HydroBASINS lev08 watershed · #4080833720
Bassin de Trisuli
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 : Bagmati, Gandaki, Narayani
Sub-basin area
285km²
Upstream area
11 929,8km²
Discharge
560,87m³/s
Mean elev.
874m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Budhi Gandaki5010 km²
- Bassin de Langtang Khola3549 km²
3 dept-equivalent regions (GADM L2)
- 114.9 km²40.4% of basin
- 107.8 km²37.9% of basin
- 61.9 km²21.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
344 distinct species · 2 608 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Trisuli : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 43 interactions GloBI sur 4 types (connectance 7.7%, filtre Serrano α=0.2). 6 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°
21,0°C
Annual rain
2 081mm
Moisture idx (CMI)
0,32
Runoff
1 812mm/an
PET
1 408mm
AET
1 028mm
Mean slope
25,1°
Water table
879cm
Forest
17%
Crops
28%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)