HydroBASINS lev08 watershed · #2080249680
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 3 administrative regions : Gatchinskiy rayon, Luzhskiy rayon, Tosnenskiy rayon
Sub-basin area
292km²
Upstream area
2 637,8km²
Discharge
17,3m³/s
Mean elev.
64m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Кременка405 km²
- Bassin de Оредеж362 km²
3 dept-equivalent regions (GADM L2)
- 211.1 km²71.9% of basin
- 80.7 km²27.5% of basin
- 1.7 km²0.6% of basin
2 intersecting protected areas
Mshinskaya wetland system
IUCN Not ReportedWetland of International Importance (Ramsar Site)
98.01 km² overlap
Glebovskoe boloto
IUCN IVState Natural Zakaznik
0.83 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
95 distinct species · 121 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 Оредеж : 24 espèces reliées par 29 interactions GloBI sur 6 types (connectance 7.1%, filtre Serrano α=0.2). 5 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
626mm
Moisture idx (CMI)
0,07
Runoff
200mm/an
PET
583mm
AET
445mm
Mean slope
1,0°
Water table
66cm
Forest
86%
Crops
5%
Urban
0%
Protected
41%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)