HydroBASINS lev08 watershed · #4080846360
Bassin de Hinku Drangka
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 : Janakpur, Sagarmatha
Sub-basin area
841,4km²
Upstream area
2 007km²
Discharge
85,76m³/s
Mean elev.
3 607m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Dudh Koshi727 km²
- Bassin de Bhote Koshi439 km²
2 dept-equivalent regions (GADM L2)
- 839.7 km²100.0% of basin
- 0.3 km²0.0% of basin
6 intersecting protected areas
Sagarmatha - Buffer Zone
IUCN VINational Park - Buffer Zone
320.23 km² overlap
Makalu-Barun
IUCN IINational Park
98.40 km² overlap
Makalu-Barun - Buffer Zone
IUCN VINational Park - Buffer Zone
15.88 km² overlap
Sagarmatha National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
6.69 km² overlap
Sagarmatha
IUCN IINational Park
3.78 km² overlap
Gauri-Shankar
IUCN VIConservation Area
0.53 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 037 distinct species · 6 514 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Hinku Drangka : 26 espèces reliées par 38 interactions GloBI sur 4 types (connectance 7.2%, filtre Serrano α=0.2). 7 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°
5,6°C
Annual rain
1 274mm
Moisture idx (CMI)
0,15
Runoff
1 363mm/an
PET
861mm
AET
660mm
Mean slope
30,7°
Water table
961cm
Forest
38%
Crops
7%
Urban
0%
Protected
51%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)