HydroBASINS lev08 watershed · #4080625430
Bassin de ཆུ་དམར་ 楚玛尔河
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 : Gyêgu Tibetan
Sub-basin area
2 024,4km²
Upstream area
21 482,7km²
Discharge
29,25m³/s
Mean elev.
4 554m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 3 basins
- Bassin de 牙扎曲1200 km²
- Bassin de ཆུ་དམར་ 楚玛尔河1134 km²
- Bassin · #4080057380822 km²
1 dept-equivalent regions (GADM L2)
- 2024.2 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
46 distinct species · 164 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 21 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 ཆུ་དམར་ 楚玛尔河 : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 21 interactions GloBI sur 2 types (connectance 10.0%, filtre Serrano α=0.2). 2 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°
-4,3°C
Annual rain
293mm
Moisture idx (CMI)
-0,48
Runoff
73mm/an
PET
571mm
AET
272mm
Mean slope
8,2°
Water table
250cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)