HydroBASINS lev08 watershed · #2080298660
Bassin de Сумка
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 : Kozlovskiy rayon, Verkhneuslonskiy rayon, Volzhskiy rayon, Zelenodol'sk, Zelenodol'skiy rayon
Sub-basin area
707,5km²
Upstream area
631 294,8km²
Discharge
3 409,59m³/s
Mean elev.
96m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Илеть641 km²
- Bassin de Волга8 km²
5 dept-equivalent regions (GADM L2)
- 550.4 km²77.4% of basin
- 95.7 km²13.5% of basin
- 34.2 km²4.8% of basin
- 30.3 km²4.3% of basin
- 0.3 km²0.0% of basin
15 intersecting protected areas
Great Volzhsko-Kamsky
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
149.64 km² overlap
Raifa Forest / Great Volzhsko-Kamsky (part of)
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
148.55 km² overlap
Volzhskie prostory
IUCN IVState Natural Zakaznik
58.30 km² overlap
Volzhsko-Kamskij
IUCN IaState Natural Zapovednik
55.92 km² overlap
SHorskij
IUCN IVState Natural Zakaznik
24.56 km² overlap
Sviyazhskij
IUCN IVState Natural Zakaznik
2.43 km² overlap
Sviyazhsky / Great Volzhsko-Kamsky (part of)
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
1.09 km² overlap
Kovyl`naya step`
IUCN IVState Natural Zakaznik
0.42 km² overlap
Dendrologicheskij sad Volzhsko-Kamskogo gosudarstvennogo zapovednika
IUCN Not ReportedDendrological Park and Botanical Garden
0.21 km² overlap
6 more protected areassorted by overlap area
Il`inskaya balka
IUCN IIINatural Monument
0.19 km² overlap
Ozero Russko-Marijskie Kovali
IUCN IIINatural Monument
0.08 km² overlap
Natural Monument
0.07 km² overlap
Ozero CHernoe
IUCN IIINatural Monument
0.02 km² overlap
Ozero Sobakino
IUCN IIINatural Monument
0.00 km² overlap
Ozero Proval`noe
IUCN IIINatural Monument
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 136 distinct species · 12 849 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Сумка : 34 espèces reliées par 63 interactions GloBI sur 5 types (connectance 8.1%, filtre Serrano α=0.2). 6 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°
3,6°C
Annual rain
546mm
Moisture idx (CMI)
-0,16
Runoff
163mm/an
PET
648mm
AET
453mm
Mean slope
1,3°
Water table
105cm
Forest
41%
Crops
29%
Urban
15%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)