HydroBASINS lev08 watershed · #5080153590
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 2 administrative regions : Kutai Barat, Kutai Kartanegara
Sub-basin area
425,8km²
Upstream area
33 792,7km²
Discharge
1 901,35m³/s
Mean elev.
15m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sungai Mahakam1364 km²
- Bassin de Sungai Kedang Pahu220 km²
2 dept-equivalent regions (GADM L2)
- 323.9 km²76.4% of basin
- 100.0 km²23.6% of basin
1 intersecting protected areas
Mahakam Wilayah Hulu
IUCN IVMarine Park
18.32 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
32 distinct species · 46 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 : 5 espèces reliées par 3 interactions GloBI sur 2 types (connectance 20.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
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
2 439mm
Moisture idx (CMI)
0,40
Runoff
968mm/an
PET
1 450mm
AET
1 438mm
Mean slope
0,4°
Water table
12cm
Forest
19%
Crops
35%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)