Detailed Data
Mahakam Lakes and Wetlands
Partner Living Lakes
Wetlands International - Asia Pacific Indonesia Programme
Conservation Foundation for Rare Aquatic Species of Indonesia (RASI)
Partner Lake since
2000
Origin
flood area
Protected area
no protection status
Size
8,100 sq. km (Middle Mahakam Lakes and Wetlands)
Jempang: 150 sq. km
Semayang: 130 sq. km
Melintang: 110 sq. km
further 30 lakes: between 0.1 and 20 sq. km
Maximum depth
3 m
Catchment area
77,700 sq. km [km²]
Mahakam River (Length: 920 km, Indonesia´s longest river)
Salinity
fresh water
Precipitation per year
2,100 - 2,400 mm
Mean air temperature
23 - 33 °C
Completely frozen over
never
Location
East Kalimantan, Indonesia
Vegetation catchment area
tropical forest
Waterfowl max.
125 species
Fish
86 species
Mammals
25 species (Irrawaddy Dolphin)
Big reptiles
12 species
Amphibians
4 species
Biggest problems
sedimentation, eutrophication, over-fishing and fish-farming, monocultures of oilpalm plantation, felling, slash-and-burn
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