Factors influencing natural regeneration of totara (Podocarpus totara D.Don) on grazed hill country grassland in Northland, New Zealand

New Zealand Journal of Forestry Science

Table 3 Tests of association between presence/absence of totara and various environmental variables

Variable	Correlation	F value	Pr > F
SLOPE (°)	0.64	93.09	<0.0001
PCTCOV (% herbaceous cover)	−0.52	49.70	<0.0001
PCTBARE (% Bare ground)	0.27	8.51	0.0038
Gorse present (%)	0.25	5.77	0.017
Manuka/kanuka present (%)	0.25	7.29	0.0073
FERT (%High/(%Low +%High))	−0.39	16.31	<0.0001
NSPECIES (no. herbaceous species)	0.31	16.12	<0.0001
TWINSPAN group	-	5.59	0.0009

Shown are the Pearson correlation coefficient, and the significance of the association tested using logistic regression F values (with 1 and 345 degrees of freedom) and probabilities.