HydroBASINS lev08 watershed · #5080153230
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
170,3km²
Upstream area
37 949,7km²
Discharge
2 017,45m³/s
Mean elev.
9m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sungai Bongan Kanan3986 km²
- Bassin de Sungai Mahakam426 km²
1 dept-equivalent regions (GADM L2)
- 169.5 km²100.0% of basin
1 intersecting protected areas
Mahakam Wilayah Hulu
IUCN IVMarine Park
60.54 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
93 distinct species · 388 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 : 15 espèces reliées par 13 interactions GloBI sur 3 types (connectance 8.5%, filtre Serrano α=0.2). 3 bulles taxonomiques (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°
26,6°C
Annual rain
2 156mm
Moisture idx (CMI)
0,33
Runoff
817mm/an
PET
1 441mm
AET
1 403mm
Mean slope
0,3°
Water table
13cm
Forest
28%
Crops
19%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)