Asian carp leap near the fish-sorting machine at Emiquon Preserve near Lewistown on May 17, 2021.
Many hoses connect to the side of the steeppass fish-sorting system at the Emiquon Preserve near Lewistown on May 17, 2021.
Nora Hargett, left, and Stephanie Schmidt, graduate students from the University of Illinois, on the water close to leaping Asian carp near the fish-sorting system being tested near Lewistown.
The fish-sorting system is part of this structure at Emiquon Preserve near Lewistown.
Doug Blodgett, the Nature Conservancy’s director of river conservation, watches Asian carp at the Emiquon Preserve near Lewistown.
Doug Blodgett, the Nature Conservancy’s director of river conservation, above the Illinois River while standing atop structure being tested to sort Asian carp.
The chutelike structure, called a steeppass, at the Emiquon Preserve near Lewistown.
The chutelike structure, called a steeppass, at Emiquon Preserve. The technology comes from Whooshh Innovations.
Asian carp near the steeppass.
A speaker for use in the steeppass being tested at the Emiquon Preserve near Lewistown.
The structure leads toward the steeppass being tested near Lewistown.
