HydroBASINS lev08 watershed · #2080381810
Bassin de Олым
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 : Gorshechenskiy rayon, Kastorenskiy rayon, Nizhnedevitskiy rayon, Sovetskiy rayon
Sub-basin area
900,6km²
Upstream area
900,6km²
Discharge
3,49m³/s
Mean elev.
212m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- Kastorenskiy rayonKursk · Russia626.4 km²69.3% of basin
- Gorshechenskiy rayonKursk · Russia231.8 km²25.6% of basin
- 30.7 km²3.4% of basin
- Sovetskiy rayonKursk · Russia15.2 km²1.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
661 distinct species · 4 532 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Олым : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 66 interactions GloBI sur 2 types (connectance 16.3%, filtre Serrano α=0.2). 9 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°
5,9°C
Annual rain
582mm
Moisture idx (CMI)
-0,21
Runoff
122mm/an
PET
741mm
AET
491mm
Mean slope
1,3°
Water table
186cm
Forest
0%
Crops
67%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)