HydroBASINS lev08 watershed · #4080110480
Bassin de 额尔古纳河/Аргунь
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
2 192,3km²
Upstream area
243 145,9km²
Discharge
323,5m³/s
Mean elev.
698m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 莫尔道嘎河2664 km²
- Bassin de Аргунь / 额尔古纳河472 km²
2 dept-equivalent regions (GADM L2)
- 1141.7 km²51.9% of basin
- 1059.0 km²48.1% of basin
1 intersecting protected areas
Sredneargunskij
IUCN IVState Natural Zakaznik
815.81 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
91 distinct species · 117 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 额尔古纳河/Аргунь : 18 espèces reliées par 26 interactions GloBI sur 2 types (connectance 10.3%, filtre Serrano α=0.2). 5 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°
-4,6°C
Annual rain
448mm
Moisture idx (CMI)
-0,34
Runoff
78mm/an
PET
686mm
AET
392mm
Mean slope
8,8°
Water table
221cm
Forest
92%
Crops
2%
Urban
0%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)