关键词: 短尾猴, 种群增长, 雄性换群

Abstract: A field troop of Tibetan monkeys(Macaca thibetana)at M ts．Huangshan (E 118^。
10’，N 30^。29’),Anhui province,was investigated from 1986 to 1992.Analysis population dynamics shows the individual numbers of this troop was10.3% of average annual increased (see table 1)．Annual average natality was 66．9% (see table 2)．The natality was relatively stable in the seven years．Disease seems to be a main cause of death．The change of population size in this troop were also affected by male monkeys immigration or emigration．

Key words: Tibetan monkeys, Population growth, Male migration