Table 6 Mean total root length (m) by root diameter size class (mm) with radial distance from stem (m)
Radial distance from stem (m) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Species | Root diameter class (mm) | 0-0.5 | >0.5-1.0 | >1.0-1.5 | >1.5-2.0 | >2.0-2.5 | >2.5-3.0 | >3.0-3.5 | >3.5-4.0 | >4.0-4.5 | >4.5-5.0 |
Oak | 1-2 | 22.0 | 22.2 | 12.1 | 5.5 | ||||||
>2-5 | 16.2 | 8.7 | 2.7 | 0.4 | |||||||
>5-10 | 4.8 | 1.8 | |||||||||
>10-20 | 1.7 | 0.3 | |||||||||
>20-50 | 0.6 | ||||||||||
Total root length (m) | 45.2 | 33.0 | 14.8 | 5.9 | |||||||
Eucalypt | 1-2 | 9.8 | 20.6 | 7.9 | 2.9 | 1.9 | 1.0 | ||||
>2-5 | 5.5 | 8.9 | 6.4 | 4.2 | 1.8 | 1.0 | |||||
>5-10 | 3.0 | 2.0 | 1.6 | 0.6 | 0.3 | ||||||
>10-20 | 0.8 | 1.0 | 0.4 | ||||||||
>20-50 | 1.0 | 0.4 | |||||||||
>50-100 | 0.2 | ||||||||||
Total root length (m) | 20.3 | 32.9 | 16.3 | 7.8 | 4.0 | 2.0 | |||||
Douglas-fir | No data at age 3 | ||||||||||
Redwood | 1-2 | 74.3 | 65.5 | 28.6 | 8.6 | ||||||
>2-5 | 22.7 | 8.0 | 1.6 | ||||||||
>5-10 | 3.1 | 0.7 | |||||||||
>10-20 | 0.5 | ||||||||||
>20-50 | 0.3 | ||||||||||
Total root length (m) | 100.9 | 74.2 | 30.2 | 8.6 | 0.0 | ||||||
Cherry | 1-2 | 42.3 | 80.8 | 182.7 | 111.4 | 22.2 | 0.8 | ||||
>2-5 | 18.4 | 29.8 | 52.7 | 26.9 | 4.0 | ||||||
>5-10 | 7.2 | 8.4 | 6.8 | 0.6 | |||||||
>10-20 | 3.7 | 8.2 | 1.1 | ||||||||
>20-50 | 3.5 | 3.2 | 0.2 | ||||||||
>50-100 | 1.0 | ||||||||||
Total root length (m) | 76.2 | 130.3 | 243.5 | 138.9 | 26.2 | 0.8 | |||||
Blackwood | 1-2 | 7.7 | 23.6 | 31.7 | 26.1 | 21.2 | 13.6 | 9.9 | 7.7 | 0.3 | 0.5 |
>2-5 | 6.2 | 11.8 | 13.6 | 8.0 | 8.7 | 5.3 | 6.3 | 0.7 | |||
>5-10 | 4.0 | 4.5 | 2.8 | 0.7 | 0.7 | ||||||
>10-20 | 3.5 | 2.4 | |||||||||
>20-50 | 1.5 | 0.3 | |||||||||
>50-100 | 0.2 | ||||||||||
Total root length (m) | 23.2 | 42.6 | 48.1 | 34.9 | 30.6 | 18.9 | 16.2 | 8.4 | 0.3 | 0.5 | |
Alder | 1-2 | 64.0 | 127.7 | 131.0 | 154.0 | 101.1 | 95.6 | 52.0 | 22.7 | 5.1 | 2.7 |
>2-5 | 36.1 | 56.5 | 54.5 | 61.2 | 43.3 | 34.8 | 22.8 | 73.8 | 1.7 | 0.6 | |
>5-10 | 18.8 | 23.0 | 17.1 | 14.5 | 12.2 | 6.0 | 2.5 | 0.6 | |||
>10-20 | 7.0 | 7.8 | 4.1 | 2.1 | 3.5 | 1.4 | 0.7 | ||||
>20-50 | 5.2 | 0.9 | |||||||||
>50-100 | 0.4 | ||||||||||
Total root length (m) | 131.5 | 215.8 | 206.7 | 231.8 | 160.1 | 137.7 | 78.0 | 97.1 | 6.7 | 3.3 | |
Cypress | 1-2 | 75.3 | 106.9 | 139.8 | 160.1 | 98.8 | 49.7 | ||||
>2-5 | 48.5 | 64.4 | 49.1 | 14.8 | 3.1 | ||||||
>5-10 | 21.8 | 15.8 | 3.2 | 0.0 | |||||||
>10-20 | 8.2 | 0.5 | |||||||||
>20-50 | 1.9 | ||||||||||
>50-100 | 0.1 | ||||||||||
Total root length (m) | 155.8 | 187.7 | 192.1 | 175.0 | 102.0 | 49.7 | |||||
Radiata | 1-2 | 30.7 | 26.3 | 29.9 | 19.7 | 8.0 | 1.4 | ||||
>2-5 | 13.2 | 11.0 | 7.7 | 5.0 | 1.2 | ||||||
>5-10 | 3.1 | 7.9 | 3.6 | 0.8 | |||||||
>10-20 | 1.3 | 2.0 | 0.4 | ||||||||
>20-50 | 2.2 | 0.2 | |||||||||
Total root length (m) | 50.4 | 47.4 | 41.6 | 25.4 | 9.3 | 1.4 | |||||