Test of a Screw-Style Fish Lift for Introducing Migratory Fish into a Selective Fish Passage Device

نویسندگان

چکیده

Barriers are an effective mechanism for managing invasive species, such as sea lamprey in the Laurentian Great Lakes but detrimental because they limit migration of desirable, native species. Fish passage technologies that selectively pass desirable species while blocking undesirable needed. Optical sorting tools, combined with newly developed computer learning algorithms, could be used to identify from high-resolution imagery and potentially isolate them assortment fishes. Many existing barriers lack fishways, optical may require fish dewatered image capture. The Archimedes screw, a device originating 234 BCE, offers potential continuously lift water over low-head or into device. To test efficacy screw lifting capture fishes, we built field-scale prototype installed it at Cheboygan Dam, Michigan USA 2021. safely transported 704 (688 which were suckers (Catostomidae)) 11 days. through increased temperature attraction flow. There no observed injuries mortalities subset held post-transport.

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ژورنال

عنوان ژورنال: Water

سال: 2022

ISSN: ['2073-4441']

DOI: https://doi.org/10.3390/w14152298