, no studies have investigated key fishway technologies in the plateaus of Western China. In this research, the relationship between fish behavior and hydrodynamics was assessed by conducting quantitative descriptions of flow speed, turbulence, and other hydraulic indicators. First, target fish species of the plateaus of Western China were determined; then, swimming capabilities and migration characteristics of target fish were assessed. Then the preliminary hydraulic conditions for fishway projects in the plateaus of Western China were proposed. Finally, on-site migration experiments in the fishways were conducted to validate the preliminary hydraulic conditions.
机译：确定如何恢复被大水坝阻塞的鱼类迁徙路线是一个充满争议的话题。鱼道是恢复鱼迁移路线的有效工程措施。但是，中国的大多数鱼道并未履行其目标功能。此外，没有研究调查中国西部高原的关键鱼道技术。在这项研究中，通过对流速，湍流和其他水力指标进行定量描述，评估了鱼类行为与水动力之间的关系。首先，确定了中国西部高原的目标鱼类种类。然后，评估目标鱼的游泳能力和迁移特性。然后提出了中国西部高原河道工程的初步水力条件。最后，在鱼道中进行了现场迁移实验，以验证初步的水力条件。

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