Recent Advances in Upstream Migrant Trapping and Sorting

Governmental and private entities are making significant investments in fish passage to address the effects of instream barriers to migrating fish. Though facilities serving upstream migrating fish are usually less complicated and less costly than those serving downstream migrants, they can still be significant, with large facilities costing tens of millions of dollars ($USD). Additionally, construction of new fish barriers, as well as improvements to existing barriers, are increasingly being used to protect upstream areas from invasive or non-native species, using sorting and trapping facilities. These smaller projects form their own unique challenges which must be overcome. In order to meet project goals under more constrained budgets, and develop more effective and safe facilities, it is important to maximize the cross pollination of successful design improvements to upstream fish passage facilities within the fisheries community. This symposium will provide engineers, biologists, and managers opportunities to share recent project results and upcoming challenges to realizing success.
David Griffith
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