Middle Volga
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 2006
1 648 km²
District · RUS
Stavropol'skiy rayon
Russia
DfbCold, no dry season, warm summer(100 %)
Species observed
2 941
Observations
58 588
Area
3 585,9km²
Ecological tissue
Sample of 41 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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Stavropol'skiy rayon : 35 espèces reliées par 79 interactions GloBI sur 5 types (connectance 9.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
41
Interactions affichées
79
Connectance
0.096
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
2 941 distinct species · 58 588 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
5,1°C
Annual rain
558mm
Warmest m°
24,8°C
Coldest m°
-12,8°C
Elevation: 114 m on average (min 25 m, max 348 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
5,1°C
Annual rain
558mm
Warmest month
24,8°C
Coldest month
-12,8°C
Mean alt.
114m
Min
25m
Max
348m
Std. dev.
58m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,7
Org. C
44,7g/kg
Clay
32,6%
Sand
26,5%
Silt
40,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,6
Org. C
67,3g/kg
Clay
31,5%
Sand
27,0%
Silt
41,5%
5–15 cm
pH H₂O
6,7
Org. C
40,7g/kg
Clay
32,8%
Sand
26,2%
Silt
40,9%
15–30 cm
pH H₂O
6,7
Org. C
26,0g/kg
Clay
33,4%
Sand
26,4%
Silt
40,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest22.2%
Crops41.0%
Built-up0.7%
Bare soil0.1%
Other (grassland, water…)36.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology14 basins · 50 lakes · 14 rivers
Hydrology metrics for this exact territory
Stream length here
334,2km
Lake surface here
110,88km²
Basins crossed
14
Max stream order
9
Max drainage
1 267 207km²
Discharge in basins
11 505,6m³/s
Mean precip.
512mm/an
Mean T°
4,5°C
Moisture idx
-0,28
Max snow
36%
Mean runoff
118mm/an
Mean elev. (basins)
100m
Watersheds crossing here
- Bassin de Оросительный канал АО "КуйбышевАзот"sub-area1 272 km²overlap1049.85 km²29%
- Bassin de Волгаsub-area1 762,8 km²overlap639.96 km²18%
- Bassin de Бирляsub-area2 350,2 km²overlap482.96 km²13%
- Bassin de Пискалкаsub-area376 km²overlap376.05 km²10%
- Bassin de Волгаsub-area642,8 km²overlap297.23 km²8%
- Bassin de Большой Авральsub-area1 467,9 km²overlap285.03 km²8%
- Bassin de Курумочsub-area327,8 km²overlap145.05 km²4%
- Bassin de Волгаsub-area170,4 km²overlap101.94 km²3%
- Bassin de Волгаsub-area1 564,9 km²overlap88.95 km²2%
Lakes (50, top by area)
- Kuybyshev Reservoirarea5 060,1 km²avg depth11.5 m
- ерик Ильменныйarea13 km²avg depth1.9 m
- Lake #13433area11,8 km²avg depth5.4 m
- Lake #63849area3,1 km²avg depth1.0 m
- Lake #64126area1,7 km²avg depth2.8 m
- Lake #63844area1,5 km²avg depth0.9 m
- Lake #63794area1,3 km²avg depth1.4 m
- Lake #64400area1 km²avg depth1.0 m
- Lac 1323586area1 km²avg depth5.0 m
41 more lakes
- Lac 1322645area0,8 km²avg depth1.8 m
- Lac 1325566area0,5 km²avg depth2.4 m
- Lac 1323904area0,5 km²avg depth2.6 m
- Lac 1322600area0,4 km²avg depth1.5 m
- Lac 1325621area0,4 km²avg depth1.6 m
- Lac 1323930area0,4 km²avg depth2.7 m
- Lac 1325460area0,4 km²avg depth1.3 m
- Lac 1325589area0,4 km²avg depth2.1 m
- Lac 1323943area0,4 km²avg depth2.1 m
- Lac 1325686area0,3 km²avg depth1.6 m
- Lac 1325613area0,3 km²avg depth1.7 m
- Lac 1325741area0,3 km²avg depth1.7 m
- Lac 1325642area0,3 km²avg depth1.7 m
- Lac 1325740area0,3 km²avg depth1.5 m
- Lac 1323115area0,3 km²avg depth3.9 m
- Lac 1322280area0,3 km²avg depth3.4 m
- Lac 1325791area0,2 km²avg depth1.5 m
- Lac 1322576area0,2 km²avg depth1.5 m
- Lac 1322198area0,2 km²avg depth3.4 m
- Lac 1322721area0,2 km²avg depth3.2 m
- Lac 1326071area0,2 km²avg depth1.5 m
- Lac 1323810area0,2 km²avg depth2.3 m
- Lac 1322796area0,2 km²avg depth4.3 m
- Lac 1322530area0,2 km²avg depth1.0 m
- Lac 1322932area0,2 km²avg depth0.5 m
- Lac 1325571area0,2 km²avg depth1.4 m
- Lac 1323583area0,2 km²avg depth1.3 m
- Lac 1323770area0,1 km²avg depth1.9 m
- Lac 1322114area0,1 km²avg depth2.7 m
- Lac 1325467area0,1 km²avg depth1.4 m
- Lac 1325439area0,1 km²avg depth0.9 m
- Lac 1323662area0,1 km²avg depth1.4 m
- Lac 1323337area0,1 km²avg depth1.2 m
- Lac 1323425area0,1 km²avg depth3.6 m
- Lac 1325908area0,1 km²avg depth1.7 m
- Lac 1325586area0,1 km²avg depth1.7 m
- Lac 1325632area0,1 km²avg depth1.5 m
- Lac 1325784area0,1 km²avg depth1.2 m
- Lac 1325787area0,1 km²avg depth1.3 m
- Lac 1323992area0,1 km²avg depth2.7 m
- Lac 1326036area0,1 km²avg depth1.5 m
Rivers / streams (14, ord ≥ 4)
- Волгаord 9len here114.55 km2%total4678 km
- Оросительный канал АО "КуйбышевАзот"ord 1len here57.63 km100%total58 km
- Пискалкаord 3len here51.33 km100%total51 km
- Ташелкаord 3len here42.67 km60%total71 km
- Старый Мокрецord 9len here17.71 km79%total23 km
- Мусоркаord 2len here12.85 km50%total26 km
- ручей Сосновыйord 2len here11.68 km100%total12 km
- Луговой ручейord 4len here7.63 km63%total12 km
- протока Гуселкиord 5len here4.65 km21%total22 km
- Чапаевкаord 4len here3.27 km1%total315 km
- Безенчукord 4len here3.02 km4%total77 km
- Курумочord 3len here2.86 km12%total24 km
2 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
3,0nW
Built-up
71,9%
Pesticides
3,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN III · 4IUCN Not Applicable · 1IUCN II · 1
Samarskaya Luka
IUCN IINational Park · 1984
1 306 km²
Vasil`evskie ostrova
IUCN IIINatural Monument · 1983
51 km²
Sosnovyj drevostoj
IUCN IIINatural Monument · 1967
19 km²
Stavropol`skij sosnyak
IUCN IIINatural Monument · 1987
9 km²
Mastryukovskie ozera
IUCN IIINatural Monument · 1989
3 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN