From: Secondary human impacts on the forest understory of Ulleung Island, South Korea, a temperate island
Estimate
Std. error
t value
Pr(>|t|)
(Intercept)
2.1695
0.2380
9.116
< 0.0001*
Trail usage
− 0.2320
0.1082
− 2.143
0.0349*