Table 2 The diversity parameters of SIMF at Shenkolla watershed, south central Ethiopia
Density (individuals/m2) | Relative abundance | Rank | Occurrence index | |||||
|---|---|---|---|---|---|---|---|---|
Crop cultivated outfields | Grazing land | Homestead garden field | Forest land | |||||
SIMF group | Earthworms | 141.6 | 0.533 | 1 | 88.63 (39) | 79.1 (53) | 48.65 (72) | 17.81 (13) |
Beetle larvae | 13.6 | 0.051 | 4 | 0 (0) | 0 (0) | 8.78 (13) | 5.45 (4) | |
Beetle adults | 19.20 | 0.072 | 3 | 2.27 (1) | 2.98 (2) | 10.14 (15) | 8.23 (6) | |
Wireworms | 1.60 | 0.006 | 10 | 0 (0) | 0 (0) | 0 (0) | 2.74 (2) | |
Spiders | 6.40 | 0.024 | 7 | 4.55 (2) | 4.48 (3) | 1.35 (2) | 1.37 (1) | |
Ants | 19.20 | 0.072 | 3 | 2.27 (1) | 5.97 (4) | 10.14 (15) | 5.45 (4) | |
Termites | 37.60 | 0.145 | 2 | 0 (0) | 2.98 (2) | 12.84 (19) | 35.62 (26) | |
Millipedes | 8.80 | 0.033 | 5 | 2.27 (1) | 4.48 (3) | 2.03 (3) | 5.45 (4) | |
Centipedes | 7.20 | 0.027 | 6 | 0 (0) | 0 (0) | 4.05 (6) | 4.11 (3) | |
Earwigs | 3.20 | 0.012 | 9 | 0 (0) | 0 (0) | 0 (0) | 5.45 (4) | |
Snails | 3.20 | 0.012 | 9 | 0 (0) | 0 (0) | 2.03 (3) | 1.37 (1) | |
Grasshoppers | 4.00 | 0.015 | 8 | 0 (0) | 1.49 (1) | 0 (0) | 6.85 (5) | |
Total | 13.25 (44) | 20.18 (67) | 44.58 (148) | 22.00 (73) | ||||
Diversity parameter | Overall abundance | 44 | 67 | 148 | 73 | |||
Species richness | 5 | 7 | 12 | 15 | ||||
Shannon diversity index | 0.121 | 0.174 | 0.279 | 0.262 | ||||
Simpson diversity index | 0.22 | 0.37 | 0.6 | 0.83 | ||||
Pielous measure of Evenness | 0.075 | 0.097 | 0.127 | 0.428 | ||||
Margalef diversity index | 1.06 | 1.19 | 1.6 | 2.56 | ||||