HydroBASINS lev08 watershed · #2080263350
Bassin de Порусья
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 : Bezhanitskiy rayon, Poddorskiy rayon, Staraya Russa, Starorusskiy rayon
Sub-basin area
1 021,7km²
Upstream area
1 021,8km²
Discharge
8,69m³/s
Mean elev.
76m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 669.6 km²65.2% of basin
- 244.8 km²23.8% of basin
- Bezhanitskiy rayonPskov · Russia96.1 km²9.4% of basin
- 16.3 km²1.6% of basin
2 intersecting protected areas
Polistovskij
IUCN IaState Natural Zapovednik
82.85 km² overlap
Rdejskij
IUCN IVState Natural Zakaznik
0.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
528 distinct species · 2 096 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 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 Порусья : 40 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 67 interactions GloBI sur 5 types (connectance 6.5%, filtre Serrano α=0.2). 6 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
599mm
Moisture idx (CMI)
-0,05
Runoff
263mm/an
PET
628mm
AET
471mm
Mean slope
0,5°
Water table
33cm
Forest
54%
Crops
14%
Urban
1%
Protected
25%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)