Evaluation of a Common Carp (Cyprinus carpio L.) Exclusion and Trapping Device for Use in Aquatic Plant Founder Colony Establishment Page: 11
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6). This system takes advantage of the tendency of fish to swim upstream: because native
species travel along the bottom of the fishway (barrier) and common carp use the upper levels of
the water column, common carp were lured towards the trap system by piped-in flowing water
near the surface, inducing them to jump towards the flow and into traps (Kelly, 2004). The latest
data indicates common carp populations have been stabilized, with the fishway capturing
approximately 90 percent of target species that enter (Parliament of South Australia, 2004).Figure 5. Murray River, Australia common carp barrier; Photo credit: Environmental Waikato.
Waikato.
Electrically charged barriers have been tested in Illinois to halt the movement of common
carp and other non-native fish into Lake Michigan from the Mississippi River basin. "The idea
is that as fish pass through the barrier, they feel increasing levels of electricity, which leads them11
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Williams, Paul Edwin. Evaluation of a Common Carp (Cyprinus carpio L.) Exclusion and Trapping Device for Use in Aquatic Plant Founder Colony Establishment, thesis, May 2008; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc6038/m1/19/: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .