HydroBASINS lev08 watershed · #2080182990
Bassin de Калажма
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 : Kholmogorskiy rayon, Plesetskiy rayon
Sub-basin area
540,2km²
Upstream area
540,2km²
Discharge
4,59m³/s
Mean elev.
58m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Plesetskiy rayonArkhangel'sk · Russia286.5 km²52.7% of basin
- Kholmogorskiy rayonArkhangel'sk · Russia257.1 km²47.3% of basin
1 intersecting protected areas
Permilovskij
IUCN IVState Natural Zakaznik
71.10 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
30 distinct species · 34 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 11 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 Калажма : 10 espèces reliées par 9 interactions GloBI sur 4 types (connectance 13.6%, filtre Serrano α=0.2). 2 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°
1,1°C
Annual rain
590mm
Moisture idx (CMI)
0,12
Runoff
278mm/an
PET
516mm
AET
401mm
Mean slope
1,6°
Water table
28cm
Forest
73%
Crops
0%
Urban
0%
Protected
19%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)