Table 4. Differences in estimates of richness from the simultaneous-collection strategy.

Results from two-tailed significance tests (paired t-test) to evaluate mean differences in richness components estimated from the simultaneous-collection strategy. Significant relationships are indicated in bold.

Component	Point count	ARU	t-statistic	df	p-value
Alpha	4.27	4.23	0.204	19	0.841
Beta	1.97	1.89	1.315	19	0.204
Gamma	8.35	7.85	2.236	19	0.038