HydroBASINS lev08 watershed · #5080129530
Bassin de Sungai Simpang Kiri
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 : Aceh Selatan, Aceh Tenggara, Dairi, Subulussalam
Sub-basin area
778,2km²
Upstream area
778,5km²
Discharge
39,84m³/s
Mean elev.
649m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 705.3 km²91.0% of basin
- 46.2 km²6.0% of basin
- 23.0 km²3.0% of basin
- 0.2 km²0.0% of basin
3 intersecting protected areas
Tropical Rainforest Heritage of Sumatra
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
517.89 km² overlap
Gunung Leuser National Park
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
426.53 km² overlap
Gunung Leuser
IUCN IINational Park
426.52 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
241 distinct species · 494 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 4 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 Simpang Kiri : 4 espèces reliées par 3 interactions GloBI sur 1 type (connectance 50.0%, 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°
23,4°C
Annual rain
2 724mm
Moisture idx (CMI)
0,41
Runoff
1 576mm/an
PET
1 602mm
AET
1 578mm
Mean slope
15,7°
Water table
529cm
Forest
94%
Crops
25%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)