HydroBASINS lev08 watershed · #4080088340
Bassin de Малый Ольдой
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 : Skovorodinskiy rayon
Sub-basin area
345,7km²
Upstream area
1 647,2km²
Discharge
5,68m³/s
Mean elev.
500m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 1-я Крестовка669 km²
- Bassin · #4080088540189 km²
1 dept-equivalent regions (GADM L2)
- 347.2 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
99 distinct species · 99 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 7 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 Малый Ольдой : 5 espèces reliées par 6 interactions GloBI sur 2 types (connectance 21.4%, filtre Serrano α=0.2). 3 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°
-4,7°C
Annual rain
460mm
Moisture idx (CMI)
-0,31
Runoff
108mm/an
PET
662mm
AET
400mm
Mean slope
3,1°
Water table
73cm
Forest
84%
Crops
11%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)