Structural development of vegetation on rehabilitated North Stradbroke Island: Above/belowground feedback may facilitate alternative ecological outcomes

Ecological Processes

Table 6 Regression summaries for the density, diversity, and proportional abundance of canopy species

Parameter		Post-1995 Rehab. (0–10 Years)				Pre-1995 Rehab. (>10-20 Years)
	df	r ²	f(x)	p	df	r ²	f(x)	p
Total Density (All Species)	1/92	0.25	132x + 61	***	1/37	0.07	-60x + 2193	ns
Specific Density (Black Sheoak)	1/92	0.14	46x - 28	***	1/37	<0.01	-3.1x + 644	ns
Shannon’s Index	1/71	0.23	0.05x + 1.5	***	1/23	0.20	-0.06x + 2.4	*
Simpson’s Index	1/71	0.02	0.003x + 0.8	ns	1/23	0.12	-0.02x + 0.9	ns
Proportional Abundance (Black Sheoak)	1/92	0.04	1.4x + 15	*	1/37	0.06	1.9x + 20	ns