Table 3.
Pearson correlation coefficients between landscape variables and species diversity (Shannon) with corresponding statistics (df = 9).
Scale (km) | Odonata | Zygoptera | Anisoptera | ||||
---|---|---|---|---|---|---|---|
r | p | r | p | r | p | ||
Landscape diversity | 5 | −0.01 | 0.98 | −0.17 | 0.62 | 0.14 | 0.68 |
2.5 | −0.28 | 0.41 | −0.45 | 0.17 | 0.10 | 0.78 | |
1.25 | −0.15 | 0.67 | −0.47 | 0.15 | 0.01 | 0.97 | |
Length of watercourses | 5 | 0.41 | 0.21 | −0.06 | 0.86 | 0.63 | 0.04 |
2.5 | 0.23 | 0.50 | −0.02 | 0.95 | 0.42 | 0.20 | |
1.25 | 0.19 | 0.57 | 0.05 | 0.88 | 0.27 | 0.43 | |
Forest patch proportion | 5 | −0.22 | 0.51 | −0.46 | 0.16 | −0.01 | 0.99 |
2.5 | −0.40 | 0.23 | −0.49 | 0.13 | −0.16 | 0.64 | |
1.25 | −0.55 | 0.08 | −0.55 | 0.08 | −0.24 | 0.47 | |
Farmland patch size | 5 | −0.74 | 0.01 | −0.45 | 0.16 | −0.55 | 0.08 |
2.5 | −0.45 | 0.16 | −0.14 | 0.68 | −0.60 | 0.05 | |
1.25 | −0.44 | 0.17 | 0.00 | 1.00 | −0.72 | 0.01 | |
Distance to the nearest forest patch | 1.25 | 0.39 | 0.24 | 0.07 | 0.83 | 0.23 | 0.49 |