HydroBASINS lev08 watershed · #2080314900
Bassin de Алатырь
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 6 administrative regions : Lukoyanovskiy rayon, Pervomayskiy rayon, Pochinkovskiy rayon, Shatkovskiy rayon, Temnikovskiy rayon +1
Sub-basin area
1 646,6km²
Upstream area
1 646,9km²
Discharge
5,5m³/s
Mean elev.
175m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
6 dept-equivalent regions (GADM L2)
- 925.2 km²55.9% of basin
- Pervomayskiy rayon613.8 km²37.1% of basin
- 55.5 km²3.4% of basin
- 47.4 km²2.9% of basin
- 6.7 km²0.4% of basin
- 5.4 km²0.3% of basin
14 intersecting protected areas
State Natural Zapovednik
7.45 km² overlap
Natural Monument
2.59 km² overlap
Natural Monument
1.26 km² overlap
Dubrava u sela Nelej
IUCN IIINatural Monument
1.16 km² overlap
Dubrava Madaevskogo lesnichestva
IUCN IIINatural Monument
0.99 km² overlap
Natural Monument
0.91 km² overlap
Natural Monument
0.85 km² overlap
Natural Monument
0.75 km² overlap
Natural Monument
0.50 km² overlap
5 more protected areassorted by overlap area
Natural Monument
0.47 km² overlap
Natural Monument
0.44 km² overlap
Dubrava Pechinskogo lesnichestva
IUCN IIINatural Monument
0.28 km² overlap
Grafinskie propasti
IUCN IIINatural Monument
0.23 km² overlap
Natural Monument
0.23 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 114 distinct species · 2 788 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 Алатырь : 34 espèces reliées par 51 interactions GloBI sur 5 types (connectance 5.2%, 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°
4,0°C
Annual rain
565mm
Moisture idx (CMI)
-0,14
Runoff
119mm/an
PET
653mm
AET
457mm
Mean slope
1,3°
Water table
133cm
Forest
55%
Crops
24%
Urban
1%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)