HydroBASINS lev08 watershed · #2080263690
Bassin de Снежа
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 : Staraya Russa, Starorusskiy rayon
Sub-basin area
19,8km²
Upstream area
2 265,9km²
Discharge
19,74m³/s
Mean elev.
30m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Полисть760 km²
- Bassin de Холынья690 km²
2 dept-equivalent regions (GADM L2)
- 18.9 km²94.8% of basin
- 1.0 km²5.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
18 distinct species · 18 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 9 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 Снежа : 8 espèces reliées par 9 interactions GloBI sur 2 types (connectance 25.0%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
4,4°C
Annual rain
586mm
Moisture idx (CMI)
-0,06
Runoff
250mm/an
PET
624mm
AET
463mm
Mean slope
0,5°
Water table
38cm
Forest
38%
Crops
82%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)