Population Dynamics of Prosboscis Monkey in The Kuala Barito River Delta
Keywords:Dynamics, populations, prosboscis monkye
Proboscis monkey (Nasalis larvatus van Wurmb, 1787) is entered endangered species, Appendix I CITES and endemic on the island of Borneo. Bakut Island Nature Tourism Park (NTP) is located in the Barito Kuala River Delta in South Kalimantan which is used as a natural habitat for re-release from the evacuation of conflict with humans or the result of community surrender. Monitoring of proboscis monkeys in Bakut Island NTP has been carried out since 2010 with baseline data on 29 individual proboscis monkeys. Data on population development over the past 9 years shows a fluctuating trend. This study aims to determine the dynamics of the proboscis monkey population in Bakut Island NTP of each year. This research was conducted in February to March 2020 in Bakut Island NTP. Bekantan population data collection using census survey methods directly by down the river using a boat in the morning and evening. The results of this study the development of the proboscis population within 10 years between 2010 and 2020 in the Bakut Island NTP experienced a change in the number of individuals from 29 to 90 individuals. Hunting of proboscis monkeys by the community does not occur at Bakut Island NTP because this location is included in a conservation area which is guarded by officers from morning to evening. Bekantan population density of 5.696 ind/ha with the number of individuals in a group between 25 to 39 individuals dominated by young age structure.