Comparative Analyses of Diversity and Similarity Indices of West Bank Forest and Block A Forest of the International Institute of Tropical Agriculture (IITA) Ibadan, Oyo State, Nigeria
Table 1
Diversity indices of plants community at west bank forest and block A forest of IITA
Transects
n
N
No. of families
Simpson (D)
Shannon–Weiner (H)
Evenness (E)
Margalef’s (d)
Mc Intoch (DI)
Menhinick (d)
Concentration of dominance (Cd)
A
96
1214
0.00619
0.28947
0.14603
30.80
11894.72
2.75526
0.00625
B
93
999
0.00858
0.31886
0.16198
30.67
9634.01
2.94239
0.00867
C
98
926
0.01198
0.34291
0.17221
32.70
9166.93
3.22048
0.01120
WBF
146
3139
56
0.00215
0.20587
0.09512
41.47
37928.68
2.60590
0.00216
D
98
1158
0.00710
0.30150
0.15142
31.66
11463.62
2.87986
0.00716
E
101
971
0.01072
0.33962
0.16945
33.48
9758.43
3.24124
0.01082
F
81
536
0.02260
0.41198
0.21587
29.31
4824
3.49867
0.02284
BAF
167
2665
58
0.00391
0.25042
0.11266
48.46
34439.39
3.23495
0.00393
WBF and BAF
219
5804
70
0.00142
0.17840
0.07622
57.92
85891.36
2.87462
0.00142
Source: computed from vegetation survey data, 2017.