Table 1.
Human pressure difference of NRs in Yunnan Province.
| Internal/External | Characteristic values of HPI | PDPI | GDPI | HLUPI | CHPI |
|---|---|---|---|---|---|
| internal | Minimum | 0.00 | 0.01 | 0.00 | 0.00 |
| Mean | 0.71 | 0.80 | 0.80 | 0.77 | |
| Maximum | 3.67 | 10.83 | 3.77 | 5.13 | |
| Coefficient of Variation | 1.27 | 2.24 | 1.00 | 1.33 | |
| external | Minimum | 0.01 | 0.01 | 0.03 | 0.01 |
| Mean | 1.29 | 1.20 | 1.20 | 1.23 | |
| Maximum | 18.38 | 17.39 | 3.48 | 9.86 | |
| Coefficient of Variation | 1.91 | 2.23 | 0.56 | 1.38 | |
| Significance of mean value difference | P-value | 0.001** | 0.036* | 0.000** | 0.002** |
Note: * indicates a significant difference at the 5% level; ** indicates a significant difference at the 1% level. PDPI (population density pressure index), GDPI (GDP density pressure index), HLUPI (human land use pressure index), CHPI (comprehensive human pressure index), the same below.