Changes in relative carbon allocation patterns associated with various environmental stresses.
| Stress | Root growth | Shoot growth | Stem taper | Foliage mass | Other |
|---|---|---|---|---|---|
| Shade | Reduced | Increased? | Reduced | ? | Umbrella-shaped crown |
| Drought | Increased | Decreased | Increased | Reduced | Loss of older foliage |
| Mechanical | ? | Reduced? | Increased | Reduced? | Asymmetric form |
| Nutrient deficiency | Increased | Decreased | Increased | Reduced | _____ |
| Nutrient surplus | Decreased | Increased | Decreased | Increased | _____ |
From Waring (23), adapted from Waring and Schlesinger (24). Shoot growth column added by Clark and Matheny.