FIELD: agriculture.
SUBSTANCE: complex comprises a flooded spawning ground, a channel of a water-conducting spawning track of trapezoidal cross section with elements of higher roughness at the bottom. The flooded spawning ground is installed in the upper reach of the complex. The water-conducting track is formed with side dams that narrow the channel and a bottom threshold in the head part. The bottom part of the channel section is arranged with an inclination. Wintering pits are arranged in the end of the water-conducting track.
EFFECT: design will make it possible to create conditions for efficient spawning of phytophilous and lithophilous fish into imitating rapids.
3 dwg
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Authors
Dates
2012-03-10—Published
2010-01-25—Filed