HydroBASINS lev08 watershed · #4080863950
Bassin de अरुण नदी
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 : Koshi, Sagarmatha
Sub-basin area
190,2km²
Upstream area
30 066,9km²
Discharge
608,02m³/s
Mean elev.
914m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Pikhua Khola581 km²
- Bassin de अरुण नदी415 km²
2 dept-equivalent regions (GADM L2)
- 189.9 km²100.0% of basin
- 0.0 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
154 distinct species · 286 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 अरुण नदी : 21 espèces reliées par 59 interactions GloBI sur 5 types (connectance 12.7%, filtre Serrano α=0.2). 10 bulles taxonomiques (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°
21,1°C
Annual rain
1 186mm
Moisture idx (CMI)
-0,14
Runoff
976mm/an
PET
1 391mm
AET
888mm
Mean slope
20,9°
Water table
790cm
Forest
37%
Crops
35%
Urban
4%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)