HydroBASINS lev08 watershed · #5080124280
Bassin de Sungai Pansiangan
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 : Nabawan
Sub-basin area
463,3km²
Upstream area
2 970,5km²
Discharge
96,67m³/s
Mean elev.
607m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #50801237301308 km²
- Bassin · #50801237401199 km²
1 intersecting protected areas
Pensiangan
IUCN IbForest Reserve
187.56 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
138 distinct species · 203 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 2 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 Pansiangan : 1 espèces reliées par 2 interactions GloBI sur 1 type (connectance 200.0%, 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°
24,0°C
Annual rain
2 504mm
Moisture idx (CMI)
0,45
Runoff
1 153mm/an
PET
1 377mm
AET
1 377mm
Mean slope
14,5°
Water table
418cm
Forest
85%
Crops
17%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)