HydroBASINS lev08 watershed · #2080137200
Bassin de Большая Варзуга
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 : Levozerskiy rayon, Terskiy rayon
Sub-basin area
1 357,4km²
Upstream area
2 854,8km²
Discharge
33,55m³/s
Mean elev.
153m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Малая Варзуга930 km²
- Bassin de Стрельна568 km²
2 dept-equivalent regions (GADM L2)
- Levozerskiy rayonMurmansk · Russia707.3 km²51.7% of basin
- Terskiy rayonMurmansk · Russia659.5 km²48.3% of basin
1 intersecting protected areas
Varzugskij
IUCN IVState Natural Zakaznik
16.20 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
38 distinct species · 62 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 14 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 Большая Варзуга : 13 espèces reliées par 12 interactions GloBI sur 6 types (connectance 13.2%, 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°
-0,3°C
Annual rain
473mm
Moisture idx (CMI)
0,18
Runoff
275mm/an
PET
387mm
AET
320mm
Mean slope
2,9°
Water table
69cm
Forest
60%
Crops
0%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)