Table 1.
Geographical information of samples of C. camphora populations with mean essential oil yield of each population.
| Site | Province | Code | N 1 | E | MAAT | MAIT | MAP | Elevation | n | Oil Yield (%) |
|---|---|---|---|---|---|---|---|---|---|---|
| Qimen | Anhui | AH-QM | 29.696716° | 117.506601° | 23 | 13 | 2396 | 90 | 30 | 2.01 ± 0.74 |
| Shapingba | Chongqing | CQ-SPB | 29.579210° | 106.417387° | 23 | 16 | 982 | 465 | 30 | 0.92 ± 0.16 |
| Fuzhou | Fujian | FJ-FZ | 26.157219° | 119.283930° | 27 | 18 | 1836 | 86 | 30 | 0.49 ± 0.50 |
| Huaan | Fujian | FJ-HA | 24.959486° | 117.534795° | 28 | 17 | 2989 | 205 | 10 | 0.48 ± 0.14 |
| Yongan | Fujian | FJ-YA | 26.011571° | 117.390753° | 27 | 16 | 2876 | 224 | 30 | 0.61 ± 0.44 |
| Youxi | Fujian | FJ-YX | 26.040294° | 118.128517° | 27 | 16 | 2769 | 176 | 30 | 0.55 ± 0.35 |
| Heyuan | Guangdong | GD-HY | 23.718087° | 115.209347° | 28 | 17 | 2648 | 343 | 28 | 0.66 ± 0.63 |
| Meizhou | Guangdong | GD-MZ | 24.146901° | 116.076344° | 28 | 18 | 2099 | 132 | 30 | 0.68 ± 0.59 |
| Shaoguan | Guangdong | GD-SG | 24.849486° | 113.562527° | 26 | 17 | 2814 | 82 | 27 | 0.28 ± 0.25 |
| Shixing | Guangdong | GD-SX | 24.855446° | 114.100072° | 27 | 16 | 2867 | 199 | 17 | 0.95 ± 0.92 |
| Zhanjiang | Guangdong | GD-ZJ | 21.126940° | 110.246939° | 28 | 21 | 1909 | 13 | 27 | 0.36 ± 0.47 |
| Gaofeng | Guangxi | GX-GF | 22.931939° | 108.357974° | 27 | 19 | 2014 | 118 | 28 | 1.10 ± 0.89 |
| Quanzhou | Guangxi | GX-QZ | 25.986144° | 110.921399° | 25 | 16 | 1979 | 184 | 30 | 0.91 ± 0.68 |
| Guian | Guizhou | GZ-GA | 26.412591° | 106.369501° | 20 | 13 | 1490 | 1226 | 29 | 1.47 ± 0.67 |
| Guiyang | GZ-GY | 26.496424° | 106.735431° | 19 | 12 | 1981 | 1124 | 32 | 1.00 ± 0.66 | |
| Enshi | Hubei | HB-ES | 30.281372° | 109.484778° | 23 | 14 | 1263 | 430 | 30 | 1.51 ± 0.86 |
| Xianning | Hubei | HB-XN | 29.569482° | 114.862824° | 23 | 13 | 1445 | 57 | 29 | 1.41 ± 0.46 |
| Changde | Hunan | HN-CD | 29.050278° | 111.592693° | 22 | 15 | 1327 | 91 | 30 | 1.35 ± 0.45 |
| Changsha | Hunan | HN-CS | 28.111381° | 113.054928° | 24 | 16 | 1591 | 90 | 30 | 0.69 ± 0.57 |
| Chenzhou | Hunan | HN-CZ | 25.789165° | 112.996943° | 23 | 15 | 2524 | 211 | 28 | 1.09 ± 0.70 |
| Xinhua | Hunan | HN-XH | 27.780197° | 111.180908° | 24 | 15 | 2204 | 181 | 30 | 1.70 ± 0.46 |
| Yongzhou | Hunan | HN-YZ | 26.391109° | 111.761389° | 24 | 16 | 822 | 176 | 30 | 1.02 ± 0.49 |
| Zhenjiang | Jiangsu | JS-ZJ | 32.175807° | 119.441861° | 21 | 12 | 1444 | 33 | 30 | 0.41 ± 0.47 |
| Anfu | Jiangxi | JX-AF | 27.406026° | 114.560550° | 25 | 15 | 2656 | 116 | 38 | 1.18 ± 1.00 |
| Dexing | Jiangxi | JX-DX | 28.844566° | 117.579117° | 25 | 15 | 2478 | 49 | 27 | 1.09 ± 0.84 |
| Jinxi | Jiangxi | JX-JX | 27.871332° | 116.584137° | 25 | 15 | 2821 | 47 | 11 | 0.89 ± 0.55 |
| Nanchang | Jiangxi | JX-NC | 28.779930° | 115.779720° | 24 | 16 | 2515 | 129 | 29 | 0.78 ± 0.69 |
| Ruijin | Jiangxi | JX-RJ | 25.864169° | 115.932219° | 26 | 16 | 2604 | 223 | 30 | 0.80 ± 0.54 |
| Wuyuan | Jiangxi | JX-WY | 29.252720° | 117.859167° | 25 | 14 | 2787 | 80 | 29 | 1.12 ± 0.73 |
| Xingguo | Jiangxi | JX-XG | 26.495143° | 115.771943° | 26 | 17 | 2341 | 265 | 29 | 1.42 ± 0.68 |
| Luxian | Sichuan | SC-LX | 29.138419° | 105.385134° | 23 | 15 | 1168 | 478 | 29 | 0.47 ± 0.35 |
| Hanzhong | Shaanxi | SX-HZ | 33.135874° | 107.301057° | 22 | 12 | 1764 | 443 | 30 | 1.54 ± 0.49 |
| Changxing | Zhejiang | ZJ-CX | 30.977313° | 119.609480° | 23 | 14 | 1614 | 115 | 30 | 0.60 ± 0.62 |
| Tonglu | Zhejiang | ZJ-TL | 29.818942° | 119.757321° | 23 | 13 | 2392 | 51 | 14 | 0.77 ± 0.65 |
| Yuyao | Zhejiang | ZJ-YY | 30.038909° | 120.992886° | 23 | 14 | 2972 | 19 | 33 | 0.44 ± 0.44 |
1 Abbreviations: N: latitude, E: longitude, MAAT: mean annual maximum temperature, MAIT: mean annual minimum temperature, MAP: mean annual precipitation.