HydroBASINS lev08 watershed · #2080306660
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 5 administrative regions : Al'met'evsk, Al'met'evskiy rayon, Nizhnekamskiy rayon, Zainsk, Zainskiy rayon
Sub-basin area
948,5km²
Upstream area
2 912,1km²
Discharge
12,8m³/s
Mean elev.
160m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Степной Зай423 km²
- Bassin de Кама-Су360 km²
5 dept-equivalent regions (GADM L2)
- 720.4 km²75.6% of basin
- 217.9 km²22.9% of basin
- 7.9 km²0.8% of basin
- 5.3 km²0.6% of basin
- 1.4 km²0.1% of basin
2 intersecting protected areas
Reka Stepnoj Zaj
IUCN IIINatural Monument
50.53 km² overlap
Ozero Aktashskij Proval
IUCN IIINatural Monument
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
790 distinct species · 1 999 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 : 29 espèces reliées par 95 interactions GloBI sur 5 types (connectance 11.6%, filtre Serrano α=0.2). 12 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
553mm
Moisture idx (CMI)
-0,19
Runoff
166mm/an
PET
682mm
AET
458mm
Mean slope
2,6°
Water table
137cm
Forest
25%
Crops
47%
Urban
9%
Protected
17%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)