HydroBASINS lev08 watershed · #5080134470
Bassin de Sungai Rajang
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 : Kapit, Tatau
Sub-basin area
872,1km²
Upstream area
21 666,8km²
Discharge
1 322,48m³/s
Mean elev.
151m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #5080132880266 km²
- Bassin de Sungai Rajang71 km²
2 dept-equivalent regions (GADM L2)
- 863.6 km²99.5% of basin
- 4.6 km²0.5% of basin
1 intersecting protected areas
Pelagus National Park
IUCN IINational Park
19.54 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
586 distinct species · 1 038 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 3 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 Rajang : 2 espèces reliées par 2 interactions GloBI sur 2 types (connectance 66.7%, 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°
26,0°C
Annual rain
3 888mm
Moisture idx (CMI)
0,60
Runoff
2 308mm/an
PET
1 557mm
AET
1 557mm
Mean slope
8,3°
Water table
202cm
Forest
71%
Crops
18%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)