Table 2 Summary for Fe and P contents (g kg−1), proportions (%, for easily reducible and reducible species), and concentration ratios of Fe to P (Fe/P) in sediments of Lake Taihu.
From: In situ, high-resolution evidence for iron-coupled mobilization of phosphorus in sediments
NO. | Fe | P | Fe/P | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total | Easily reducible | Reducible | Total | Easily reducible | Reducible | ||||||||
Content | Content | Proportion | Content | Proportion | Content | Content | Proportion | Content | Proportion | Total | Easily reducible | Reducible | |
1 | 34.92 | 5.60 | 16.05 | 8.02 | 22.97 | 0.50 | 0.27 | 53.33 | 0.08 | 16.08 | 69.8 | 21.0 | 99.8 |
2 | 28.96 | 5.62 | 19.39 | 7.12 | 24.59 | 0.46 | 0.25 | 54.35 | 0.06 | 12.68 | 63.0 | 22.5 | 122.1 |
3 | 31.10 | 7.28 | 23.40 | 9.19 | 29.55 | 0.95 | 0.62 | 65.22 | 0.08 | 7.89 | 32.7 | 11.7 | 122.5 |
4 | 28.77 | 3.62 | 12.59 | 6.88 | 23.91 | 0.36 | 0.16 | 45.24 | 0.08 | 21.48 | 79.9 | 22.2 | 89.0 |
5 | 28.34 | 6.58 | 23.21 | 7.53 | 26.55 | 0.54 | 0.33 | 61.73 | 0.06 | 10.80 | 52.5 | 19.7 | 129.0 |
6 | 32.28 | 6.90 | 21.38 | 7.10 | 22.00 | 0.55 | 0.27 | 49.61 | 0.11 | 19.70 | 58.7 | 25.3 | 65.5 |
7 | 33.92 | 5.29 | 15.60 | 6.54 | 19.29 | 0.83 | 0.38 | 45.18 | 0.08 | 9.04 | 40.9 | 14.1 | 87.3 |
8 | 37.19 | 7.81 | 21.00 | 3.85 | 10.35 | 0.49 | 0.28 | 57.82 | 0.05 | 10.91 | 75.9 | 27.6 | 72.0 |
9 | 32.15 | 4.76 | 14.81 | 7.60 | 23.63 | 0.46 | 0.18 | 38.04 | 0.10 | 21.74 | 69.9 | 27.2 | 76.0 |
10 | 29.65 | 5.42 | 18.27 | 9.37 | 31.60 | 0.57 | 0.22 | 39.07 | 0.12 | 21.05 | 52.0 | 24.3 | 78.1 |
11 | 25.51 | 4.78 | 18.75 | 7.45 | 29.19 | 0.47 | 0.20 | 42.80 | 0.06 | 13.23 | 54.3 | 23.8 | 119.8 |
12 | 25.57 | 4.85 | 18.97 | 7.20 | 28.16 | 0.45 | 0.12 | 25.93 | 0.13 | 27.78 | 56.8 | 41.6 | 57.6 |
13 | 26.42 | 5.89 | 22.28 | 6.83 | 25.87 | 0.43 | 0.18 | 42.55 | 0.09 | 20.50 | 61.4 | 32.2 | 77.5 |
14 | 45.44 | 10.07 | 22.17 | 4.71 | 10.37 | 0.49 | 0.23 | 47.62 | 0.05 | 10.39 | 92.7 | 43.2 | 92.5 |
15 | 25.14 | 3.61 | 14.36 | 5.33 | 21.21 | 0.48 | 0.18 | 37.58 | 0.07 | 14.59 | 52.4 | 20.0 | 76.2 |
16 | 25.44 | 4.30 | 16.91 | 3.71 | 14.58 | 0.57 | 0.20 | 35.09 | 0.06 | 10.23 | 44.6 | 21.5 | 63.6 |
Ave. | 30.68 | 5.77 | 18.70 | 6.78 | 22.74 | 0.54 | 0.25 | 46.32 | 0.08 | 15.51 | 59.9 | 24.9 | 89.3 |
Min. | 25.14 | 3.61 | 14.36 | 3.71 | 10.35 | 0.36 | 0.12 | 25.93 | 0.05 | 7.89 | 32.7 | 11.7 | 63.6 |
Max. | 45.44 | 10.07 | 23.4 | 9.37 | 31.6 | 0.95 | 0.62 | 65.22 | 0.12 | 27.78 | 92.7 | 43.2 | 129.0 |
