Variables Definition and description
Marking type Including anogenital gland secretion mark, bite mark, urinary mark and scratch mark.
Marking orientation Whether the mark is face to, parallel to or back to the trail.
DBH (cm) Tree trunk diameter at 1.5 m above ground level.
Roughness Divided into four categories: (1) smooth, (2) relatively smooth, (3) relatively rough and (4) rough.
SDT (cm) Straight line distance from the tree to the center of the trail.
Topography Whether the site located in ridge, valley or slope.
Slope Slope of the mark tree or the tree in the middle of the control sites.
Slope aspect Aspect of the slope of the mark tree or the tree in the middle of the control sites.
Vegetation density Including tree density, shrub density and bamboo density in the sites.
Vegetation coverage Including tree cover, shrub cover and bamboo cover in the sites.