Abstract: Camera trap is more and more widely used for wildlife monitoring in various habitats due to its advantages in accuracy, concealment and noninvasive measurement. It is a new direction to explore the effect of human disturbance on wildlife. We extracted monitoring data of infrared camera in southeast Tibet, with four indicators including type, behavior, quantity and duration of disturbance to define human disturbance intensity. According to species habitat selection under different disturbance intensity, species tolerance to disturbance was quantified into the integrated tolerance index, and the tolerance level was divided. According to Bailey’s confidence intervals, the main species were Macacathibetana (Macaca mulatta vestita), Southern red muntjac (Muntiacus muntjak), Epigaeic birds, Yellow throated Marten (Martes flavigula), Orange-bellied Himalayan Squirrel (Dremom yslokriah), Tibetan pika (Ochtona thibetana), nonvepigaeic birds, Serow (Capricornis sumatraensis), and Leopard cat (Prionailurus bengalensis). They had higher selectivity for low degree of human disturbance, randomly used the environment with medium degree of human disturbance, while avoided that with high degree of human disturbance. The results of integrated tolerance index showed that the tolerance level of Macacathibetana, Southern red muntjac and Epigaeic birds was medium. The tolerance level of Yellow-throated Marten, Orange-bellied Himalayan Squirrel, Tibetan pika, Nonepigaeic birds, and Leopard cat was low. The grade classification method of species tolerance to human disturbance can be used in different geographical areas and different species, providing scientific basis for exploring the relationship between wildlife and human disturbance.

Key words: infrared camera technology, human disturbance, Bailey’s method, integrated tolerance index, tolerance level.