HydroBASINS lev08 watershed · #5080016790
Bassin de Sungai Kualan
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 5 administrative regions : Kayong Utara, Ketapang, Kubu Raya, Sanggau, Sekadau
Sub-basin area
2 429,2km²
Upstream area
2 429,3km²
Discharge
168,21m³/s
Mean elev.
61m
Administrative coverage
5 dept-equivalent regions (GADM L2)
- 1801.0 km²74.5% of basin
- 331.8 km²13.7% of basin
- 241.0 km²10.0% of basin
- 30.5 km²1.3% of basin
- 14.1 km²0.6% of basin
1 intersecting protected areas
Kubu Raya dan Kayong Utara
IUCN VIMarine Park
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
50 distinct species · 95 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 Kualan : 6 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 3 interactions GloBI sur 1 type (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°
26,9°C
Annual rain
3 070mm
Moisture idx (CMI)
0,47
Runoff
2 051mm/an
PET
1 623mm
AET
1 616mm
Mean slope
3,0°
Water table
88cm
Forest
56%
Crops
26%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)