Table 6. Soil hardness depending on deterioration class and site of transect.
(unit: ㎜)

Class		Heavy***	Moderate***	Light***	Non-deterioration***	Average***
Site of transect
Forest site(Left)		11.5±4.2	11.3±2.8	11.2±3.1	12.8±4.5	11.7±3.4e
Buffer zone(Left)		15.5±4.8	15.6±4.5	14.3±2.3	17.4±8.5	15.6±4.4d
Bare trail
	Left5	24.9±3.0	23.1±3.0	22.8±3.8	25.8±4.4	23.9±3.3bc
	Left4	24.0±3.3	22.9±4.3	21.5±4.6	26.6±2.5	23.2±3.9c
	Left3	26.0±3.3	24.9±3.8	24.8±3.5	26.8±4.7	25.5±3.4ab
	Left2	26.4±3.7	25.6±4.0	25.4±3.5	27.5±5.7	26.0±3.7a
	Left1	27.0±2.5	25.1±4.3	26.9±3.5	28.8±3.8	26.5±3.4a
	Right1	26.2±3.4	24.5±4.3	26.0±2.6	30.1±2.9	26.1±3.9a
	Right2**	26.6±3.312	23.7±3.52	23.2±2.62	29.7±2.51	25.0±3.7ab
	Right3	25.7±2.6	24.5±3.9	24.4±3.6	29.2±3.4	25.6±3.7ab
	Right4	24.2±3.1	22.0±3.6	21.3±4.1	26.4±3.9	23.1±3.7c
	Right5*	24.4±3.312	21.1±4.612	20.0±3.22	25.1±5.61	22.7±4.5c
Buffer zone(Right)		14.1±3.2	15.1±3.4	16.7±3.1	14.7±3.2	14.9±3.2d
Forest site(Right)		11.5±2.7	11.2±4.2	10.0±3.1	8.8±4.0	11.1±3.4e
Minimum		9.1±3.0	8.4±4.0	9.3±3.3	4.7±1.5	8.7±3.4
Maximum*		29.6±1.512	27.8±2.72	27.8±2.92	31.9±1.01	29.2±2.8
Trail average		20.1±2.0	18.6±2.5	18.7±2.1	20.3±1.5	19.4±2.1
Bare trail average*		25.6±1.712	23.7±2.72	23.6±2.62	27.6±2.61	24.8±2.5

P < .05, ** P < .01, *** P < .001