Table 3.
Pearson r correlations comparing relative growth rate (RGR; g g−1 d−1), leaf nitrogen content (leaf N; % dry mass of leaf) and Ellenberg ‘Nitrogen Figures’ with SLA, LDMC, LT and LA
| Source of data | SLA | LDMC | LT | LA |
|---|---|---|---|---|
| Grime and Hunt (1975; RGRmax for flora of Central England) | 0·390*** (105) | –0·430*** (105) | –0·046 NS (102) | 0·168 P <0·1 (104) |
| Vile et al. (2006; RGRmax for successional species of abandoned Mediterranean farmland) | 0·467* (23) | –0·707*** (23) | –0·088 NS (24) | –0·072 NS (23) |
| Cornelissen et al. (1996; RGRmean for woody species from W. Europe) | 0·511*** (83) | –0·519*** (72) | –0·342** (76) | 0·279** (92) |
| Leaf N: NW and Mediterranean Europe (see Hodgson et al., 2005a) | 0·642*** (287) | –0·568*** (273) | –0·364*** (280) | 0·375*** (287) |
| Ellenberg N: C. Europe (see Ellenberg et al., 1992) | 0·286*** (1105) | –0·264*** (1105) | –0·134*** (1105) | 0·444*** (1089) |
The number of species in each analysis is given in parentheses. *** P < 0·001; ** P < 0·01; * P < 0·05; NS, not significant.