HydroBASINS lev08 watershed · #4080614930
Bassin de རྨ་ཆུ། 玛曲
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 2 administrative regions : Golog Tibetan, Haixi Mongol and Tibetan
Sub-basin area
1 514,7km²
Upstream area
19 991,8km²
Discharge
45,21m³/s
Mean elev.
4 438m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de རྨ་ཆུ། 玛曲974 km²
- Bassin de རྨ་ཆུ། 玛曲399 km²
2 dept-equivalent regions (GADM L2)
- 1511.6 km²99.8% of basin
- 3.1 km²0.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
13 distinct species · 13 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 5 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 རྨ་ཆུ། 玛曲 : 4 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 4 interactions GloBI sur 2 types (connectance 40.0%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
-4,0°C
Annual rain
337mm
Moisture idx (CMI)
-0,40
Runoff
10mm/an
PET
569mm
AET
306mm
Mean slope
3,8°
Water table
115cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)