Table 5. Coefficient of similarity index between each survey plot types of the elapsed year after forest road construction.

		S	The elapsed year after forest road construction
			1yr			2yr			25yr
			E	C	R	E	C	R	E	C	R
S			0.713	0.565	0.000	0.591	0.396	0.057	0.630	0.607	0.209
25yr	E			0.674	0.000	0.588	0.409	0.030	0.607	0.628	0.241
	C				0.091	0.579	0.500	0.172	0.525	0.571	0.270
	R					0.000	0.125	0.364	0.000	0.000	0.105
2yr	E						0.475	0.074	0.526	0.603	0.286
	C							0.323	0.476	0.543	0.359
	R								0.034	0.073	0.269
1yr	E									0.649	0.270
	C										0.366
	R