Abstract:Habitat assessment is of great importance for effective wildlife conservation and management. Presence-only species distribution models (SDMs), such as the Maximum Entropy (MaxEnt) model, are widely used in ecology and conservation to estimate species-environment relationships and spatial distributions. The Chinese goral (Naemorhedus griseus) is an endangered species and its habitats are fragmented largely caused by human activities. To understand the habitat status of the Chinese goral in the Qinling Mountains of Shaanxi Province, this study evaluated the habitat suitability for the Chinese goral using the MaxEnt with 210 occurrence records and 9 environmental variables. The species occurrences were collected from field investigations carried out in 2011-2013. The environmental variables used for constructing the SDM were elevation, slope, aspect, normalized difference vegetation index, distance to nearest residential area, distance to nearest roads, mean diurnal temperature range, annual precipitation, and precipitation of driest month. The results showed that the areas of suitable habitats and marginal habitats for the Chinese goral were about 9800 km2 and 6940 km2 in the Qinling Mountains, which accounted for 17% and 12% of the total area, respectively. The suitable habitats for the Chinese gorals were mainly located in the central and western parts of the Qinling Mountains, while the marginal habitats were in the surrounding areas of the suitable habitats. The mean diurnal temperature range, elevation and annual precipitation were the three environmental variables with the highest contribution rates, which were 41.2%, 38.5% and 14.1% respectively, while the cumulative contribution rate is 93.8%, indicating that they were the main environmental variables affecting the suitability of the goral's habitats in the Qinling Mountains. The Jackknife test indicated that elevation and mean diurnal temperature range were the dominant environmental factors affecting habitat suitability, whereas the human disturbances had less effects on it. The Chinese gorals preferred to choose living at high elevation regions (1800-3000 m) in that the annual precipitation is about 750-850 mm and the average diurnal temperature is about 8℃. The results provide baseline information for future biodiversity conservation planning and landscape management in the Qinling Mountains. The suitable habitat area of gorals in the southwest of Qinling Mountains is seriously fragmented and strongly disturbed by human activities. Therefore, it is necessary to strengthen the systematic monitoring of wildlife and human activities, and establish wildlife corridors in this area to improve the habitat connectivity for Chinese gorals and other species at-risk, so as to promote the long-term survival of wildlife in the Qinling Mountains.