Category | Metric | Equation | Range |
---|---|---|---|
Area and edge | Area-MN | \( \frac{\sum \limits_{j=1}^n{x}_{ij}}{n_i} \) | Area-MN > 0 |
ED | \( \frac{\sum {e}_{ik}}{A}(10000) \) | 0 ≤ ED, no limit | |
Shape | PAFRAC | \( \frac{\frac{2}{\left[\sum \limits_{j=1}^n{lnp}_{ij}-{lna}_{ij}\right]-\left[\left(\sum \limits_{j=1}^n{lnp}_{ij}\right)\left(\left(\sum \limits_{j=1}^n{lna}_{ij}\right)\right)\right]}}{\left(\sum \limits_{j=1}^n{lnp}_{ij}^2\right)-{\left(\sum \limits_{j=1}^n{lnp}_{ij}^2\right)}^2} \) | 1 ≦ PAFRAC ≦ 2 |
Aggregation | LSI | \( \frac{0.25\sum {e}_{ik}}{\sqrt{A}} \) | 1 ≤ LSI |
DIVISION | \( \left[1-\sum {\left(\frac{a_{ij}}{A}\right)}^2\right] \) | 0 ≤ DIVISION ≥1 | |
SPLIT | \( \frac{A^2}{\sum \limits_{j=1}^n{a}_{ij}^2} \) | 1 ≦ SPLIT ≦ number of cells in the landscape area squared | |
AI | \( \left(\frac{g_{ii}}{\mathit{\max}\to {g}_{ii}}\right)(100) \) | 0 ≤ AI ≥ 100 | |
NP | ni | NP ≥ 1 | |
ENN | hij | ENN > 0 |