HydroBASINS lev08 watershed · #2080122340
Bassin de Письем
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, Monchegorsk gorsovet, Olenegorsk gorsovet, Water body
Sub-basin area
1 210,9km²
Upstream area
1 210,9km²
Discharge
9,67m³/s
Mean elev.
207m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- Olenegorsk gorsovetMurmansk · Russia733.5 km²60.1% of basin
- Kol'skiy rayonMurmansk · Russia365.9 km²30.0% of basin
- Monchegorsk gorsovetMurmansk · Russia118.5 km²9.7% of basin
- Water bodyMurmansk · Russia1.6 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
302 distinct species · 1 410 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 Письем : 18 espèces reliées par 50 interactions GloBI sur 3 types (connectance 14.2%, 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°
-1,0°C
Annual rain
545mm
Moisture idx (CMI)
0,32
Runoff
264mm/an
PET
372mm
AET
320mm
Mean slope
3,7°
Water table
149cm
Forest
40%
Crops
0%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)