Table 4. Correlation relationships among plant community characteristics and biomass indices.
Pearson’s correlation coefficients among plant community characteristics and biomass indices of alpine grasslands in Tibet, and their significance levels.
| Indices | TC | VH | D | H | E | AB | BB |
|---|---|---|---|---|---|---|---|
| VH | −0.07 | ||||||
| D | −0.49** | 0.29* | |||||
| H | −0.40** | 0.23 | 0.97** | ||||
| E | −0.64** | 0.32* | 0.92** | 0.84** | |||
| AB | 0.72** | 0.18 | −0.21 | −0.17 | −0.34* | ||
| BB | 0.47** | −0.05 | −0.27* | −0.24 | −0.29* | 0.21 | |
| TB | 0.50** | −0.04 | −0.28* | −0.24 | −0.30* | 0.26 | 0.99** |
Notes.
*
P < 0.05.
**
P < 0.01.
- TC
- Total coverage
- VH
- Vegetation height
- D
- Simpson index
- H
- Shannon index
- E
- Pielou index
- AB
- Aboveground biomass
- BB
- Belowground biomass
- TB
- Total biomass