Table 2.
Wet meadow. Effect of treatment (mowing), year, season (June, October) and site on biomass and TNC storage properties of meadow plants (PERMANOVA). Block is a random factor; year, season, treatment and species are fixed factors. F-values are shown for significant (or marginally significant) results; †0.05 < P < 0.1; *0.01 < P < 0.05; **P < 0.01; n.s., non-significant P ≥ 0.1; df, numerator/denominator degree of freedom; all dependent variables were log-transformed. Significant F-values (i.e. P < 0.05) are in bold.
| df | Aboveground biomass | Belowground biomass | Total biomass | TNC concentration | TNC pool | |
|---|---|---|---|---|---|---|
| Year (Ye) | 1/95 | 12.91** | n.s. | n.s. | 3.39† | n.s. |
| Season (Se) | 1/95 | 65.71** | n.s. | 19.01** | 7.43** | n.s. |
| Treatment (Tr) | 1/95 | n.s. | n.s. | n.s. | 3.57† | n.s. |
| Block | 4/95 | 2.84* | n.s. | n.s. | n.s. | n.s. |
| Species (Sp) | 2/95 | 8.43** | 27.48** | 18.20** | 23.56** | 14.24** |
| Ye × Se | 1/95 | 9.72** | n.s. | n.s. | 3.44† | n.s. |
| Ye × Tr | 1/95 | n.s. | n.s. | n.s. | n.s. | n.s. |
| Ye × Sp | 2/95 | n.s. | n.s. | n.s. | n.s. | n.s. |
| Se × Tr | 1/95 | n.s. | 3.22† | n.s. | n.s. | n.s. |
| Se × Sp | 2/95 | 3.32* | n.s. | n.s. | 12.95** | 9.64** |
| Tr × Sp | 2/95 | n.s. | n.s. | n.s. | n.s. | n.s. |
| Ye × Se × Tr | 1/95 | n.s. | n.s. | n.s. | 6.69** | n.s. |
| Ye × Se × Sp | 2/95 | n.s. | 4.76* | 4.02* | n.s. | 3.66* |
| Ye × Tr × Sp | 2/95 | n.s. | n.s. | n.s. | n.s. | 3.40* |
| Se × Tr × Sp | 2/95 | n.s. | 4.12* | 3.49* | 2.97† | n.s. |
| Ye × Se × Tr × Sp | 2/95 | n.s. | n.s. | n.s. | n.s. | n.s. |