HydroBASINS lev08 watershed · #2080335990
Bassin de Айва
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 : Gorodishchenskiy rayon, Luninskiy rayon, Nikol'skiy rayon, Sosnovoborskiy rayon
Sub-basin area
1 490,8km²
Upstream area
1 490,9km²
Discharge
5,8m³/s
Mean elev.
254m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- Nikol'skiy rayonPenza · Russia744.8 km²49.8% of basin
- Gorodishchenskiy rayonPenza · Russia510.6 km²34.1% of basin
- Sosnovoborskiy rayonPenza · Russia124.2 km²8.3% of basin
- Luninskiy rayonPenza · Russia117.3 km²7.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
516 distinct species · 1 788 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Айва : 25 espèces reliées par 71 interactions GloBI sur 6 types (connectance 10.7%, 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°
4,1°C
Annual rain
569mm
Moisture idx (CMI)
-0,19
Runoff
122mm/an
PET
699mm
AET
468mm
Mean slope
2,0°
Water table
157cm
Forest
50%
Crops
24%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)