HydroBASINS lev08 watershed · #5080153160
Bassin de Sungai Mahakam
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 1 administrative regions : Kutai Kartanegara
Sub-basin area
1 125,5km²
Upstream area
72 352km²
Discharge
2 924,35m³/s
Mean elev.
38m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Kedang Rantau3632 km²
- Bassin de Sungai Mahakam29 km²
1 dept-equivalent regions (GADM L2)
- 1120.4 km²100.0% of basin
2 intersecting protected areas
Mahakam Wilayah Hulu
IUCN IVMarine Park
11.76 km² overlap
Muara Kaman Sedulang
IUCN IVNature Reserve
0.18 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
192 distinct species · 313 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 6 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Sungai Mahakam : 6 espèces reliées par 3 interactions GloBI sur 3 types (connectance 20.0%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
26,5°C
Annual rain
1 982mm
Moisture idx (CMI)
0,28
Runoff
704mm/an
PET
1 436mm
AET
1 390mm
Mean slope
2,3°
Water table
100cm
Forest
1%
Crops
21%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)