Skip to main content

Table 2 Mean root bole and root biomass (g) and as a percentage of total below-ground biomass by year 5

From: Root system attributes of 12 juvenile indigenous early colonising shrub and tree species with potential for mitigating erosion in New Zealand

Species

Root bole

Roots

 

Biomass

Percentage

Biomass

Percentage

Coriaria arborea

1017.5 (373.9)b

36.0 (1.8)b

1919.6 (746.0)a

64.0 (1.8)d

Myrsine australis

22.3 (5.3)c

13.2 (1.6)e

134.4 (22.1)c

86.8 (1.6)a

Pseudopanax arboreus

117.6 (37.4)c

24.1 (2.1)cd

350.2 (107.0)c

75.9 (2.1)b

Sophora tetraptera

236.4 (96.0)c

25.4 (2.3)cd

623.3 (174.9)bc

74.6 (2.3)bc

Cordyline australis

2296.9 (371.4)a

83.2 (2.3)a

402.4 (45.0)c

16.8 (2.3)e

Hoheria populnea

403.3 (108.6)c

31.3 (2.3)bcd

939.9 (253.5)bc

68.7 (2.3)cd

Knightia excelsa

97.8 (17.1)c

31.7 (1.8)bc

214.0 (40.1)c

68.3 (1.8)cd

Pittosporum tenuifolium

368.7 (53.0)c

31.0 (1.7)bcd

847.7 (111.9)bc

69.0 (1.7)cd

Pittosporum eugenioides

348.5 (24.1)c

23.4 (1.5)d

1196.9 (135.4)b

76.6 (1.5)bc

Coprosma robusta

389.8 (83.3)c

30.2 (2.7)bcd

928.0 (184.0)bc

69.8 (2.7)cd

Plagianthus regius

660.7 (97.2)bc

38.9 (3.0)b

1155.9 (271.3)b

61.1 (2.9)d

Leptospermum scoparium

125.5 (29.0)c

38.3 (2.6)b

193.6 (37.3)c

61.7 (2.6)d

  1. Values with different letters within each parameter were significantly different (Student-Newman-Keuls P = 0.05)