Pongo Abelii Population Model with Changes in Carrying Capacity

Pongo abelii is an endangered orangutan species. The reduction of can be caused by the removal or loss orangutans from population and habitat loss. In general, research on dynamics with changing carrying capacity rarely done it simulated in this study. We adopted Verhulst logistic model to abelii. This study aimed see effect increasing From results study, concluded that for areas other than Tripa Swamp, Siranggas/Batu Ardan, East Batang Toru (Sarulla), addition one effective options urgently needed maintain a large orangutans. For (Sarulla) areas, suppressing number population, which consists poaching as trade, conflict killing, hunting/food, wounding, fire. provide suggestions tackling declining species prohibiting expansion species’