Template:Placement of spawning gravel in the river

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Placement of spawning gravel in the river
Classification Selection
Fish species for the measure Gravel spawners
Does the measure require loss of power production -
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Structural (requires no additional flow release)
Recurrence of maintenance Less often than yearly
Which life-stage of fish is measure aimed at Spawning / Recruitment
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Which physical parameter is addressed -
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Substrate and hyporheic zone
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Hydropower type the measure is suitable for Plant in dam
Plant with bypass section
Dam height (m) the measure is suitable for All
Section in the regulated system measure is designed for -
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Bypass section
Downstream outlet
River type implemented Steep gradient (up to 0.4 %)
Fairly steep with rocks, boulders (from 0.4 to 0.05 %)
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Level of certainty in effect Very certain
Technology readiness level TRL 9: actual system proven in operational environment