Table 2 Mean ± SD of arthropod communities per plot across all sample dates
From: Impact assessment of genetically modified herbicide-tolerant cotton on arthropod communities
Year | Diversity Index | GGK2 | K312 | P value | ||
|---|---|---|---|---|---|---|
Variety effect | Time effect | Variety × Time | ||||
2019 | Shannon diversity index (H) | 1.19 ± 0.03 | 1.17 ± 0.03 | 0.133 | 0.003 | 0.324 |
Pielou evenness index (J) | 0.51 ± 0.01 | 0.50 ± 0.01 | 0.050 | 0.002 | 0.322 | |
Simpson diversity index (D) | 0.43 ± 0.00 | 0.42 ± 0.02 | 0.339 | 0.002 | 0.346 | |
2020 | Shannon diversity index (H) | 1.27 ± 0.08 | 1.23 ± 0.01 | 0.580 | 0.015 | 0.198 |
Pielou evenness index (J) | 0.53 ± 0.03 | 0.52 ± 0.01 | 0.655 | 0.015 | 0.194 | |
Simpson diversity index (D) | 0.50 ± 0.03 | 0.49 ± 0.00 | 0.614 | 0.009 | 0.268 | |