HydroBASINS lev08 watershed · #4080119570
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 2 administrative regions across 2 countries : Hulunbuir, Nerchinsko-Zavodskiy rayon
Sub-basin area
162,8km²
Upstream area
237 391,8km²
Discharge
308,36m³/s
Mean elev.
656m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Аргунь / 额尔古纳河1135 km²
- Bassin de Серебрянка291 km²
2 dept-equivalent regions (GADM L2)
- 138.6 km²84.8% of basin
- 24.8 km²15.2% of basin
1 intersecting protected areas
Sredneargunskij
IUCN IVState Natural Zakaznik
124.20 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
64 distinct species · 83 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 19 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 : 18 espèces reliées par 24 interactions GloBI sur 2 types (connectance 14.0%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
-4,0°C
Annual rain
441mm
Moisture idx (CMI)
-0,37
Runoff
94mm/an
PET
698mm
AET
385mm
Mean slope
6,3°
Water table
152cm
Forest
48%
Crops
19%
Urban
0%
Protected
31%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)