Table 5 Spearman’s coefficient (ρ) and its significance (P) between environmental parameters and tick abundance on horses in Israel. Bold represents significant correlations
Ticks | Ha. parva | Hy. excavatum | Hy. marginatum | Rh. annulatus | Rh. turanicus | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ρ | P | ρ | P | ρ | P | ρ | P | ρ | P | ρ | P | |
Multiannual avg. rainfall | -0.01 | 0.98 | 0.15 | 0.55 | 0.08 | 0.74 | 0.29 | 0.24 | -0.51 | 0.03 | -0.03 | 0.92 |
Avg. NDVI | -0.50 | 0.03 | -0.40 | 0.10 | -0.65 | 0.00 | 0.25 | 0.33 | -0.25 | 0.31 | -0.52 | 0.03 |
Max. NDVI | 0.21 | 0.40 | 0.11 | 0.65 | 0.04 | 0.89 | 0.05 | 0.85 | 0.19 | 0.45 | -0.02 | 0.93 |
Min. NDVI | -0.42 | 0.08 | -0.34 | 0.16 | -0.63 | 0.00 | 0.16 | 0.51 | -0.09 | 0.71 | -0.49 | 0.04 |
Avg. EVI | -0.50 | 0.03 | -0.40 | 0.10 | -0.65 | 0.00 | 0.25 | 0.33 | -0.25 | 0.31 | -0.52 | 0.03 |
Max. EVI | 0.50 | 0.03 | 0.40 | 0.10 | 0.65 | 0.00 | -0.25 | 0.33 | 0.25 | 0.31 | 0.52 | 0.03 |
Min. EVI | -0.42 | 0.08 | -0.34 | 0.16 | -0.63 | 0.00 | 0.16 | 0.51 | -0.09 | 0.71 | -0.49 | 0.04 |
Max. LSTD | 0.37 | 0.13 | 0.36 | 0.15 | 0.56 | 0.02 | 0.38 | 0.12 | -0.51 | 0.03 | 0.27 | 0.28 |
Avg. LSTD | 0.42 | 0.08 | 0.34 | 0.16 | 0.63 | 0.00 | -0.16 | 0.51 | 0.09 | 0.71 | 0.49 | 0.04 |
Min. LSTD | -0.45 | 0.06 | -0.41 | 0.09 | -0.58 | 0.01 | -0.30 | 0.23 | 0.35 | 0.16 | -0.30 | 0.23 |
Max. LSTN | 0.28 | 0.26 | 0.42 | 0.08 | 0.29 | 0.25 | -0.15 | 0.55 | 0.05 | 0.84 | 0.23 | 0.36 |
Avg. LSTN | -0.19 | 0.46 | -0.34 | 0.16 | -0.49 | 0.04 | -0.10 | 0.70 | 0.47 | 0.05 | -0.34 | 0.17 |
Min. LSTN | -0.29 | 0.24 | -0.34 | 0.16 | -0.60 | 0.01 | -0.30 | 0.22 | 0.59 | 0.01 | -0.34 | 0.17 |
Altitude | 0.47 | 0.05 | 0.45 | 0.06 | 0.77 | 0.00 | 0.28 | 0.26 | -0.49 | 0.04 | 0.45 | 0.06 |
Soil salinity | -0.39 | 0.11 | -0.41 | 0.09 | -0.72 | 0.00 | -0.13 | 0.61 | 0.40 | 0.10 | -0.48 | 0.05 |
Avg. rainfall | -0.38 | 0.12 | 0.34 | 0.17 | -0.20 | 0.42 | -0.52 | 0.03 | -0.29 | 0.24 | -0.19 | 0.45 |
Rainy days | -0.50 | 0.03 | 0.35 | 0.15 | -0.25 | 0.32 | -0.60 | 0.01 | -0.37 | 0.13 | -0.21 | 0.40 |
Max. daily rain | -0.35 | 0.15 | 0.38 | 0.12 | -0.16 | 0.53 | -0.53 | 0.02 | -0.24 | 0.33 | -0.18 | 0.46 |
Max. temperature | 0.34 | 0.17 | -0.50 | 0.04 | 0.14 | 0.57 | 0.49 | 0.04 | 0.17 | 0.49 | 0.34 | 0.16 |
Min. temperature | 0.07 | 0.79 | -0.59 | 0.01 | -0.21 | 0.41 | 0.44 | 0.07 | 0.28 | 0.27 | -0.16 | 0.52 |
Avg. temperature | 0.21 | 0.41 | -0.58 | 0.01 | -0.07 | 0.79 | 0.50 | 0.04 | 0.30 | 0.22 | 0.02 | 0.95 |
Moist temperature | 0.17 | 0.51 | -0.58 | 0.01 | -0.14 | 0.58 | 0.53 | 0.03 | 0.31 | 0.20 | -0.05 | 0.83 |
Dew point | 0.15 | 0.56 | -0.61 | 0.01 | -0.14 | 0.57 | 0.58 | 0.01 | 0.26 | 0.30 | -0.06 | 0.82 |
Avg. humidity | -0.19 | 0.45 | 0.15 | 0.54 | -0.20 | 0.43 | -0.02 | 0.94 | 0.14 | 0.58 | -0.33 | 0.18 |
Avg. wind speed | 0.37 | 0.19 | 0.05 | 0.86 | 0.54 | 0.05 | 0.29 | 0.32 | -0.50 | 0.07 | 0.27 | 0.35 |