UNESCO-MAB Biosphere Reserve · rus
Middle Volga
- Area
- 1 648 km²
- IUCN cat.
- Not Applicable
- Year
- 2006
Overview
- Designation
- UNESCO-MAB Biosphere Reserve
- Established
- 2006
- Managing authority
- Not Reported
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
3 425 distinct species · 125 145 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Middle Volga : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 56 interactions GloBI sur 3 types (connectance 8.9%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology6 basins · 18 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
95,7km
Lake surface here
18,45km²
Basins crossed
6
Max stream order
9
Max drainage
1 267 207km²
Discharge in basins
19 753,9m³/s
Mean precip.
511mm/an
Mean T°
4,5°C
Moisture idx
-0,28
Max snow
35%
Mean runoff
102mm/an
Mean elev. (basins)
116m
Watersheds crossing here
- Bassin de Волгаsub-area1 762,8 km²overlap860.64 km²52%
- Bassin de Волгаsub-area642,8 km²overlap482.38 km²29%
- Bassin de Усаsub-area658,9 km²overlap119.24 km²7%
- Bassin de Волгаsub-area170,4 km²overlap80.06 km²5%
- Bassin de Волгаsub-area236,1 km²overlap79.00 km²5%
- Bassin de Волгаsub-area52,2 km²overlap26.33 km²2%
Lakes (18, top by area)
- Kuybyshev Reservoirarea5 060,1 km²avg depth11.5 m
- Ozero Bol’shoye Ostrovnoyearea1,3 km²avg depth1.3 m
- Lac 1324916area0,8 km²avg depth3.6 m
- Lac 1325270area0,6 km²avg depth2.6 m
- Lac 1325566area0,5 km²avg depth2.4 m
- Lac 1325589area0,4 km²avg depth2.1 m
- Lac 1325613area0,3 km²avg depth1.7 m
- Lac 1325642area0,3 km²avg depth1.7 m
- Lac 1325192area0,3 km²avg depth2.0 m
9 more lakes
- Lac 1324754area0,2 km²avg depth2.0 m
- Lac 1325164area0,2 km²avg depth1.7 m
- Lac 1325115area0,2 km²avg depth3.0 m
- Lac 1325321area0,2 km²avg depth2.1 m
- Lac 1324935area0,2 km²avg depth1.8 m
- Lac 1324151area0,1 km²avg depth4.8 m
- Lac 1324774area0,1 km²avg depth1.8 m
- Lac 1325632area0,1 km²avg depth1.5 m
- Lac 1323992area0,1 km²avg depth2.7 m
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 53.30214, 49.72056
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.