Site name Latitude Longitude 2018 2018 2018 2018 2019 2019 2019 2019 2020
PC1 PC2 PC3 PC4 PC1 PC2 PC3 PC4 PC1 PC2 PC3 PC4
BZXX 37.393 117.978 0.911 -0.241 0.108 -0.118 0.923 -0.214 0.149 -0.068 0.899 -0.172 0.246 -0.157
DESC 37.362 118.002 0.893 -0.276 0.107 -0.116 0.925 -0.208 0.140 -0.090 0.910 -0.147 0.232 -0.166
SHBJ 37.431 118.667 0.923 -0.096 0.093 -0.170 0.927 -0.082 0.165 -0.182 0.893 -0.023 0.291 -0.256
ETLY 37.467 116.303 0.919 -0.226 0.148 -0.015 0.922 -0.248 0.112 0.061 0.917 -0.228 0.151 0.030
HZXY 35.27 115.455 0.914 -0.219 -0.057 0.127 0.885 -0.181 -0.122 0.198 0.860 -0.275 -0.169 0.167
HBJZZ 36.44 120.61 0.779 0.358 0.180 0.218 0.874 0.331 0.031 -0.019 0.874 0.308 0.000 -0.085
JCEC 36.645 116.949 0.920 -0.304 0.095 0.054 0.938 -0.269 0.046 0.149 0.926 -0.293 0.067 0.154
JLZ 37.445 116.299 0.906 -0.247 0.145 -0.020 0.929 -0.237 0.095 0.065 0.911 -0.212 0.130 0.060
JQQCJSC 37.438 116.272 0.910 -0.228 0.167 0.010 0.925 -0.250 0.091 0.072 0.915 -0.231 0.151 0.054
KFQ 36.673 117.127 0.910 -0.266 0.096 0.027 0.915 -0.284 0.047 0.097 0.920 -0.281 0.097 0.149
KFQGWH 37.434 118.69 0.931 -0.104 0.072 -0.183 0.928 -0.074 0.175 -0.173 0.888 -0.018 0.275 -0.269
KGS 36.611 116.986 0.927 -0.235 0.123 0.060 0.939 -0.242 0.060 0.131 0.929 -0.262 0.043 0.174
NKS 36.665 116.938 0.928 -0.239 0.125 0.075 0.924 -0.274 0.042 0.174 0.908 -0.284 0.055 0.189
SZZCK 36.687 117.062 0.919 -0.264 0.140 0.034 0.928 -0.284 0.051 0.125 0.925 -0.280 0.100 0.152
SJCZ 36.663 117.05 0.925 -0.241 0.140 0.062 0.933 -0.268 0.064 0.141 0.924 -0.273 0.083 0.165
SZX 35.238 115.475 0.910 -0.213 -0.073 0.136 0.893 -0.149 -0.153 0.200 0.900 -0.240 -0.159 0.160
CQDX 36.548 116.768 0.923 -0.287 0.071 0.046 0.930 -0.251 0.034 0.169 0.922 -0.272 0.026 0.154
DHC 35.404 116.549 0.941 -0.196 -0.100 0.117 0.934 -0.152 -0.168 0.055 0.909 -0.229 -0.171 0.051
HJC 35.43 116.625 0.941 -0.191 -0.114 0.109 0.939 -0.153 -0.175 0.048 0.934 -0.204 -0.163 0.029
SJCZ 36.662 117.049 0.925 -0.241 0.140 0.062 0.933 -0.268 0.064 0.141 0.924 -0.273 0.083 0.165
HDBXGC 35.089 118.396 0.917 0.027 -0.312 0.058 0.929 0.032 -0.246 -0.167 0.909 0.045 -0.292 -0.138
LDDX 36.434 116.007 0.929 -0.225 0.065 0.082 0.932 -0.254 0.008 0.160 0.918 -0.270 -0.001 0.177
LNZY 35.058 118.295 0.917 -0.010 -0.324 0.050 0.914 0.031 -0.251 -0.184 0.923 0.022 -0.285 -0.171
QZF 36.437 115.985 0.922 -0.267 0.063 0.051 0.932 -0.246 0.018 0.161 0.921 -0.269 0.005 0.169
XGMFC 34.998 118.279 0.921 0.031 -0.308 0.088 0.931 0.021 -0.264 -0.159 0.918 0.012 -0.292 -0.166
QHXQ 35.053 118.343 0.917 -0.019 -0.316 0.059 0.929 0.020 -0.259 -0.170 0.919 0.032 -0.292 -0.155
CYQZZ 36.308 120.4 0.873 0.371 -0.021 -0.037 0.905 0.311 -0.009 -0.003 0.903 0.325 -0.064 -0.066
HDQZZ 35.961 120.198 0.803 0.491 -0.126 -0.098 0.850 0.398 -0.089 0.148 0.835 0.397 -0.174 0.092
LSQZZ 36.086 120.458 0.747 0.557 -0.099 -0.110 0.821 0.473 -0.075 0.166 0.827 0.441 -0.134 0.134
SBQZZ 36.07 120.347 0.746 0.485 -0.061 -0.009 0.810 0.383 -0.071 0.173 0.790 0.355 -0.124 0.152
