混合样品代表地衣元素积累的平均水平——来自元素含量不同的两种地衣的证据

徐豆,李星,郑轩,金倩,张金明,刘璐,王艳博,赵良成,高静,吴园园,孟建卫,刘华杰

Composite sample being representative of mean accumulation level of lichen elements: evidence from two lichens differing in element concentrations

XU Dou,LI Xing,ZHENG Xuan,JIN Qian,ZHANG Jin-Ming,LIU Lu,WANG Yan-Bo,ZHAO Liang-Cheng,GAO Jing,WU Yuan-Yuan,MENG Jian-Wei,LIU Hua-Jie

表1 两种地衣的元素含量

Table 1 Element concentrations of two lichens (μg/g)

Element Dermatocarpon miniatum Xanthoria elegans Dermatocarpon miniatum Xanthoria elegans Mean (μg/g) CV (%) Mean (μg/g) CV (%) Mean (μg/g) CV (%) Mean (μg/g) CV (%) Al 13826 13.90 10281 20.22 Mn 267.5 18.99 144.7 14.43 As 5.095 19.00 2.851 14.87 Mo 0.866 9.49 0.776 17.12 B 14.95 17.24 8.193 13.58 Na 2850 13.88 1824 8.15 Ba 65.85 17.94 46.14 11.19 Nb 1.160 16.51 0.619 15.40 Be 0.430 14.17 0.262 17.14 Nd 8.323 16.26 4.509 16.23 Bi 1.274 13.97 0.833 13.80 Ni 13.83 14.67 7.936 12.65 Ca 10530 37.11 8342 31.86 P 1769 13.11 1907 8.07 Cd 0.464 14.52 0.248 18.48 Pb 30.87 12.41 21.16 16.75 Ce 16.13 14.00 9.468 13.96 Pr 2.061 14.67 1.193 15.63 Co 6.223 18.21 3.685 13.23 Rb 17.02 17.68 14.62 15.49 Cr 26.90 8.64 18.33 18.31 S 2844 18.27 3020 11.86 Cs 2.246 10.69 1.674 10.18 Sb 0.665 18.41 0.335 16.75 Cu 24.00 14.55 12.58 12.60 Sc 1.935 9.71 1.327 15.24 Dy 1.016 14.27 0.564 15.29 Se 0.707 14.82 0.765 9.66 Er 0.520 15.56 0.274 14.81 Sm 1.459 14.95 0.793 14.96 Eu 0.287 14.21 0.154 14.33 Sr 60.41 14.56 42.70 17.68 Fe 10633 11.16 7883 16.14 Tb 0.189 11.04 0.102 17.16 Gd 1.408 14.68 0.769 14.64 Th 2.497 18.12 1.236 18.08 Ge 0.262 18.35 0.143 17.68 Ti 861.8 10.08 653.5 15.20 Hg 0.128 17.72 0.123 13.98 Tl 0.436 27.39 0.266 27.08 Ho 0.197 14.03 0.105 15.58 Tm 0.0624 15.77 0.0330 17.80 K 6034 11.56 5517 8.89 U 0.512 17.54 0.250 12.51 La 9.130 17.42 4.831 19.06 V 20.72 13.71 14.66 14.72 Li 11.20 14.98 7.543 16.13 Y 6.315 16.13 3.182 16.21 Lu 0.0618 16.84 0.0332 15.85 Yb 0.453 11.28 0.248 16.20 Mg 2241 10.80 1545 15.22 Zn 90.87 14.82 45.30 19.63