Variable;Description;"Categories used in models"
"Tree genera";"Salix (n = 3,961). Fraxinus (n = 2,227). Populus (n = 1,286). Carpinus (n = 185). Quercus (n = 74). Other trees + Missing data (n = 281).";"Salix (n = 3,961). Fraxinus (n = 2,227). Populus (n = 1,286). Other (n = 540)."
"Developmental stage of cavity";"Stage 0: no cavity (n = 576). Stage 1: beginning of cavity development, not deep, small amount of mould (n = 2,157). Stage 2: Cavity with mould and a small entrance (n = 1,125). Stage 3: Large cavity with an important volume of mould (>5 litres) and a small entrance, optimum stage for Osmoderma (n = 1,067). Stage 4: Large and open cavity, empty of its mould after natural degradation of the trunk. The cavity soon to be uninhabitable by Osmoderma (n = 2,711). Stage 5: Dead or alive tree with emptied cavity (n = 373). Missing data (n = 5).";"Suitable = Stage 2+3+4 (n = 4,903). Unsuitable = Stage 1+5 (n = 2,530). Absent = Stage 0 (n = 576)."
"Date of last pruning";"Old (>10 yrs). Medium (5-10 yrs). Recent (< 5 yrs). Missing data (n = 9).";"Old (n = 5,369). Medium (n = 1,605). Recent (n = 1,031)."
"Crown development";"Absence of crown either because tree is dead or after a recent, major pruning (n = 351). Small crown (n = 810). Medium crown (n = 1,700). Large crown (n = 1,975). Very large crown (n = 3,170). Missing data (n = 8).";"Absent or small (n = 1,161). Medium size = Medium + large (n = 3,675). Very large (n = 3,170)."
"Presence of Osmoderma eremita";"Observation of larvae, adults, exoskeleton remains and/or faecal pellets of larvae of O. eremita.";"Presence (n = 42). Absence (n = 7,972)."
"Distance to the nearest tree inhabited by Osmoderma eremita";"Minimum distance, in metres, to the nearest tree with presence of O. eremita, calculated after GPS coordinates of the trees.";Metric.
"Length of TOW per 1km²";"Length of hedgerow with trees per square of a 1km² grid.";"Metric: Min.: 0.0; Median: 2,616; Mean: 2,844; Max.: 7,768."