| SF | Shrub forest |
| DB | Deciduous broad-leaved forest |
| CB | Coniferous and broad-leaved mixed forest |
| CF | Coniferous forest |
| LMC | Litter moisture content |
| EC | Electrical conductivity |
| C | Carbon |
| N | Nitrogen |
| P | Phosphorus |
| Li | Lignin |
| Ce | Cellulose |
| He | Hemicellulose |
| ANOVA | One-Way Analysis of Variance |
| RDA | Redundancy Analysis |
| PCR | Polymerase Chain Reaction |
| DNA | Deoxyribonucleic Acid |