Spatial Analysis Metrica Quadrat Grid Matrix 4X4 6X6 8X8 10X10 Quadrat Unit Size 6.25 2.78 1.56 1.00 Taylor’s Density Variance/Mean ratio 1.517 2.268 2.667 1.582 Chi-Square for V/M ratio 22.76 79.36 168.00 126.54 V/M ratio χ2 Significance (p)< 0.08908 (random) 0.00003 (clustered) 0.00000 (very clustered) 0.00072 (clustered) Morista Dispersion Index 1.242 2.386 4.387 2.455 Standadized Morista Coefficient 0.3106 0.5119 0.521 0.5039 Index of Cluster Size 0.517 1.268 1.667 0.582 aIndices of dispersion as defined in [1]

Table 1: Influence of grid dimensions on quadrat-based indices of dispersiona for spatial distribution analysis of the landscape image in Figure 4.