HydroBASINS lev08 watershed · #4080629690
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 2 administrative regions : Xi'an, Xianyang
Sub-basin area
992,8km²
Upstream area
98 186,9km²
Discharge
244,96m³/s
Mean elev.
455m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 泾河331 km²
- Bassin de 渭河122 km²
2 dept-equivalent regions (GADM L2)
- 830.4 km²83.7% of basin
- 162.2 km²16.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
410 distinct species · 2 138 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 : 29 espèces reliées par 69 interactions GloBI sur 4 types (connectance 9.3%, 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°
14,9°C
Annual rain
540mm
Moisture idx (CMI)
-0,55
Runoff
114mm/an
PET
1 214mm
AET
460mm
Mean slope
2,5°
Water table
112cm
Forest
0%
Crops
69%
Urban
30%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)