GNF - Data Mahakam Lakes and Wetlands
 

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)

Sizes of the lakes

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]

Greatest in- and out-flow

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