HydroBASINS lev08 watershed · #5080021060
Bassin de Sungai Santan
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 3 administrative regions : Bontang, Kutai Kartanegara, Kutai Timur
Sub-basin area
1 278,3km²
Upstream area
1 278,5km²
Discharge
24,87m³/s
Mean elev.
87m
Administrative coverage
3 dept-equivalent regions (GADM L2)
- 670.0 km²52.7% of basin
- 591.1 km²46.5% of basin
- 9.4 km²0.7% of basin
2 intersecting protected areas
Kutai
IUCN IINational Park
185.98 km² overlap
Marine Park
0.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
123 distinct species · 181 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 8 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 Santan : 8 espèces reliées par 5 interactions GloBI sur 3 types (connectance 17.9%, 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°
26,3°C
Annual rain
1 949mm
Moisture idx (CMI)
0,26
Runoff
651mm/an
PET
1 440mm
AET
1 383mm
Mean slope
3,1°
Water table
127cm
Forest
0%
Crops
21%
Urban
0%
Protected
25%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)