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Table 1 Models for introduced species cover

From: Secondary human impacts on the forest understory of Ulleung Island, South Korea, a temperate island

Model Model ID Log-likelihood Number of parameters AIC Delta AIC Akaike weight R 2 R2 adj
TU, E, CC, DC, DD, DT Global − 86.251 7 188.502 4.374 0.112 0.215 0.158
TU, E, CC, DC, DD 1 − 86.344 6 186.688 2.560 0.278 0.213 0.166
E, CC, DC, DD, DT 2 − 86.481 6 186.962 2.834 0.242 0.211 0.164
TU, E, CC, DD, DT 3 − 86.561 6 187.122 2.994 0.224 0.209 0.162
TU, E, CC, DC, DT 4 − 87.037 6 188.074 3.946 0.139 0.201 0.153
E, CC, DC, DD 5 − 86.644 5 185.288 1.160 0.560 0.208 0.171
TU, E, CC, DD 6 − 86.704 5 185.408 1.280 0.527 0.207 0.170
E, CC, DD* 7 − 87.064 4 184.128 0.000 1.000 0.200 0.173
E, CC 8 − 88.253 3 184.506 0.378 0.828 0.179 0.160
CC 9 − 92.057 2 190.113 5.985 0.050 0.107 0.096
1 Null − 97.129 1 198.258 14.13 0.001 0.000 0.000
  1. TU trail usage, E elevation, CC canopy cover, DC distance to coast, DD distance to development, DT distance to town
  2. * indicates selected model based on Akaike weight