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Table 2 Correlation between bromeliad mosquito assemblage and environmental variables.

From: Mosquito (Diptera: Culicidae) assemblages associated with Nidularium and Vriesea bromeliads in Serra do Mar, Atlantic Forest, Brazil

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

  1. Results of the multivariate Redundancy analysis (RDA) showing correlations between bromeliad mosquito assemblage structure and environmental variables.
  2. a = Significant result under the null hypothesis: Pseudo-F = 0 (p < 0.05).