HydroBASINS lev08 watershed · #2080226650
Bassin de Свирь
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 : Lodeynopoe Pole, Lodeynopol'skiy rayon, Olonetskiy rayon, Podporozhskiy rayon
Sub-basin area
2 406,5km²
Upstream area
63 681,3km²
Discharge
662,51m³/s
Mean elev.
55m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Важинка1871 km²
- Bassin de Свирь1536 km²
4 dept-equivalent regions (GADM L2)
- 1759.4 km²72.7% of basin
- 452.7 km²18.7% of basin
- 205.3 km²8.5% of basin
- 3.0 km²0.1% of basin
9 intersecting protected areas
Svir Delta
IUCN Not ReportedWetland of International Importance (Ramsar Site)
194.68 km² overlap
Oloneckij
IUCN IVState Natural Zakaznik
28.71 km² overlap
Boloto Vostochno-Segezhskoe
IUCN IIINatural Monument
7.24 km² overlap
Boloto Medvezh`e
IUCN IIINatural Monument
1.23 km² overlap
Boloto Lebyazh`e
IUCN IIINatural Monument
0.85 km² overlap
Boloto Poruchejnoe
IUCN IIINatural Monument
0.68 km² overlap
Boloto Novikovskoe
IUCN IIINatural Monument
0.32 km² overlap
Boloto Mihajlovskoe
IUCN IIINatural Monument
0.29 km² overlap
Boloto u oz.Medvezh`e
IUCN IIINatural Monument
0.18 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 974 distinct species · 6 503 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Свирь : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 77 interactions GloBI sur 5 types (connectance 14.6%, 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°
3,0°C
Annual rain
673mm
Moisture idx (CMI)
0,18
Runoff
317mm/an
PET
552mm
AET
426mm
Mean slope
2,7°
Water table
100cm
Forest
93%
Crops
3%
Urban
1%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)