HydroBASINS lev08 watershed · #2080162550
Bassin de Полта
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 3 administrative regions : Mezenskiy rayon, Pinezhskiy rayon, Primorskiy rayon
Sub-basin area
1 653,3km²
Upstream area
1 653,4km²
Discharge
13,97m³/s
Mean elev.
99m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- Pinezhskiy rayonArkhangel'sk · Russia1442.7 km²86.7% of basin
- Mezenskiy rayonArkhangel'sk · Russia155.8 km²9.4% of basin
- Primorskiy rayonArkhangel'sk · Russia65.7 km²4.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
122 distinct species · 140 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 15 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 Полта : 12 espèces reliées par 15 interactions GloBI sur 3 types (connectance 12.5%, filtre Serrano α=0.2). 4 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°
-0,1°C
Annual rain
547mm
Moisture idx (CMI)
0,15
Runoff
259mm/an
PET
467mm
AET
369mm
Mean slope
2,3°
Water table
41cm
Forest
81%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)