SNQDBZZ 36.066 120.413 0.767 0.538 -0.104 -0.101 0.818 0.465 -0.085 0.167 0.803 0.454 -0.153 0.121
SNQXBZZ 36.054 120.299 0.731 0.527 -0.152 -0.169 0.818 0.440 -0.102 0.147 0.825 0.410 -0.155 0.112
SFQZZ 36.103 120.366 0.808 0.510 -0.065 -0.063 0.861 0.421 -0.088 0.124 0.867 0.386 -0.110 0.082
GWJ 35.404 119.559 0.767 0.373 -0.320 -0.131 0.839 0.328 -0.214 0.006 0.824 0.294 -0.278 -0.041
JCZ 35.421 119.471 0.855 0.039 0.078 0.136 0.974 0.000 -0.050 -0.050 0.974 -0.008 -0.070 -0.063
DLXX 36.176 117.109 0.936 -0.244 -0.018 0.033 0.944 -0.178 -0.076 0.024 0.884 -0.271 -0.027 0.047
RKXX 36.202 117.089 0.956 -0.156 -0.014 0.051 0.949 -0.184 -0.070 0.021 0.932 -0.211 -0.060 0.067
SZFGC 35.422 119.523 0.780 0.365 -0.323 -0.117 0.859 0.322 -0.196 -0.020 0.843 0.323 -0.276 -0.042
FZYZ 36.652 119.164 0.926 -0.054 -0.064 -0.112 0.948 0.007 0.060 -0.184 0.937 0.041 0.073 -0.193
FSHBJ 37.497 121.261 0.862 0.333 0.175 -0.079 0.890 0.212 0.274 -0.103 0.859 0.325 0.240 0.022
HTJCZ 36.773 119.194 0.946 0.017 0.026 -0.100 0.946 0.007 0.091 -0.200 0.934 0.038 0.121 -0.216
HXJX 37.424 122.121 0.744 0.506 0.166 -0.085 0.844 0.358 0.208 -0.012 0.766 0.475 0.219 0.110
HBJZZ 36.702 119.144 0.954 -0.032 -0.002 -0.080 0.947 -0.010 0.092 -0.191 0.944 0.028 0.094 -0.197
MPJCY 37.401 121.599 0.864 0.367 0.176 -0.040 0.873 0.251 0.243 -0.069 0.837 0.396 0.238 0.079
SDFX 37.524 122.051 0.738 0.449 0.227 -0.120 0.820 0.377 0.249 -0.021 0.781 0.451 0.236 0.054
STQHBJ 35.099 117.452 0.871 -0.020 -0.270 0.097 0.918 -0.032 -0.287 -0.099 0.897 -0.064 -0.306 -0.060
SZQZF 34.844 117.558 0.904 -0.082 -0.303 0.142 0.934 0.002 -0.279 -0.119 0.904 -0.062 -0.323 -0.129
TEZQHBJ 34.558 117.728 0.889 -0.039 -0.337 0.156 0.886 0.049 -0.320 -0.124 0.862 -0.043 -0.369 -0.138
XJHGZ 37.544 121.318 0.867 0.306 0.175 -0.091 0.877 0.270 0.290 -0.084 0.847 0.355 0.256 0.034
XCHBJ 34.784 117.285 0.900 -0.063 -0.303 0.165 0.920 0.001 -0.285 -0.109 0.905 -0.105 -0.321 -0.082
ZCQZF 34.775 117.585 0.891 -0.113 -0.331 0.144 0.923 0.041 -0.279 -0.114 0.900 -0.074 -0.327 -0.135
ZCW 36.702 119.12 0.954 -0.048 0.023 -0.078 0.945 0.012 0.088 -0.189 0.942 0.047 0.116 -0.196
ZCC 37.543 121.372 0.864 0.320 0.157 -0.070 0.894 0.207 0.264 -0.070 0.859 0.344 0.246 0.037
SQXJ 35.249 115.423 0.901 -0.192 -0.069 0.120 0.900 -0.170 -0.120 0.182 0.886 -0.248 -0.190 0.165
XCYGHBGC 37.466 118.502 0.932 -0.105 0.118 -0.171 0.926 -0.125 0.165 -0.175 0.878 -0.069 0.302 -0.263
YK 36.24 120.666 0.801 0.426 -0.021 -0.101 0.842 0.406 0.000 0.047 0.824 0.411 -0.132 0.065
RSSHBJ 36.913 121.531 0.656 0.517 0.276 0.370 0.832 0.407 0.155 0.100 0.826 0.437 0.152 0.103
RSSQXJ 36.907 121.544 0.681 0.494 0.293 0.372 0.756 0.425 0.158 0.125 0.697 0.385 0.181 0.130
WDSSCGC 37.187 122.019 0.630 0.542 0.336 0.323 0.791 0.431 0.206 0.051 0.828 0.415 0.196 0.113
DFHGC 36.841045 118.025759 0.924 -0.228 0.084 -0.148 0.942 -0.219 0.085 -0.040 0.927 -0.201 0.156 -0.080