HydroBASINS lev08 watershed · #5080140000
Bassin de Batang Gadis
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 : Mandailing Natal, Tapanuli Selatan
Sub-basin area
802,1km²
Upstream area
3 425,2km²
Discharge
142,98m³/s
Mean elev.
411m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Batang Gadis1141 km²
- Bassin de Batang Angkola1017 km²
2 dept-equivalent regions (GADM L2)
- 457.1 km²57.2% of basin
- 341.5 km²42.8% of basin
1 intersecting protected areas
Batang Gadis
IUCN IINational Park
34.34 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
27 distinct species · 30 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 14 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 Batang Gadis : 13 espèces dont 6 patrimoniales (LR IUCN CR/EN/VU) reliées par 14 interactions GloBI sur 1 type (connectance 15.4%, 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°
24,5°C
Annual rain
3 135mm
Moisture idx (CMI)
0,46
Runoff
1 582mm/an
PET
1 681mm
AET
1 676mm
Mean slope
12,4°
Water table
392cm
Forest
98%
Crops
13%
Urban
0%
Protected
78%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)