Vegetation Structure and Composition across Different Land Uses in a Semiarid Savanna of Southern Zimbabwe
Table 1
Vegetation attributes for sample plots across different land use areas (mean ± standard error) and significant levels from one-way ANOVA with unequal sample size tests.
Variable
Land use category
value
GNP
CRA
CCA
Tree density ha−1
842.78 ± 110.11a
416.67 ± 93.59b
407.78 ± 185.25b
5.41
0.007
Shrub density ha−1
240.00 ± 56.73a
80.00 ± 17.68a
111.11 ± 48.87a
2.71
0.075
Sapling density ha−1
694.44 ± 152.25a
204.44 ± 54.44b
147.78 ± 61.18b
5.36
0.007
Dead tree density ha−1
27.77 ± 7.84a
28.88 ± 11.21a
42.22 ± 17.66a
0.44
0.647
Tree height (m)
4.56 ± 0.16a
5.63 ± 0.38b
7.42 ± 0.87a
11.13
0.000
Shrub height (m)
1.44 ± 0.15a
1.51 ± 0.22a
1.08 ± 0.25a
1.11
0.335
Woody species diversity ()
1.78 ± 0.16a
1.54 ± 0.26b
2.66 ± 0.24a
6.37
0.003
Grass species richness per plot
11.27 ± 0.88a
6.80 ± 0.85b
7.47 ± 0.8b
7.68
0.001
GNP represents Gonarezhou National Park, CRA represents Chizvirizvi Resettlement Area, and CCA represents Chibwedziva Communal Area. Significant values are indicted in bold; values with different superscript letters within rows differ significantly (Tukey’s HSD; ).