HydroBASINS lev08 watershed · #2080214900
Bassin de Ергус
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 : Kotlas, Kotlasskiy rayon, Krasnoborskiy rayon
Sub-basin area
244,1km²
Upstream area
119 888,3km²
Discharge
319,21m³/s
Mean elev.
54m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Лименда943 km²
- Bassin de Икса153 km²
3 dept-equivalent regions (GADM L2)
- Kotlasskiy rayonArkhangel'sk · Russia189.0 km²77.0% of basin
- Krasnoborskiy rayonArkhangel'sk · Russia53.4 km²21.7% of basin
- 3.2 km²1.3% of basin
1 intersecting protected areas
Sol`vychegodskij
IUCN IVState Natural Zakaznik
13.78 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
212 distinct species · 786 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Ергус : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 67 interactions GloBI sur 3 types (connectance 11.9%, filtre Serrano α=0.2). 11 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
549mm
Moisture idx (CMI)
-0,05
Runoff
616mm/an
PET
578mm
AET
425mm
Mean slope
2,7°
Water table
45cm
Forest
57%
Crops
7%
Urban
6%
Protected
23%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)