HydroBASINS lev08 watershed · #2080313910
Bassin de Степной Зай
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 : Al'met'evskiy rayon, Bugul'minskiy rayon, Leninogorskiy rayon
Sub-basin area
422,5km²
Upstream area
1 603,3km²
Discharge
7,45m³/s
Mean elev.
208m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Зай734 km²
- Bassin de Степной Зай447 km²
3 dept-equivalent regions (GADM L2)
- 181.3 km²42.7% of basin
- 159.8 km²37.7% of basin
- 83.3 km²19.6% of basin
1 intersecting protected areas
Reka Stepnoj Zaj
IUCN IIINatural Monument
23.65 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
273 distinct species · 407 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Степной Зай : 35 espèces reliées par 81 interactions GloBI sur 5 types (connectance 9.0%, 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°
3,2°C
Annual rain
554mm
Moisture idx (CMI)
-0,20
Runoff
154mm/an
PET
690mm
AET
458mm
Mean slope
3,0°
Water table
132cm
Forest
19%
Crops
44%
Urban
3%
Protected
6%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)