Vasil`evskie ostrova
IUCN IIINatural Monument · 1983
51 km²
District · RUS
Bezenchukskiy rayon
Russia
DfbCold, no dry season, warm summer(94 %)
Species observed
537
Observations
1 719
Area
1 509km²
Ecological tissue
Sample of 24 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 Bezenchukskiy rayon : 17 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 43 interactions GloBI sur 3 types (connectance 15.6%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
24
Interactions affichées
43
Connectance
0.156
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
537 distinct species · 1 719 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
5,7°C
Annual rain
515mm
Warmest m°
26,2°C
Coldest m°
-12,8°C
Elevation: 51 m on average (min 25 m, max 133 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
5,7°C
Annual rain
515mm
Warmest month
26,2°C
Coldest month
-12,8°C
Mean alt.
51m
Min
25m
Max
133m
Std. dev.
20m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(94 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,1
Org. C
41,9g/kg
Clay
30,2%
Sand
26,1%
Silt
43,7%
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
7,0
Org. C
59,8g/kg
Clay
26,4%
Sand
28,3%
Silt
45,3%
5–15 cm
pH H₂O
7,1
Org. C
38,3g/kg
Clay
30,1%
Sand
25,9%
Silt
44,0%
15–30 cm
pH H₂O
7,2
Org. C
27,6g/kg
Clay
34,1%
Sand
24,0%
Silt
41,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest6.0%
Crops61.8%
Built-up0.2%
Bare soil0.1%
Other (grassland, water…)32.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology6 basins · 25 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
175,2km
Lake surface here
13,71km²
Basins crossed
6
Max stream order
5
Max drainage
1 274 205km²
Discharge in basins
2 172,3m³/s
Mean precip.
480mm/an
Mean T°
5,0°C
Moisture idx
-0,35
Max snow
35%
Mean runoff
127mm/an
Mean elev. (basins)
57m
Watersheds crossing here
- Bassin de Волгаsub-area1 875,2 km²overlap505.76 km²34%
- Bassin de Безенчукsub-area676,5 km²overlap460.21 km²30%
- Bassin de Чапаевкаsub-area925 km²overlap263.61 km²17%
- Bassin de Волгаsub-area286,8 km²overlap256.23 km²17%
- Bassin de Чаграsub-area731,2 km²overlap21.32 km²1%
- Bassin de Волгаsub-area1 762,8 km²overlap1.85 km²0%
Lakes (25, top by area)
- ерик Ильменныйarea13 km²avg depth1.9 m
- Lake #64426area2,7 km²avg depth1.1 m
- Lake #64617area2 km²avg depth1.9 m
- Ozero Bol’shoye Ostrovnoyearea1,1 km²avg depth1.4 m
- Ozero Lin’kovoarea1 km²avg depth1.2 m
- Ozero Tatarskoyearea1 km²avg depth1.3 m
- Lac 1326729area0,6 km²avg depth1.6 m
- Lac 1326143area0,6 km²avg depth1.9 m
- Lac 1325954area0,6 km²avg depth2.7 m
16 more lakes
- Lac 1325628area0,4 km²avg depth2.1 m
- Lac 1325874area0,4 km²avg depth1.8 m
- Lac 1325460area0,4 km²avg depth1.3 m
- Lac 1325949area0,4 km²avg depth2.5 m
- Lac 1325511area0,4 km²avg depth2.2 m
- Lac 1326623area0,4 km²avg depth2.0 m
- Lac 1325719area0,3 km²avg depth3.0 m
- Lac 1325651area0,3 km²avg depth1.4 m
- Lac 1325739area0,3 km²avg depth1.6 m
- Lac 1326114area0,3 km²avg depth1.8 m
- Lac 1326111area0,3 km²avg depth1.3 m
- Lac 1325303area0,3 km²avg depth1.3 m
- Lac 1326392area0,2 km²avg depth1.6 m
- Lac 1325514area0,2 km²avg depth2.1 m
- Lac 1326071area0,2 km²avg depth1.5 m
- Lac 1325925area0,1 km²avg depth2.1 m
Rivers / streams (8, ord ≥ 4)
- Безенчукord 4len here68.34 km89%total77 km
- Чапаевкаord 4len here21.36 km7%total315 km
- протока Гуселкиord 5len here17.52 km79%total22 km
- ручей Маячныйord 4len here17.44 km87%total20 km
- Черновкаord 5len here17.33 km11%total165 km
- Волгаord 9len here16.33 km0%total4678 km
- Куйбышевский обводнительно-оросительный каналord 2len here12.45 km42%total29 km
- Луговой ручейord 4len here4.41 km37%total12 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,6nW
Built-up
19,1%
Pesticides
4,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas7
IUCN III · 6IUCN Not Reported · 1
Majtuganskie soloncy
IUCN IIINatural Monument · 1989
25 km²
Aleksandrovskaya pojma
IUCN IIINatural Monument · 1987
3 km²
Genkovskie lesopolosy
IUCN IIINatural Monument · 1989
2 km²
Genkovskaya lesopolosa Lenta
IUCN Not ReportedNatural Monument · 1989
2 km²
Sosnovaya roshha
IUCN IIINatural Monument · 1991
0 km²
Complete list7 protected areas
- Vasil`evskie ostrovaNatural MonumentIUCN III198351 km²
- Majtuganskie soloncyNatural MonumentIUCN III198925 km²
- Aleksandrovskaya pojmaNatural MonumentIUCN III19873 km²
- Genkovskie lesopolosyNatural MonumentIUCN III19892 km²
- Genkovskaya lesopolosa LentaNatural MonumentIUCN Not Reported19892 km²
- Sosnovaya roshhaNatural MonumentIUCN III19910 km²
- Urochishhe MakarkaNatural MonumentIUCN III19910 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN