HydroBASINS lev08 watershed · #4080719700
Bassin de 岷江
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 4 administrative regions : Chengdu, Deyang, Mianyang, Ngawa Tibetan and Qiang
Sub-basin area
1 296,3km²
Upstream area
14 227,1km²
Discharge
211,03m³/s
Mean elev.
2 755m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 黑水河1952 km²
- Bassin de 岷江317 km²
4 dept-equivalent regions (GADM L2)
- 1281.4 km²98.9% of basin
- 9.6 km²0.7% of basin
- 3.7 km²0.3% of basin
- 0.6 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 632 distinct species · 13 131 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 岷江 : 26 espèces reliées par 25 interactions GloBI sur 5 types (connectance 6.2%, filtre Serrano α=0.2). 3 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°
6,9°C
Annual rain
957mm
Moisture idx (CMI)
0,03
Runoff
589mm/an
PET
922mm
AET
753mm
Mean slope
28,9°
Water table
961cm
Forest
84%
Crops
6%
Urban
0%
Protected
13%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)