HydroBASINS lev08 watershed · #3080514360
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 2 administrative regions : Bol'sheukovskiy rayon, Znamenskiy rayon
Sub-basin area
1 072km²
Upstream area
4 851km²
Discharge
16,87m³/s
Mean elev.
79m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Большой Ук1950 km²
- Bassin de Большой Аёв122 km²
2 dept-equivalent regions (GADM L2)
- 745.3 km²69.2% of basin
- 332.1 km²30.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
528 distinct species · 3 015 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 : 23 espèces reliées par 29 interactions GloBI sur 4 types (connectance 8.3%, filtre Serrano α=0.2). 4 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°
-0,1°C
Annual rain
455mm
Moisture idx (CMI)
-0,26
Runoff
133mm/an
PET
619mm
AET
390mm
Mean slope
0,3°
Water table
6cm
Forest
61%
Crops
5%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)