Nathan J. B. Kraft and David D. Ackerly. 2010. Functional trait and phylogenetic tests of community assembly across spatial scales in an Amazonian forest. Ecological Monographs 80:401–422.

Appendix C (TABLE C1). Percentage of quadrats where the observed trait metrics were significantly different from the null expectation.

		Habitat Filtering		Even Spacing
trait	scale	range	variance	SDNN	SDNNr	SDNDr	kurtosis
SLA	5	5.4%	5.8%	5.1%	5.0%	5.4%	4.9%
	20	9.0%	13.0%	4.5%	4.5%	4.5%	5.3%
	50	8.9%	20.0%	8.9%	7.8%	4.4%	1.1%
	100	4.0%	24.0%	0.0%	0.0%	0.0%	4.0%
leaf [N]	5	5.3%	5.3%	5.5%	5.2%	5.1%	5.1%
	20	4.8%	7.4%	4.2%	4.3%	4.3%	3.4%
	50	4.4%	7.8%	3.3%	4.4%	0.0%	5.6%
	100	8.0%	16.0%	4.0%	4.0%	0.0%	0.0%
leaf size	5	4.9%	5.1%	5.2%	5.1%	5.1%	5.3%
	20	6.1%	5.9%	6.6%	5.9%	5.4%	5.6%
	50	6.7%	12.2%	8.9%	8.9%	5.6%	8.9%
	100	8.0%	12.0%	4.0%	4.0%	0.0%	4.0%
seed mass	5	4.6%	4.8%	4.5%	4.7%	4.5%	4.7%
	20	5.8%	6.1%	4.3%	4.5%	5.4%	6.3%
	50	5.6%	14.4%	1.1%	2.2%	4.4%	3.3%
	100	0.0%	20.0%	0.0%	0.0%	0.0%	0.0%
wood density	5	2.8%	2.6%	2.7%	2.6%	2.7%	2.9%
	20	1.6%	2.6%	2.9%	3.8%	1.9%	3.2%
	50	5.6%	3.3%	10.0%	10.0%	2.2%	1.1%
	100	16.0%	16.0%	16.0%	16.0%	4.0%	8.0%
max. dbh	5	5.7%	5.8%	5.3%	5.1%	5.1%	5.0%
	20	9.8%	14.4%	6.9%	6.4%	6.9%	6.4%
	50	16.7%	30.0%	8.9%	7.8%	3.3%	10.0%
	100	16.0%	68.0%	4.0%	4.0%	4.0%	8.0%
D950.1	5	5.4%	5.4%	5.4%	5.5%	5.3%	5.0%
	20	5.4%	9.1%	5.4%	5.3%	8.0%	5.3%
	50	10.0%	11.1%	4.4%	4.4%	4.4%	7.8%
	100	8.0%	12.0%	4.0%	4.0%	4.0%	4.0%

Notes: Percentages indicate the fraction of quadrats in which the observed trait metric was smaller than was measured in 95% of the null communities. Scale refers to the length (m) of one side of a square quadrat.