HydroBASINS lev08 watershed · #2080357940
Bassin de Ира
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 : Bashmakovskiy rayon, Bondarskiy rayon, Gavrilovskiy rayon, Kirsanovskiy rayon
Sub-basin area
928,8km²
Upstream area
928,8km²
Discharge
4m³/s
Mean elev.
183m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- Gavrilovskiy rayonTambov · Russia458.1 km²49.1% of basin
- Kirsanovskiy rayonTambov · Russia360.8 km²38.7% of basin
- Bondarskiy rayonTambov · Russia81.0 km²8.7% of basin
- Bashmakovskiy rayonPenza · Russia32.6 km²3.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
234 distinct species · 345 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 Ира : 37 espèces reliées par 72 interactions GloBI sur 5 types (connectance 7.6%, filtre Serrano α=0.2). 7 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°
5,1°C
Annual rain
539mm
Moisture idx (CMI)
-0,26
Runoff
137mm/an
PET
725mm
AET
454mm
Mean slope
0,8°
Water table
106cm
Forest
1%
Crops
71%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)