HydroBASINS lev08 watershed · #4080561620
Bassin de 北川河
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 : Haidong, Xining
Sub-basin area
597,8km²
Upstream area
3 369,6km²
Discharge
12,06m³/s
Mean elev.
2 632m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 北川河555 km²
- Bassin de 北川河220 km²
2 dept-equivalent regions (GADM L2)
- 440.9 km²73.7% of basin
- 157.0 km²26.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
605 distinct species · 2 087 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 北川河 : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 63 interactions GloBI sur 3 types (connectance 10.0%, filtre Serrano α=0.2). 9 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°
4,3°C
Annual rain
428mm
Moisture idx (CMI)
-0,51
Runoff
83mm/an
PET
884mm
AET
372mm
Mean slope
10,6°
Water table
401cm
Forest
11%
Crops
53%
Urban
20%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)