HydroBASINS lev08 watershed · #4080151750
Bassin de Аргунь / 额尔古纳河
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 1 administrative regions : Hulunbuir
Sub-basin area
1 539,7km²
Upstream area
8 326,6km²
Discharge
32,83m³/s
Mean elev.
782m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 库都尔河522 km²
- Bassin de Аргунь / 额尔古纳河3 km²
1 dept-equivalent regions (GADM L2)
- 1544.7 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
75 distinct species · 507 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 Аргунь / 额尔古纳河 : 21 espèces reliées par 37 interactions GloBI sur 3 types (connectance 12.3%, filtre Serrano α=0.2). 4 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°
-2,5°C
Annual rain
448mm
Moisture idx (CMI)
-0,36
Runoff
116mm/an
PET
706mm
AET
392mm
Mean slope
4,2°
Water table
97cm
Forest
30%
Crops
6%
Urban
0%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)