Figure 1:
Figure 2:
Figure 3:
Occurrence of H_ indica in Viti Levu with different soil physical & chemical parameters_
| Categories | Total samples | Positive samples | Recovery frequency (%) |
|---|---|---|---|
| Sand content (%) | |||
| <30 | 142 | 0 | 0 |
| 30-45 | 132 | 1 | 0.75 |
| 45-60 | 87 | 5 | 5.7 |
| 60-75 | 67 | 15 | 22.3 |
| 75-90 | 41 | 8 | 19.5 |
| >90 | 9 | 6 | 66.6 |
| Silt content (%) | |||
| <20 | 177 | 26 | 14.6 |
| 20-30 | 150 | 7 | 4.6 |
| 30-40 | 92 | 0 | 0 |
| 40-50 | 43 | 2 | 4.6 |
| 50-60 | 12 | 0 | 0 |
| >60 | 4 | 0 | 0 |
| Clay content (%) | |||
| <20 | 126 | 31 | 24.6 |
| 20-30 | 114 | 4 | 3.5 |
| 30-40 | 137 | 0 | 0 |
| 40-50 | 60 | 0 | 0 |
| 50-60 | 29 | 0 | 0 |
| 60-70 | 11 | 0 | 0 |
| >70 | 1 | 0 | 0 |
| Soil texture | |||
| Clay | 96 | 0 | 0 |
| Clay loam | 124 | 0 | 0 |
| Fine sand | 12 | 7 | 58.3 |
| Loam | 27 | 1 | 3.7 |
| Loamy fine sand | 25 | 6 | 24 |
| Sandy clay | 9 | 0 | 0 |
| Sandy clay loam | 83 | 5 | 6 |
| Sandy loam | 69 | 16 | 23.2 |
| Silt loam | 10 | 0 | 0 |
| Silty clay | 12 | 0 | 0 |
| Silty clay loam | 11 | 0 | 0 |
| Soil pH | |||
| 4.0-4.5 | 7 | 0 | 0 |
| 4.5-5.0 | 22 | 0 | 0 |
| 5.0-5.5 | 58 | 1 | 1.74 |
| 5.5-6.0 | 104 | 5 | 4.8 |
| 6.0-6.5 | 153 | 19 | 12.4 |
| 6.5-7.0 | 89 | 9 | 10.11 |
| 7.0-7.5 | 37 | 1 | 2.7 |
| >7.5 | 8 | 0 | 0 |
| Soil organic content | |||
| <3% | 236 | 22 | 9.3 |
| 3-5% | 156 | 7 | 4.4 |
| 5-7% | 73 | 2 | 2.7 |
| 7-9% | 9 | 2 | 22.2 |
| >9% | 4 | 2 | 50 |
| Soil moisture | |||
| 3-6% | 1 | 0 | 0 |
| 6-9% | 11 | 0 | 0 |
| 9-12% | 189 | 15 | 7.9 |
| 12-15% | 154 | 10 | 6.4 |
| 15-18% | 76 | 5 | 6.5 |
| 18-21% | 36 | 3 | 8.3 |
| >21% | 11 | 2 | 18.1 |
| Soil temperature | |||
| <26°C | 68 | 3 | 4.41 |
| 26-27°C | 78 | 4 | 5.12 |
| 27-28°C | 78 | 5 | 6.41 |
| 28-29°C | 80 | 7 | 8.7 |
| 29-30°C | 66 | 5 | 7.5 |
| 30-31°C | 62 | 11 | 17.7 |
| >31°C | 46 | 0 | 0 |
Occurrence of entomopathogenic nematodes in different province and habitat types_
| Categories | Total samples | Positive samples | Recovery frequency (%) |
|---|---|---|---|
| Province | |||
| Ba | 154 | 7 | 4.5 |
| Nadroga-Navosa | 99 | 18 | 18.2 |
| Naitisiri | 43 | 1 | 2.3 |
| Namosi | 19 | 0 | 0 |
| Ra | 65 | 8 | 12.3 |
| Rewa | 33 | 0 | 0 |
| Serua | 27 | 1 | 3.7 |
| Tailevu | 38 | 0 | 0 |
| Habitat type | |||
| Coastline/Dunes | 40 | 10 | 25 |
| Farm | 71 | 2 | 2.81 |
| Forest | 125 | 2 | 1.6 |
| Gardens/Park | 10 | 0 | 0 |
| Grassland | 136 | 7 | 5.14 |
| Riverside | 79 | 12 | 15.1 |
| Roadside verge | 17 | 2 | 11.7 |
Distribution of H_ indica in Viti Levu at different environmental variables_
| Categories | Total samples | Positive samples | Recovery frequency (%)a |
|---|---|---|---|
| Climatic zone | |||
| Leeward | 255 | 26 | 10.1 |
| Windward | 223 | 9 | 4.0 |
| Mean annual rainfall (mm) | |||
| <2,300 | 218 | 24 | 11 |
| 2,300-2,900 | 99 | 9 | 9 |
| 2,900-3,500 | 91 | 1 | 1 |
| 3,500-4,100 | 52 | 1 | 1.9 |
| >4,100 | 18 | 0 | 0 |
| Av annual max air temp (°C) | |||
| <28.0 | 18 | 0 | 0 |
| 28.0-28.5 | 70 | 1 | 1.4 |
| 28.5-29.0 | 73 | 1 | 1.3 |
| 29.0-29.5 | 175 | 27 | 15.4 |
| 29.5-30.0 | 49 | 4 | 8.1 |
| 30.0-30.5 | 72 | 2 | 2.7 |
| >30.5 | 21 | 0 | 0 |
| Av annual min air temp (°C) | |||
| <19 | 18 | 0 | 0 |
| 19-20 | 73 | 1 | 1.3 |
| 20-21 | 148 | 20 | 13.5 |
| 21-22 | 80 | 1 | 1.25 |
| >22 | 159 | 13 | 8.1 |