HydroBASINS lev08 watershed · #2080183270
Bassin de Мехреньга
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 5 administrative regions : Kholmogorskiy rayon, Nyandomskiy rayon, Plesetskiy rayon, Shenkurskiy rayon, Vinogradovskiy rayon
Sub-basin area
6 737,6km²
Upstream area
6 737,6km²
Discharge
59,76m³/s
Mean elev.
99m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- Plesetskiy rayonArkhangel'sk · Russia4405.6 km²65.0% of basin
- Kholmogorskiy rayonArkhangel'sk · Russia1150.8 km²17.0% of basin
- Shenkurskiy rayonArkhangel'sk · Russia819.6 km²12.1% of basin
- Vinogradovskiy rayonArkhangel'sk · Russia244.8 km²3.6% of basin
- Nyandomskiy rayonArkhangel'sk · Russia158.2 km²2.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
190 distinct species · 266 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 20 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 Мехреньга : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 21 interactions GloBI sur 3 types (connectance 10.0%, filtre Serrano α=0.2). 6 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
604mm
Moisture idx (CMI)
0,13
Runoff
295mm/an
PET
525mm
AET
410mm
Mean slope
2,6°
Water table
53cm
Forest
89%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)