flow regime
- Magnitude
- Frequency
- Duration
- Timing
- Rate of Change
Flow Regime affects:
- water quality
- energy sources
3.Physical Habitat - biotic interactions
interflow
the movement of water in the ground with gravity downslope
Baseflow
the surface water you see in a stream
stage
water height from stream
bottom to water surface
what is natural flow regime
Natural variability in streamflow over time at a particular location
and/or region
Ephemeral
Stream order “0”, flows only during wet periods and
floods (spring and fall)
perennial
stream that flows all year long due to connection with
ground water and precipitation
xeric
streams in dry, desert conditions that create flashy flow after
a rainstorm
Mesic
stream that contains a moderate amount of moisture/water
Temperature affects:
- Movement of molecules
- metabolic rates
- primary production
What does temp do?
- Regulates life history processes
- Is a cue for changes in life stages/processes
- Can cause physical changes to habitat
Temps: life history
Reproduction and growth
Temp: cue for changes in life stages
Emergence of aquatic insects and spawning in fish
Temp: cause physical changes to habitat
- Anchor ice destroys stream bed
- induce algal growth
