HydroBASINS lev08 watershed · #2080349990
Bassin de Орлик
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 6 administrative regions : Bolkhovskiy rayon, Khotynetskiy rayon, Orel, Orlovskiy rayon, Uritskiy rayon +1
Sub-basin area
1 385,4km²
Upstream area
5 659,2km²
Discharge
32,52m³/s
Mean elev.
207m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Рыбница758 km²
- Bassin de Ока6 km²
6 dept-equivalent regions (GADM L2)
- Orlovskiy rayonOrel · Russia781.9 km²56.2% of basin
- Uritskiy rayonOrel · Russia386.4 km²27.8% of basin
- Khotynetskiy rayonOrel · Russia86.1 km²6.2% of basin
- 85.7 km²6.2% of basin
- Znamenskiy rayonOrel · Russia50.6 km²3.6% of basin
- Bolkhovskiy rayonOrel · Russia0.5 km²0.0% of basin
1 intersecting protected areas
Orlovskoe Poles`e
IUCN IINational Park
5.86 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 943 distinct species · 9 187 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Орлик : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 100 interactions GloBI sur 4 types (connectance 17.8%, filtre Serrano α=0.2). 15 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°
5,2°C
Annual rain
623mm
Moisture idx (CMI)
-0,10
Runoff
187mm/an
PET
691mm
AET
504mm
Mean slope
1,9°
Water table
181cm
Forest
2%
Crops
67%
Urban
8%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)