The Conservation of Proboscis Monkey in Suwi River, East Kalimantan, Indonesia

Suwi River, which is a part of Kenohan-Suwi Wetland in East Kutai District, Kalimantan habitat endangered animals such as proboscis monkey ( Nasalis larvatus ). Therefore, this study aims to determine the habitat, distribution, threats, and conservation efforts monkeys River. To achieve this, boat survey method was adopted, while plot line samples were used for vegetation analysis. The results showed that composed riverine plant species, prupuk Mallotus sumatranus ; IV=121.84%), bungur Lagerstroemia speciosa IV=37.10%), rengas Gluta renghas IV=34.76%). Furthermore, minimum 12 groups distributed area, however, their population unknown. Illegal hunting by local people has caused decline, addition other conversion, forest fire, invasive species. effort protect made developing Essential Ecosystem Areas Suwi-Mesangat. Other institutions committed protecting area include Federal government, NGO, community, palm oil company