Placement of spawning gravel in the river
Contents
Introduction
Methods, tools, and devices
During planning
During implementation
During operation
Classification Table
Classification
|
Selection (multiple) |
|
Fish species measure designed for |
All |
|
Does the measure require loss of power production? |
Structural (requires no additional flow release) |
|
Recurrence of maintenance |
Less often than yearly |
|
Which life-stage of fish is measure aimed at? |
All |
|
Which physical parameter mitigated?
|
Substrate Water temperature Water velocity Water depth |
|
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 |
Bypass section Downstream outlet |
|
River type implemented
|
Fairly steep with rocks, boulders (< 0.4; > 0.05 %) Slow flowing, lowland, sandy (< 0.05 %) |
|
Level of certainty in effect |
Moderately certain |
|
Technology readiness level |
TRL 9
|
actual system proven in operational environment |