Table 1 Plant traits under different sites and elevations (see Fig. 1) in the water level fluctuation zone of the Three Gorges Reservoir, China.
Biomass (g/m2) | Plant C (g/m2) | Plant N (g/m2) | Plant C: N ratios | ||
|---|---|---|---|---|---|
Sites (S) | CS | 678.06 ± 160.62 | 230.89 ± 54.93 | 10.24 ± 2.20 | 23.18 ± 3.19 |
FL | 527.04 ± 94.84 | 177.28 ± 30.18 | 11.34 ± 2.39 | 17.58 ± 2.60 | |
ZX | 695.02 ± 77.02 | 252.99 ± 26.94 | 8.80 ± 1.97 | 37.55 ± 6.19 | |
WZ | 364.95 ± 35.31 | 134.17 ± 13.87 | 6.00 ± 1.01 | 24.46 ± 2.43 | |
BD | 362.78 ± 22.18 | 128.88 ± 9.65 | 5.47 ± 0.54 | 25.19 ± 2.70 | |
ZG | 512.58 ± 89.52 | 185.66 ± 30.79 | 6.23 ± 0.69 | 30.81 ± 4.17 | |
Elevations (E) | C | 322.73 ± 33.63 | 117.58 ± 13.52 | 5.59 ± 0.67 | 24.85 ± 4.02 |
H | 648.74 ± 80.43 | 230.07 ± 27.38 | 9.19 ± 1.36 | 27.82 ± 2.03 | |
M | 598.74 ± 61.00 | 207.28 ± 20.13 | 9.25 ± 1.38 | 26.71 ± 2.58 | |
Source of variation | S | 7.33*** | 7.76*** | 4.42** | 8.514*** |
E | 21.66*** | 21.92*** | 6.42** | NS | |
S × E | 6.25*** | 6.61*** | 4.06*** | 8.557*** |