Research Article
Ranking Ecological Risk of Metals to Freshwater Organisms in Lake Taihu, China
Table 2
Total concentrations (ng/L) of metals in Lake Taihu.
| Metal | | Area 1 | Area 2 | Area 3 | Area 4 | Area 5 | Area 6 | Area 7 | Sample number | Mean |
| As | GM | 5950 | 2112 | 1594 | 3653 | 1745 | 2006 | 1882 | 132 | 2417 | GSD | 1.08 | 1.37 | 1.44 | 2.5 | 1.71 | 1.41 | 1.5 | | 1.52 | Cd | GM | 673 | 806 | 820 | 772 | 756 | 785 | 731 | 282 | 762 | GSD | 1.16 | 1.12 | 1.06 | 1.11 | 1.07 | 1.05 | 1.29 | | 1.12 | Cr | GM | 3817 | 22105 | 595 | 1352 | 1981 | 2668 | 717 | 280 | 2210 | GSD | 1.22 | 1.15 | 1.05 | 1.06 | 1.1 | 1.08 | 1.28 | | 1.13 | Cu | GM | 5333 | 2364 | 2482 | 8180 | 3013 | 1946 | 4006 | 205 | 3466 | GSD | 1.25 | 1.19 | 1.14 | 1.53 | 1.02 | 1.14 | 1.53 | | 1.24 | Hg | GM | 10 | 1 | 3 | 22 | 5 | 18 | 40 | 46 | 8 | GSD | 3.67 | 1.39 | 6.31 | 7.42 | 3.61 | 6.29 | 2.72 | | 3.94 | Mn | GM | 41861 | 65836 | 23235 | — | 28418 | 6000 | 39382 | 105 | 27473 | GSD | 1.45 | 1.64 | 1.59 | — | 1.43 | 1.52 | 1.49 | | 1.52 | Ni | GM | 16332 | 19477 | 5150 | 5735 | 13715 | 11216 | 69306 | 156 | 10002 | GSD | 1.12 | 1.06 | 1.06 | 1.05 | 1.12 | 1.07 | 1.37 | | 1.12 | Pb | GM | 6597 | 7559 | 741.8 | 5172 | 14889 | 6993 | 5394 | 270 | 5233 | GSD | 1.25 | 1.15 | 1.16 | 1.3 | 1.17 | 1.23 | 1.58 | | 1.26 | Zn | GM | 6143 | 40183 | 31722 | 21433 | 6076 | 16324 | 11670 | 177 | 15277 | GSD | 1.86 | 1.04 | 1.15 | 1.48 | 1.31 | 1.59 | 1.68 | | 1.42 |
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Area 1: Zhushan Bay; area 2: Meiliang Bay; area 3: Gonghu; area 4: middle part; area 5: south part; area 6: southeast part; area 7: the whole lake.
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