HydroBASINS lev08 watershed · #5080168170
Bassin de Sungai Kahayan
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 4 administrative regions : Gunung Mas, Kapuas, Palangka Raya, Pulang Pisau
Sub-basin area
1 391,6km²
Upstream area
6 983,4km²
Discharge
403,74m³/s
Mean elev.
39m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sungai Kahayan1004 km²
- Bassin de Sungai Kahayan289 km²
4 dept-equivalent regions (GADM L2)
- 1119.3 km²80.8% of basin
- 222.7 km²16.1% of basin
- 24.7 km²1.8% of basin
- 18.6 km²1.3% of basin
1 intersecting protected areas
Bukit Rawi (Eks PLG II)
IUCN Not ReportedUndesigned
98.12 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
191 distinct species · 520 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 Kahayan : 24 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 15 interactions GloBI sur 3 types (connectance 5.4%, 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
2 795mm
Moisture idx (CMI)
0,44
Runoff
1 352mm/an
PET
1 560mm
AET
1 545mm
Mean slope
0,7°
Water table
28cm
Forest
63%
Crops
28%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)