HydroBASINS lev08 watershed · #4080552530
Bassin · #4080552530
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 : Hainan Tibetan
Sub-basin area
124,9km²
Upstream area
17 086,7km²
Discharge
18,14m³/s
Mean elev.
3 194m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #4080551450714 km²
- Bassin de 黑马河531 km²
1 dept-equivalent regions (GADM L2)
- 125.0 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
125 distinct species · 877 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 · #4080552530 : 14 espèces reliées par 50 interactions GloBI sur 3 types (connectance 23.8%, 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°
0,8°C
Annual rain
314mm
Moisture idx (CMI)
-0,59
Runoff
25mm/an
PET
761mm
AET
282mm
Mean slope
0,0°
Water table
1cm
Forest
0%
Crops
48%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)