Changes in flow |
Dam/reservoir operation |
Reduction in available habitats |
- Spawning
- Nursery
- Feeding
- Movement (include migration, feeding etc.)
- Cover
|
- Riffles
- Pools
- Runs
- Backwaters
|
- Discharge and velocities
- Sediment/silt
- Substrates
- Depths
- Temperature
- Large woody debris, bedrock, boulders, riparian vegetation
- Invertebrate production
- Undercut banks
|
- Provincial
- National Parks
|
Mechanical forest removal and loss due to fire |
Reduction in available habitats |
- Spawning
- Nursery
- Overwintering
- Feeding
- Cover
|
- Riffles
- Pools
- Runs
- Backwaters
|
- Discharge and velocities
- Sediment/silt
- Substrates
- Depths
- Temperature
- Large woody debris, bedrock, boulders, riparian vegetation
- Invertebrate production
- Undercut banks
|
|
Water extraction |
Reduction in available habitats |
- Spawning
- Nursery
- Overwintering
- Feeding
- Cover
|
- Riffles
- Pools
- Runs
- Backwaters
|
- Discharge and velocities
- Sediment/silt
- Substrates
- Depths
- Temperature
- Large woody debris, bedrock, boulders, riparian vegetation
- Invertebrate production
- Undercut banks
|
|
Sedimentation |
Forest harvest, linear disturbance (road or trail construction and maintenance or lack of maintenance etc.), urbanization, mining, grazing, high intensity or frequent off-highway vehicle use, recreational access, instream construction Increased sediment/silt (embeddedness) |
Reduction in available habitats |
- Spawning
- Nursery
- Overwintering
- Feeding
- Cover
|
- Riffles
- Pools
- Runs
- Backwaters
- Food availability
|
- Increased sediment/silt
- Substrates
- Depths
- Temperature
- Invertebrate production
- Undercut banks
|
|
Habitat loss, fragmentation and or alteration |
Dam or reservoir creation |
Large scale change from riverine to reservoir habitat |
- Spawning
- Nursery
- Overwintering
- Feeding
- Cover
|
- Riffles
- Pools
- Runs
- Backwaters
- Food availability
|
- Discharge and velocities
- Sediment/silt
- Substrates
- Depths
- Temperature
- Large woody debris, bedrock, boulders, riparian vegetation
- Invertebrate production
- Undercut banks
|
- Provincial
- National Parks
|
Dams (include weirs) or culvert structures |
Loss of access to habitats |
|
- Movement routes in water-bodies
|
- Barrier-free movement to complete life cycle
|
- Provincial
- National Parks
|
Linear disturbance (construction and maintenance or lack of maintenance of roads, pipelines, railway, recreational vehicles, trails) |
Reduction in available habitats |
- Spawning
- Nursery
- Overwintering
- Feeding
- Cover
|
- Riffles
- Pools
- Runs
- Backwaters
- Food availability
- Movement
|
- Sediment/silt
- Substrates
- Temperature
- Large woody debris, bedrock, boulders, riparian vegetation
- Invertebrate production
- Undercut banks
|
- Provincial
- National Parks
|