HydroBASINS lev08 watershed · #2080039590
Bassin de Большая Лавна
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 : Kol'skiy rayon, Murmansk, Murmansk gorod, Polyarnye gorsovet
Sub-basin area
349,4km²
Upstream area
26 402,9km²
Discharge
281,29m³/s
Mean elev.
157m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Тулома2632 km²
- Bassin de Кола310 km²
4 dept-equivalent regions (GADM L2)
- Kol'skiy rayonMurmansk · Russia232.4 km²66.0% of basin
- Murmansk gorodMurmansk · Russia64.9 km²18.4% of basin
- 37.9 km²10.8% of basin
- Polyarnye gorsovetMurmansk · Russia0.6 km²0.2% of basin
1 intersecting protected areas
Baranij lob u ozera Semyonovskoe
IUCN IIINatural Monument
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
761 distinct species · 7 701 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Лавна : 26 espèces reliées par 94 interactions GloBI sur 5 types (connectance 10.9%, filtre Serrano α=0.2). 16 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°
-0,3°C
Annual rain
514mm
Moisture idx (CMI)
0,31
Runoff
316mm/an
PET
353mm
AET
302mm
Mean slope
8,3°
Water table
280cm
Forest
18%
Crops
0%
Urban
11%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)