Research Article
Distribution and Ecologica Risk of Sediment Heavy Metals in the Water-Level-Fluctuation Zone of the Shawan River Section of Yelang Lake
Table 3
Sediment grain-size composition at different sampling sites (corresponding to different inundation times).
| Sampling site | Proportion (%) | Gravel, >1 mm | Sand, 0.22–1 mm | Fine sand, 0.125–0.22 mm | Very fine sand grain, 0.063–0.125 mm | Silt, <0.063 mm |
| G | 33.21 | 41.26 | 11.00 | 10.45 | 4.09 | F | 35.06 | 38.95 | 13.13 | 9.64 | 3.22 | E | 39.30 | 39.98 | 12.20 | 8.65 | 4.12 | D | 35.16 | 41.72 | 13.90 | 5.24 | 3.97 | C | 49.70 | 31.31 | 10.74 | 4.62 | 3.63 | B | 49.14 | 34.44 | 8.22 | 4.77 | 3.42 | A | 45.54 | 31.56 | 11.36 | 8.06 | 3.46 |
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