HydroBASINS lev08 watershed · #2080375410
Bassin de Ржакса
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 : Rasskazovskiy rayon, Rzhaksinskiy rayon, Sampurskiy rayon
Sub-basin area
375,9km²
Upstream area
375,9km²
Discharge
1,54m³/s
Mean elev.
171m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- Rzhaksinskiy rayonTambov · Russia336.6 km²89.2% of basin
- Rasskazovskiy rayonTambov · Russia39.7 km²10.5% of basin
- Sampurskiy rayonTambov · Russia1.0 km²0.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
90 distinct species · 263 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 20 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 Ржакса : 16 espèces reliées par 25 interactions GloBI sur 5 types (connectance 11.9%, filtre Serrano α=0.2). 5 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°
5,6°C
Annual rain
528mm
Moisture idx (CMI)
-0,30
Runoff
131mm/an
PET
750mm
AET
447mm
Mean slope
1,2°
Water table
147cm
Forest
1%
Crops
74%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)