Table 1.
Field Margin | Shannon’s Diversity Index (H) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Total Arthropods | Hymenoptera Parasitoids | |||||||||||
WT | Mean 21/5–15/7 |
Mean 17/6 &15/7 |
WT | Mean WT/Margin (21/5–15/7) |
Mean WST/Margin (17/6 & 15/7) | |||||||
WST | WST | |||||||||||
21/5 | 3/6 | 23/6 | 15/7 | 21/5 | 3/6 | 23/6 | 15/7 | |||||
WM | 1.96 ± 0.06 | 1.91 ± 0.04 | 2.57 ± 0.08 | 2.60 ± 0.07 | 2.26 ± 0.08 A | 2.58 ±0.05 A | 1.77 ± 0.18 | 0.59 ± 0.34 | 1.35 ± 0.21 | 1.67 ± 0.09 | 1.34 ± 0.15 A | 1.51 ± 0.12 |
NV1 | 1.51 ± 0.25 | 1.66 ± 0.29 | 2.46 ± 0.03 | 1.96 ± 0.16 | 1.90 ± 0.14 B | 2.21 ±0.13 B | 0.94 ± 0.23 | 0.23 ± 0.23 | 1.70 ± 0.22 | 0.84 ±0.26 | 0.93 ± 0.19 B | 1.28 ± 0.24 |
NV2 | 1.80 ± 0.03 | 1.97 ± 0.18 | 2.40 ± 0.11 | 1.98 ± 0.11 | 2.04 ± 0.08 B | 2.19 ±0.12 B | 1.04 ± 0.04 | 0.66 ± 0.38 | 1.62 ± 0.14 | 0.89 ± 0.21 | 1.05 ± 0.15 AB | 1.26 ± 0.20 |
SM | 2.21 ± 0.26 | 2.16 ± 0.20 | 2.19 ±0.15 B | 16.7 ± 3.4 | 12.0 ± 2.1 | 0.89 ± 0.30 | ||||||
Mean WT/date | 1.79 ± 0.08 c | 1.86 ± 0.09 c | 2.49 ± 0.05 a | 2.25 ± 0.11 b | 1.34 ± 0.15 a | 0.51 ±0.19 b | 1.52 ± 0.12 a | 1.23 ± 0.15 a | ||||
Mean WST/date | 2.43 ±0.07 b | 2.23 ±0.09 a | 0.99 ± 0.53 | 0.80 ± 0.41 | ||||||||
WT 2-way ANOVA |
Mixture: F2,32 = 9.94, p = 0.0004; Date: F3,32 = 21.33, p < 0.0001; Mixture × Date: F6,32 = 1.99, p = 0.0966 | Mixture: F2,32 = 3.53, p = 0.0413; Date: F3,32 = 10.16, p < 0.0001; Mixture × Date: F6,32 = 2.12, p = 0.0788 | ||||||||||
WST 2-way ANOVA |
Mixture: F3,20 = 5.57, p = 0.0060; Date: F1,20 = 6.55, p = 0.0187; Mixture × Date: F6,20 = 2.13, p = 0.1288 |
Mixture: F3,20 = 1.99, p = 0.1475; Date: F1,20 = 3.71, p = 0.0686; Mixture × Date: F6,20 = 2.46, p = 0.0928 |