Table 3 The correlation of scaled proxy variables with TDGR in regions.
Proxy variables | EC | SC | SWC | NC | CC | NEC | NWC |
|---|---|---|---|---|---|---|---|
P1 | − 0.188 | − 0.451** | 0.206 | − 0.195 | 0.002 | − 0.27 | 0.12 |
E1 | − 0.164 | − 0.361* | 0.318* | − 0.285 | − 0.470** | − 0.21 | − 0.093 |
E2 | − 0.248* | − 0.402* | 0.092 | − 0.212 | 0.064 | − 0.067 | 0.208 |
E3 | − 0.066 | − 0.393* | 0.12 | − 0.158 | − 0.043 | − 0.167 | 0.109 |
E4 | − 0.314** | − 0.251 | − 0.046 | − 0.242 | 0.133 | − 0.350* | − 0.029 |
E5 | − 0.225* | 0.031 | 0.002 | − 0.074 | − 0.278 | − 0.13 | 0.083 |
E6 | − 0.247* | − 0.568** | 0.103 | − 0.405* | − 0.362* | − 0.390* | − 0.059 |
EC1 | 0.014 | − 0.455** | − 0.236 | − 0.323 | − 0.259 | − 0.093 | 0.051 |
EC2 | 0.019 | − 0.463** | − 0.231 | − 0.299 | − 0.353* | − 0.101 | 0.038 |
EC3 | − 0.033 | 0.241 | 0.235 | − 0.342* | − 0.115 | − 0.029 | − 0.001 |
EC4 | – | 0.243 | 0.255 | − 0.039 | 0.021 | − 0.161 | 0.311 |
C1 | − 0.085 | − 0.231 | − 0.377* | − 0.326 | − 0.022 | 0.041 | 0.032 |
C2 | − 0.046 | − 0.342* | − 0.391** | 0.147 | − 0.031 | − 0.172 | 0.095 |
C3 | 0.113 | − 0.336* | − 0.375* | − 0.087 | − 0.226 | − 0.108 | − 0.073 |
C4 | 0.038 | − 0.056 | 0.155 | − 0.284 | − 0.055 | 0 | − 0.246 |
C5 | − 0.016 | − 0.114 | 0.334* | − 0.401* | − 0.049 | 0.067 | 0.102 |
H1 | − 0.148 | − 0.400* | 0.211 | − 0.185 | − 0.284 | − 0.141 | 0.024 |
H2 | − 0.173 | − 0.344* | 0.227 | − 0.236 | − 0.363* | − 0.212 | − 0.032 |
H3 | − 0.230* | − 0.501** | 0.175 | − 0.266 | − 0.444** | − 0.194 | 0.064 |
IA1 | − 0.171 | − 0.499** | 0.25 | − 0.357* | − 0.462** | − 0.216 | − 0.071 |
IA2 | − 0.183 | − 0.453** | 0.217 | − 0.333* | − 0.532** | − 0.118 | − 0.122 |
TA1 | − 0.122 | − 0.482** | 0.416** | − 0.341* | − 0.607** | − 0.312 | − 0.118 |
TA2 | − 0.293** | − 0.139 | 0.349* | − 0.216 | − 0.116 | − 0.181 | − 0.068 |
TA3 | − 0.214 | − 0.439** | 0.126 | − 0.064 | − 0.107 | 0.106 | − 0.145 |
TA4 | − 0.17 | − 0.143 | 0.607** | − 0.119 | 0.345* | 0.235 | 0.132 |
Sig var | 6 | 16 | 8 | 6 | 9 | 2 | 0 |