HydroBASINS lev08 watershed · #3080518930
Bassin de Большой Аёв
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 : Bol'sheukovskiy rayon
Sub-basin area
122,1km²
Upstream area
1 829,4km²
Discharge
6,54m³/s
Mean elev.
89m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Большой Аёв572 km²
- Bassin de Малый Аёв557 km²
1 dept-equivalent regions (GADM L2)
- 122.7 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
766 distinct species · 7 437 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Большой Аёв : 30 espèces reliées par 69 interactions GloBI sur 5 types (connectance 11.0%, filtre Serrano α=0.2). 6 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°
0,0°C
Annual rain
451mm
Moisture idx (CMI)
-0,27
Runoff
150mm/an
PET
616mm
AET
387mm
Mean slope
0,3°
Water table
5cm
Forest
43%
Crops
8%
Urban
0%
Protected
59%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)