Table 1 |
||||||||
| Locations of populations of Rumex acetosa and Commelina communis , and the total and extractable Cu concentrations in the substrates associated with plants sampled | ||||||||
| Edaphic type | Latitude/Longitude | Populations (Abbreviation) | R. acetosa | C. communis | Concentration of Cu in substrates (mg kg-1, mean ± SD) | |||
| N i est. | Sample size | N i est. | Sample size | Total Cu | Extractable Cu | |||
| M | 30°52´N, 118°01´E | Fenghuangshan, Anhui (FHS) | > 500 | 13 | > 1000 | 15 | 2787 ± 827 b** | 359 ± 85 b |
| M | 30°55´N, 117°53´E | Shizishan, Anhui (SZS) | 100-500 | 11 | 500-1000 | 15 | 7966 ± 1197 a | 1778 ± 314 a |
| M | 30°56´N, 118°09´E | Dagongshan, Anhui (DGS) | > 500 | 15 | 500-1000 | 12 | 7033 ± 1819 a | 1769 ± 610 a |
| M | 30°26´N, 117°16´E | Tongshan, Anhui (CZ) | > 5000 | 15 | > 5000 | 15 | 3941 ± 1228 b | 594 ± 279 b |
| M | 30°02´N, 115°01´E | Tonglvshan, Hubei (TLS) | n.a | n.a | > 1000 | 15 | 8587 ± 920 a | 2194 ± 219 a |
| M | 29°56´N, 114°53´E | Tongshankou, Hubei (TSK) | n.a. | n.a | < 500 | 13 | 4519 ± 988 b | 679 ± 142 b |
| M | 31°45´N, 118°33´E | Tongjing, Jiangsu (TJ) | < 100 | 11 | n.a. | n.a | 3895 ± 76 b | 927 ± 17 b |
| M | 32°06´N, 119°04´E | Anjishan, Jiangsu (AJS) | < 100 | 10 | < 100 | 10 | 6572 ± 238 a | 1832 ± 75 a |
| M | 32°04´N, 119°05´E | Jiuhuashan, Jiangsu (JHS) | 100-500 | 12 | n.a. | n.a | 3341 ± 100 b | 633 ± 20 b |
| NM | 30°56´N, 117°49´E | Tongling, Anhui (TLCK) | < 100 | 11 | < 100 | 12 | 50 ± 0.3 c | 5.1 ± 0.3 c |
| NM | 31°12´N, 116°47´E | Shucheng, Anhui (SCCK) | 100-500 | 13 | 100-500 | 14 | 3.7 ± 0.4 c | 2.0 ± 0.1 c |
| NM | 30°28´N, 117°17´E | Chizhou, Anhui (CZCK) | 100-500 | 14 | < 100 | 12 | 28 ± 18 c | 6.4 ± 0.2 c |
| NM | 30°57´N, 118°09´E | Nanling, Anhui (DGSCK) | < 100 | 11 | 100-500 | 15 | 28 ± 0.4 c | 7.2 ± 0.3 c |
| NM | 32°02´N, 118°55´E | Nanjing, Jiangsu (JSCK) | < 100 | 12 | < 100 | 11 | 62 ± 28 c | 11 ± 0.3 c |
| NM | 30°15´N, 120°08´E | Hangzhou, Zhejiang (HZCK) | n.a. | n.a | 100-500 | 12 | 23 ± 4.3 c | 6.4 ± 0.1 c |
*: M, metallicolous; NM, non-metallicolous; Ni est., approximative population size; n.a., data not available, the species is not present in the indicated site.
**: Data with different letters in the same column indicate a significant difference (P < 0.05, LSD test).
Ye et al. BMC Evolutionary Biology 2012 12:84 doi:10.1186/1471-2148-12-84
