Comparison of -Square, Point Centered Quarter, and -Tree Sampling Methods in Pittosporum undulatum Invaded Woodlands

Table 4

Summary of the analysis performed regarding the spatial distribution patterns in the six plots sampled at Pittosporum undulatum stands. Significant deviations from a random pattern are indicated in bold (aggregated) or in italic (regular).

Plots	-Square			PCQM			Quadrats
	C	z		I	z
Plot 1	0.57	1.34	1.37	3.12	3.38	1.61	0.93	−0.07	0.94	32.87
Plot 2	0.62	2.29	1.23	2.13	0.39	1.26	1.34	0.50	2.20	76.90
Plot 3	0.51	0.10	1.19	2.27	0.81	1.26	1.27	0.50	3.94	137.89
Plot 4	0.58	1.55	1.31	2.98	2.97	1.39	1.18	−0.49	1.41	49.22
Plot 5	0.59	1.64	1.15	1.35	−1.96	1.08	1.13	0.50	2.66	93.04
Plot 6	0.55	0.96	1.28	1.39	−1.83	1.07	1.07	0.50	1.73	60.40