HydroBASINS lev08 watershed · #4080138040
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 3 administrative regions across 2 countries : Hulunbuir, Krasnokamenskiy rayon, Priargunskiy rayon
Sub-basin area
1 553,3km²
Upstream area
191 499,8km²
Discharge
178,02m³/s
Mean elev.
596m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Аргунь / 额尔古纳河1028 km²
- Bassin de Аргунь / 额尔古纳河307 km²
3 dept-equivalent regions (GADM L2)
- 939.0 km²60.2% of basin
- 569.3 km²36.5% of basin
- 50.3 km²3.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
133 distinct species · 185 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 76 interactions GloBI sur 2 types (connectance 9.7%, filtre Serrano α=0.2). 14 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°
-1,8°C
Annual rain
360mm
Moisture idx (CMI)
-0,51
Runoff
64mm/an
PET
740mm
AET
321mm
Mean slope
2,6°
Water table
54cm
Forest
3%
Crops
7%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)