HydroBASINS lev08 watershed · #2080311320
Bassin de Ока
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 4 administrative regions : Egor'evskiy rayon, Kolomenskiy rayon, Kolomna, Lukhovitskiy rayon
Sub-basin area
340,3km²
Upstream area
91 958km²
Discharge
558,4m³/s
Mean elev.
131m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Северка2408 km²
- Bassin de Ока199 km²
4 dept-equivalent regions (GADM L2)
- 257.6 km²75.3% of basin
- 49.6 km²14.5% of basin
- 20.8 km²6.1% of basin
- 14.0 km²4.1% of basin
1 intersecting protected areas
State Natural Zakaznik
2.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 444 distinct species · 13 744 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Ока : 23 espèces reliées par 82 interactions GloBI sur 4 types (connectance 17.6%, filtre Serrano α=0.2). 8 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°
4,8°C
Annual rain
601mm
Moisture idx (CMI)
-0,10
Runoff
172mm/an
PET
669mm
AET
482mm
Mean slope
1,1°
Water table
100cm
Forest
47%
Crops
26%
Urban
3%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)