Tree component biomass expansion factors and root-to-shoot ratio of Lebombo ironwood: measurement uncertainty

Table 10 Pearson’s correlation coefficient test of significance and distance covariance test of independence of root-to-shoot ratio on diameter at breast height (DBH), total height (TH), aboveground biomass (AGB), belowground biomass (BGB), and total biomass (TB) in Androstachys johnsonii trees

#	Pair of variables	Pearson’s correlation test		Distance covariance test of independence
		r	Probability	dcov	dcor	Probability
1	R/S vs. DBH	0.0112	0.9154	0.0554	0.1573	0.8650
2	R/S vs. H	– 0.1563	0.1347	0.0473	0.2662	0.0650
3	R/S vs. AGB	0.0292	0.7812	0.2475	0.1518	0.8200
4	R/S vs. BGB	0.1718	0.0997	0.1575	0.1951	0.2900
5	R/S vs. TB	0.0581	0.5802	0.2763	0.1519	0.8100

r, Perason’s correlation coefficient; dcov, distance covariance; dcor, distance correlation; probability refers to the significance of the test.

ISSN: 1750-0680