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Table 1 Descriptives of the explanatory variables used to model hornbill presence-absence

From: Population assessment and habitat associations of the Visayan Hornbill (Penelopides panini) in Northwest Panay, Philippines

Variable Abbreviation Mean ± SE Range
Distance of survey point from the Park’s boundary (m) Distance 1165.4 ± 123.22  − 2058–3960a
Elevation (m) Elevation 335.7 ± 14.47 33–907
Canopy cover (%) Canopy cover 68.2 ± 2.10 0–100
Number of small trees; DBH 10–25 cm Number of small trees 26.9 ± 1.54 0–104
Number of medium-sized trees; DBH 26–99 cm Number of medium trees 19.9 ± 1.70 0–220
Number of large trees; DBH ≥ 100 cm Number of large trees 2.5 ± 0.18 0–9
Proportion of large trees with branching Type A Proportion branching type A 0.4 ± 0.03 0–1.0
Proportion of large trees with branching Type B Proportion branching type B 0.2 ± 0.02 0–1.0
Proportion of large trees with branching Types C and D Proportion branching type C&D 0.2 ± 0.03 0–1.0
  1. a Negative distances relate to points outside the Park’s boundary