HydroBASINS lev08 watershed · #2080286220
Bassin de Большая Кокшага
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 : Kilemarskiy rayon, Medvedevskiy rayon, Sanchurskiy rayon
Sub-basin area
1 285,8km²
Upstream area
3 419,4km²
Discharge
13,43m³/s
Mean elev.
109m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Большая Кокшага704 km²
- Bassin de Мамокша634 km²
3 dept-equivalent regions (GADM L2)
- 630.4 km²48.8% of basin
- 505.7 km²39.1% of basin
- 156.0 km²12.1% of basin
1 intersecting protected areas
Boloto Kriul`
IUCN IIINatural Monument
0.61 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 003 distinct species · 2 627 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 Большая Кокшага : 20 espèces reliées par 42 interactions GloBI sur 4 types (connectance 14.0%, filtre Serrano α=0.2). 5 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°
3,4°C
Annual rain
576mm
Moisture idx (CMI)
-0,07
Runoff
100mm/an
PET
619mm
AET
454mm
Mean slope
0,8°
Water table
83cm
Forest
75%
Crops
22%
Urban
0%
Protected
18%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)