HydroBASINS lev08 watershed · #4080622780
Bassin de 渭河
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 3 administrative regions : Dingxi, Longnan, Tianshui
Sub-basin area
2 013,5km²
Upstream area
9 629,2km²
Discharge
44,9m³/s
Mean elev.
2 017m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 渭河475 km²
- Bassin de 榜沙河46 km²
3 dept-equivalent regions (GADM L2)
- 1800.4 km²89.4% of basin
- 208.5 km²10.4% of basin
- 4.2 km²0.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
737 distinct species · 1 827 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 7 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 渭河 : 4 espèces reliées par 6 interactions GloBI sur 1 type (connectance 16.7%, filtre Serrano α=0.2). 5 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°
7,9°C
Annual rain
595mm
Moisture idx (CMI)
-0,34
Runoff
156mm/an
PET
917mm
AET
509mm
Mean slope
15,2°
Water table
603cm
Forest
7%
Crops
40%
Urban
8%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)