Environmental variable | Type of variable | Redundancy analysis |
---|---|---|
Mean temperature | Numeric, from 16.9 to 27.5°C | Pseudo-F = 0.69, d.f. = 106 (p = 0.63) |
Total precipitation | Numeric, from 0.9 to 155.3 mm | Pseudo-F = 0.13, d.f. = 106 (p = 0.99) |
Bromeliad height | Numeric, from 0 to 260 cm | Pseudo-F = 0.61, d.f. = 106 (p = 0.68) |
Type of bromeliad | Factor, 3 levels (ground, epiphytic, rocky) | Pseudo-F = 1.49, d.f. = 106 (p = 0.13) |
Water pH | Numeric, from 3.9 to 7.5 | Pseudo-F = 0.41, d.f. = 106 (p = 0.86) |
Tank diameter | Numeric, from 10 to 100 cm | Pseudo-F = 0.50, d.f. = 106 (p = 0.75) |
Tank depth | Numeric, from 10 to 140 cm | Pseudo-F = 0.98, d.f. = 106 (p = 0.41) |
Landscape categories | Factor, 3 levels (lowland, hillslope, hillside) | Pseudo-F = 1.89, d.f. = 106 (p = 0.04)a |
Bromeliad water volume | Numeric, from 7 to 750 ml | Pseudo-F = 2.99, d.f. = 106 (p = 0.03)a |
Bromeliad fullness (water divided by depth) | Numeric, from 0.2 to 17.5 ml/cm | Pseudo-F = 4.47, d.f. = 106 (p < 0.01)a |