HydroBASINS lev08 watershed · #2080257310
Bassin de Ниша
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 7 administrative regions : Krestetskiy rayon, Malovisherskiy rayon, Novgorodskiy rayon, Parfinskiy rayon, Starorusskiy rayon +2
Sub-basin area
2 365,6km²
Upstream area
32 017,6km²
Discharge
280,49m³/s
Mean elev.
38m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Редья610 km²
- Bassin de Соминка132 km²
7 dept-equivalent regions (GADM L2)
- 808.7 km²34.0% of basin
- 659.8 km²27.7% of basin
- 349.0 km²14.7% of basin
- 319.6 km²13.4% of basin
- 221.0 km²9.3% of basin
- 19.8 km²0.8% of basin
- 0.2 km²0.0% of basin
4 intersecting protected areas
Vostochno-Il`menskij
IUCN IVState Natural Zakaznik
98.43 km² overlap
Proletarskie dubravy
IUCN IIINatural Monument
6.21 km² overlap
Bronnickie dubravy
IUCN IIINatural Monument
4.87 km² overlap
Urochishhe Lychenka
IUCN IIINatural Monument
4.17 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
440 distinct species · 1 041 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Ниша : 33 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 77 interactions GloBI sur 5 types (connectance 8.9%, filtre Serrano α=0.2). 9 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°
4,2°C
Annual rain
604mm
Moisture idx (CMI)
-0,02
Runoff
225mm/an
PET
619mm
AET
461mm
Mean slope
0,5°
Water table
27cm
Forest
52%
Crops
12%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)