HydroBASINS lev08 watershed · #2080183110
Bassin de Ирва
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 : Knyazhpogostskiy rayon, Udorskiy rayon
Sub-basin area
492,3km²
Upstream area
492,3km²
Discharge
6m³/s
Mean elev.
143m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 365.5 km²73.8% of basin
- 129.8 km²26.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 distinct species · 6 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
-0,5°C
Annual rain
588mm
Moisture idx (CMI)
0,13
Runoff
378mm/an
PET
514mm
AET
398mm
Mean slope
4,0°
Water table
65cm
Forest
93%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)