HydroBASINS lev08 watershed · #3080110090
Bassin de Иргичэн
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 : Ust'-Yanskiy rayon
Sub-basin area
563,2km²
Upstream area
3 361,5km²
Discharge
23,68m³/s
Mean elev.
491m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Иргичэн2042 km²
- Bassin de Иргичэн757 km²
1 dept-equivalent regions (GADM L2)
- 567.4 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
366 distinct species · 428 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Иргичэн : 19 espèces reliées par 55 interactions GloBI sur 2 types (connectance 12.6%, filtre Serrano α=0.2). 11 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°
-16,7°C
Annual rain
225mm
Moisture idx (CMI)
-0,34
Runoff
230mm/an
PET
342mm
AET
214mm
Mean slope
12,9°
Water table
200cm
Forest
8%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)