Meratus mountains is an isolated area in Kalimantan. The mountains formed a 140 km long, where the southern most peak (1300 m) include in Martapura-Pleihari conservation area. Most of the forest up to 900 m already cleared.
Davison (1997) recorded 80 species during 10 days survey on October 1996 at 240-1600 m asl. This survey revorded some mountain bird species such as Mountain Barbet Megalaima monticola, Large Hawk-cuckoo Cuculus sparverioides, Temminck's Babbler Pellorneum pyrrogenys, White-crowned Forktail Enicurus leschenaulti, Everett's White-eye Zosterops everetti.
Non-bird biodiversity: Nephentes borneensis (endemic flora of Kalimantan)
Pressure/threats to key biodiversity
Illegal logging and other disturbance (Anon, 1995)
200.000 ha of this area is proposed as Meratus Hulu Barabai Nature Reserve, Meratus Hulu Tanjung Nature Reserve (42250 ha) and Muara Uya Nature Reserve (25000 ha). Beside that, the area also covers Gunung Kentana (Gunung Kentawan) Nature Reserve (245 ha) based on SK Menteri Pertanian No. 109/Kpts/Um/2/1979, 10 February 1979 (Anon 1995, Anon 1998).
Habitat and land use
Lower mountain forest (50%), upper mountain forest (20%) and secondary habitat (30%).This area is used for watershed management.
BirdLife International (2023) Important Bird Areas factsheet: Meratus Hulu. Downloaded from
http://www.birdlife.org on 29/03/2023.