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Table 2 Allometric relationships between RCD against stem, branch and foliage biomass

From: Biomass and root attributes of eight of New Zealand’s most common indigenous evergreen conifer and broadleaved forest species during the first 5 years of establishment

Species Stem Branch Foliage
r 2 P Equation r 2 P Equation r 2 P Equation
Agathis australis (kauri) 0.822 < 0.001 y = 6.958 exp (0.114x) 0.744 < 0.001 y = 2.793 exp (0.111x) 0.799 < 0.001 y = 5.661 exp (0.106x)
Dacrycarpus dacrydioide (kahikatea) 0.942 < 0.001 y = 25.937 exp (0.058x) 0.908 < 0.001 y = 16.919 exp (0.064x) 0.941 < 0.001 y = 12.900 exp (0.062x)
Dacrydium cupressinum (rimu) 0.928 < 0.001 y = 17.665 exp (0.076x) 0.798 < 0.001 y = 13.086 exp (0.074x) 0.887 < 0.001 y = 23.053 exp (0.083x)
Podocarpus totara (totara) 0.930 < 0.001 y = 39.461 exp (0.052x) 0.699 < 0.001 y = 35.461 exp (0.058x) 0.788 < 0.001 y = 51.688 exp (0.049x)
Prumnopitys ferruginea (miro) 0.899 < 0.001 y = 10.667 exp (0.104x) 0.868 < 0.001 y = 8.871 exp (0.115x) 0.880 < 0.001 y = 9.919 exp (0.108x)
Prumnopitus taxifolia (matai) 0.775 < 0.001 y = 7.987 exp (0.098x) 0.790 < 0.001 y = 26.804 exp (0.106x) 0.760 < 0.001 y = 5.446 exp (0.106x)
Alectryon excelsus (titoki) 0.840 < 0.001 y = 31.875 exp (0.065x) 0.840 < 0.001 y = 14.277 exp (0.0812x) 0.734 < 0.001 y = 26.199 exp (0.052x)
Vitex lucens (puriri) 0.786 < 0.001 y = 48.929 exp (0.035x) 0.948 < 0.001 y = 15.611 exp (0.049x) 0.950 < 0.001 y = 25.903 exp (0.042x)