Table 1 Variables used to estimate the site occupancy rate and detection probability of Tibetan Snowcock in the occupancy model
Abbreviation | Name | Description |
|---|---|---|
Site covariates | ||
ELE | Elevation | Numeric (range 3925‒5084 m) |
ASP | Aspect | Categorical (E, N, NE, NW, S, SE, SW, W) |
SLO | Slope | Numeric (range 1.7‒48.3°) |
DTRI | Distance to the nearest river | Numeric (range 30‒2749 m) |
DTRO | Distance to the nearest road | Numeric (range 29‒9023 m) |
DTSE | Distance to the nearest settlement | Numeric (range 1583‒15,715 m) |
RID | River density | Numeric (range 0.084‒0.482) |
ROD | Road density | Numeric (range 0.030‒0.207) |
SED | Settlement density | Numeric (range 0.000‒0.143) |
EVI | Enhanced vegetation index | Numeric (range 0.028‒0.301) |
Detection covariates | ||
DATE | Date | Numeric (range − 5 to 135) The average days of each segment away from the second segment (1‒5 July) |
LT | Livestock | Logical (TRUE: livestock photographed in a segment; FALSE: livestock not photographed in a segment) |