Sample site Abbr. Geographic coordinates N n h π
Nantong NT 32°24′07″; 122°53′28″E 6 3 0.600 0.0317
Shanghai SH 30°58′02″; 122°12′21″E 14 1 0.000 0.0000
Sanmen SM 29°11′18″; 121°34′24″E 19 4 0.298 0.1096
Yueqing YQ 28°08′05″; 121°05′30″E 17 2 0.118 0.1115
Nanji NJ 27°33′35″; 120°56′44″E 15 2 0.133 0.1266