HydroBASINS lev08 watershed · #1080877330
Bassin de Shemanker
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 : Langtang South, Shendam
Sub-basin area
564,4km²
Upstream area
3 437,1km²
Discharge
35,83m³/s
Mean elev.
172m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Shemanker906 km²
- Bassin de Shemanker720 km²
2 dept-equivalent regions (GADM L2)
- 543.4 km²96.7% of basin
- 18.7 km²3.3% of basin
1 intersecting protected areas
Central Shendam
IUCN Not ReportedForest Reserve
71.49 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
128 distinct species · 939 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 Shemanker : 16 espèces reliées par 15 interactions GloBI sur 3 types (connectance 8.8%, filtre Serrano α=0.2). 3 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°
27,6°C
Annual rain
1 162mm
Moisture idx (CMI)
-0,38
Runoff
272mm/an
PET
1 878mm
AET
925mm
Mean slope
0,8°
Water table
81cm
Forest
0%
Crops
37%
Urban
2%
Protected
13%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)