HydroBASINS lev08 watershed · #4080105090
Bassin de Амгунь
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 : im. Poliny Osipenko rayon
Sub-basin area
519,7km²
Upstream area
36 911,3km²
Discharge
351,16m³/s
Mean elev.
173m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Амгунь55 km²
- Bassin de Керби39 km²
1 dept-equivalent regions (GADM L2)
- im. Poliny Osipenko rayonKhabarovsk · Russia521.8 km²100.0% of basin
1 intersecting protected areas
Reka Nimelen
IUCN IIINatural Monument
0.54 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
32 distinct species · 33 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 9 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 Амгунь : 7 espèces reliées par 7 interactions GloBI sur 1 type (connectance 19.4%, filtre Serrano α=0.2). 2 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°
-2,6°C
Annual rain
513mm
Moisture idx (CMI)
-0,22
Runoff
231mm/an
PET
657mm
AET
436mm
Mean slope
4,9°
Water table
103cm
Forest
85%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)