From: IITA’s genebank, cowpea diversity on farms, and farmers’ welfare in Nigeria
Index | Mean | SD | Minimum | Maximum |
---|---|---|---|---|
Total | ||||
Menhinick index | 2.656 | 1.838 | 0.442 | 31.623 |
Shannon index | 0.344 | 0.041 | 0 | 0.693 |
Berger-Parker index | 2.833 | 1.414 | 1 | 25 |
Herfindahl index | 0.169 | 0.123 | 0.002 | 1 |
North West region | ||||
Menhinick index | 2.896 | 2.051 | 0.515 | 31.623 |
Shannon index | 0.343 | 0.045 | 0 | 0.693 |
Berger-Parker index | 2.856 | 1.349 | 1 | 10 |
Herfindahl index | 0.169 | 0.128 | 0.01 | 1 |
North East region | ||||
Menhinick index | 2.204 | 1.230 | 0.442 | 9.129 |
Shannon index | 0.345 | 0.034 | 0 | 0.368 |
Berger-Parker index | 2.788 | 1.530 | 1 | 25 |
Herfindahl index | 0.170 | 0.112 | 0.002 | 1 |