A Preliminary Analysis on Population Viability for Black Bear in Wolong
卧龙自然保护区黑熊种群生存力初步分析

According to the relative parameters,the population dynamics of the black bears in Wolong Nature Reserve were simulated by a simulation modal Vortex 8 21,and the factors affecting the population were also analyzed.The results showed as follows:without inbreeding depression and catastrophes,the population would gradually increase,otherwise it would decrease.Some recommendations on conversation ac tion are put forward based on the ananlyses.