HydroBASINS lev08 watershed · #4080780690
Bassin de 尼洋曲
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 1 administrative regions : Nyingtri
Sub-basin area
1 770,6km²
Upstream area
17 150,4km²
Discharge
420,64m³/s
Mean elev.
4 203m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de ཉང་ཆུ， 尼洋曲405 km²
- Bassin de ཉང་ཆུ， 尼洋曲270 km²
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
927 distinct species · 3 489 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 尼洋曲 : 22 espèces reliées par 45 interactions GloBI sur 4 types (connectance 9.1%, 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°
3,2°C
Annual rain
484mm
Moisture idx (CMI)
-0,43
Runoff
896mm/an
PET
852mm
AET
420mm
Mean slope
23,3°
Water table
894cm
Forest
45%
Crops
1%
Urban
0%
Protected
11%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)