HydroBASINS lev08 watershed · #2080327800
Bassin de Карнай
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 4 administrative regions : Issinskiy rayon, Kochkurovskiy rayon, Ruzayevskiy rayon, Saransk gorsovet
Sub-basin area
253,2km²
Upstream area
253,2km²
Discharge
1,15m³/s
Mean elev.
210m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 179.7 km²70.7% of basin
- 39.8 km²15.7% of basin
- 25.8 km²10.1% of basin
- Issinskiy rayonPenza · Russia8.9 km²3.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
702 distinct species · 3 372 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 Карнай : 15 espèces reliées par 45 interactions GloBI sur 5 types (connectance 17.8%, filtre Serrano α=0.2). 8 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°
4,1°C
Annual rain
559mm
Moisture idx (CMI)
-0,18
Runoff
143mm/an
PET
684mm
AET
463mm
Mean slope
1,9°
Water table
203cm
Forest
1%
Crops
64%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)