HydroBASINS lev08 watershed · #4080668970
Bassin de 白水河
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 : Longnan, Ngawa Tibetan and Qiang
Sub-basin area
535,3km²
Upstream area
4 481,8km²
Discharge
47,17m³/s
Mean elev.
2 631m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 白水河2603 km²
- Bassin de 白水河1343 km²
2 dept-equivalent regions (GADM L2)
- 528.0 km²98.7% of basin
- 7.1 km²1.3% of basin
1 intersecting protected areas
Jiuzhaigou Valley Scenic and Historic Interest Area
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
1.59 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
828 distinct species · 2 393 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 49 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 白水河 : 42 espèces reliées par 49 interactions GloBI sur 5 types (connectance 4.0%, filtre Serrano α=0.2). 8 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°
6,3°C
Annual rain
691mm
Moisture idx (CMI)
-0,25
Runoff
303mm/an
PET
938mm
AET
586mm
Mean slope
29,5°
Water table
1 054cm
Forest
95%
Crops
4%
Urban
1%
Protected
21%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)