Table 4.
Wood tissue density (WD; g cm-3) of coarse roots, stem and branches of 14 woody species in a seasonally dry Ethiopian Highland forest; see Table 1 for details.
Leaf habit | Species | WDroot | WDstem | WDbranch |
---|---|---|---|---|
Angiosperm, deciduous | A. schimperiana | 0.60 ± 0.012 de | 0.49 ± 0.013 ab | 0.62 ± 0.040 ab |
B. micrantha | 0.57 ± 0.018 cde | 0.58 ± 0.005 bcd | 0.64 ± 0.024 ab | |
C. macrostachyus | 0.39 ± 0.018 ab | 0.47 ± 0.011 ab | 0.50 ± 0.072 a | |
C. molle | 0.48 ± 0.010 abcd | 0.62 ± 0.025 cde | 0.67 ± 0.046 ab | |
S. abyssinica | 0.38 ± 0.029 a | 0.44 ± 0.013 a | 0.74 ± 0.079 b | |
Mean | 0.48 ± 0.045 A | 0.52 ± 0.034 A | 0.63 ± 0.039 A | |
Angiosperm, evergreen | A. dimidiata | 0.53 ± 0.047 bcde | 0.57 ± 0.006 bcd | 0.63 ± 0.050 ab |
C. aurea | 0.67 ± 0.064 efa | 0.75 efa | 0.61 ± 0.053 ab | |
C. mildbraedii | 0.77 ± 0.044 fa | 0.82 fa | 0.78 ± 0.035 b | |
D. abyssinica | 0.53 ± 0.020 bcde | 0.71 ± 0.014 efa | 0.64 ± 0.031 ab | |
E. capensis | 0.50 ± 0.022 abcd | 0.54 ± 0.015 abc | 0.71 ± 0.038 ab | |
M. lanceolata | 0.48 ± 0.036 abcd | 0.56 ± 0.010 abc | 0.50 ± 0.018 a | |
P. africana | 0.56 ± 0.015 cde | 0.68 ± 0.036 defa | 0.63 ± 0.019 ab | |
T. nobilis | 0.52 ± 0.024 abcde | n.a. | 0.75 ± 0.038 b | |
Mean | 0.57 ± 0.035 A | 0.66 ± 0.038 B | 0.66 ± 0.032 A | |
Gymnosperm | A. falcatus | 0.42 ± 0.002 abc | 0.46 ± 0.004 ab | 0.48 ± 0.056 a |
n.a. not available.
Small letters indicate significant differences between species within each organ, large letters indicate significant differences between means of deciduous/evergreen angiosperms (Tukey test, p<0.05; mean ± SE; nroots=4-6, nstem=3-6, nbranch=5-6).