HydroBASINS lev08 watershed · #2080247680
Bassin de Оредеж
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 : Gatchinskiy rayon, Tosnenskiy rayon
Sub-basin area
362km²
Upstream area
1 941,3km²
Discharge
12,96m³/s
Mean elev.
70m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Суйда623 km²
- Bassin de Оредеж146 km²
2 dept-equivalent regions (GADM L2)
- 348.5 km²95.8% of basin
- 15.5 km²4.2% of basin
2 intersecting protected areas
Lisinskij
IUCN IVState Natural Zakaznik
13.95 km² overlap
Glebovskoe boloto
IUCN IVState Natural Zakaznik
13.50 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
429 distinct species · 687 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Оредеж : 26 espèces reliées par 107 interactions GloBI sur 5 types (connectance 15.2%, filtre Serrano α=0.2). 12 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°
4,3°C
Annual rain
633mm
Moisture idx (CMI)
0,09
Runoff
202mm/an
PET
575mm
AET
441mm
Mean slope
1,1°
Water table
70cm
Forest
93%
Crops
1%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)