Species Composition, Structure, and Regeneration Status of Woody Plants and Anthropogenic Disturbances in Zijje Maryam Church Forest, Ethiopia
Table 4
Importance Value Index (IVI) of the top ten woody plant species of the study area.
Species
RD
RF
RDO
IVI
%IVI
Rank
Juniperus procera Hochst.
17.63
9.74
0.29
27.67
9.22
1
Olea europaea L.
13.69
9.09
0.31
23.09
7.70
2
Maytenus ovatus Schweinf.
5.30
4.55
0.63
10.48
3.49
3
Pittosporum abyssinicum Del.
4.69
3.90
0.73
9.31
3.10
4
Vachelia abyssinica (Hochst. Ex Benth) K. and B.
4.19
2.60
1.10
7.89
2.63
5
Erica arborea L.
4.07
2.60
1.10
7.76
2.59
6
Galiniera saxifrage (Hochst.) Bridson
3.33
2.60
1.10
7.02
2.34
7
Maytenus undata Schweinf.
2.34
3.90
0.73
6.97
2.32
8
Dombeyatorrida Dovyalis (J. F. Gmel) Bamps
2.59
3.25
0.88
6.71
2.24
9
Urera hypselodenderon A. Rhi.
2.10
3.25
0.88
6.22
2.07
10
Others 38 species
40.07
54.55
92.25
5.92
62.29
11
Total
100
100
100
300
100
Where RD = relative density, RF = relative frequency, RDO = relative dominance, IVI = Important Value Index and %IVI = percentage of Importance Value Index.
