Skip to main content

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

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

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
  1. 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.