Thirty of the 53 Indonesian orangutans recently confiscated by the government of will soon be released in their new habitat in Central Kalimantan and Sumatra , to increase the present population of these primates, said Director General for Nature Conservation at the Department of Forestry, Arman Malolongan. In the past decade, ’s orangutan population had decreased drastically, from 37,000 to a present 20,000 only.