Table of Atlantic salmon habitat preferences or requirements by life stage from Armstrong et al. (2003)

Life Stage Habitat Variable Measure Values Authors
Adult Spawning Water Velocity Mean 40 cm s-1 Heggberget (1991)
    Mean 53 cm s-1 Moir et al. (1998), Beland et al. (1982)
    Range 35–80 cm s-1 Beland et al. (1982)
    Minimum  >15–20 cm s-1 Crisp and Carling (1989)
  Water Depth Mean 50 cm Heggberget (1991)
    Mean 25 cm Moir et al. (1998)
    Mean 38 cm Beland et al. (1982)
    Range 17–76 cm Beland et al. (1982)
  Substrate Size Median grain size 22mm Kondolf and Wolman (1993)
    Median (for several species) 5.4–78mm Kondolf and Wolman (1993)
    Mean particle size 20–30mm Crisp and Carling (1989)
    Mean particle size 20.7mm Moir et al. (1998)
    Mean particle size 100mm Heggberget (1991)
  Redd Depth Mean 15–25 cm Bardonnet and Bagliniere (2000)
  Percentage Fine Material <1mm  5.4% Moir et al. (1998)
    Range 2.3–8.0% Moir et al. (1998)
Fry Nursery Habitat Snout Water Velocity Range 5–15 cm s-1 Morantz et al. (1987)
    Range 10–30 cm s-1 Rimmer et al. (1984)
  Mean column velocity Range 20–40 cm s-1 Crisp (1993, 1996)
    Minimum >5–15 cm s-1 Heggenes et al. (1999)
    Maximum <100 cm s-1 Heggenes (1990)
    Range 10–30 cm s-1 DeGraaf and Bain (1986)
  Water Depth Maximum (for fry) <10 cm Heggenes et al. (1999)
    Range (for fry) 20–40 cm Morantz et al. (1987)
    Preference (for 0+)  <25 cm Symons and Heland (1978), Kennedy and Strange (1982), Morantz et al. (1987), Heggenes (1990), Crisp (1993)
    Range 5–65 cm Heggenes (1990)
    Maximum <100 cm Morantz et al. (1987), Heggenes (1990), Heggenes et al. (1999)
  Substrate size Range 16–256mm Symons and Heland (1978)
Parr Rearing Snout water velocity Range 5–35 cm Morantz et al. (1987)
    Range 0–20 cm Heggenes et al. (1999)
    Range 10–50 cm Rimmer et al. (1984)
  Mean column velocity Maximum >60 cm Heggenes et al. (1999)
    Maximum <120 cm Morantz et al. (1987)
    Minimum <20 cm Heggenes et al. (1999)
    Utilized preference 50–65 cm Symons and Heland (1978)
    Utilized preference 10–65 cm Heggenes (1990)
  Water depth Range 25–60 cm Symons and Heland (1978), Rimmer et al. (1984), Morantz et al. (1987), Heggenes (1990)
    Range 20–70 cm Heggenes (1990)
  Substrate size Range 64–512+mm Symons and Heland (1978), Heggenes (1990)
Heggenes et al. (1999)