Ontologia

District · RUS

Khvalynskiy rayon

Russia

DfbCold, no dry season, warm summer(82 %)

Species observed

2 172

Observations

6 375

Area

1 806,1km²

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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Khvalynskiy rayon : 30 espèces reliées par 70 interactions GloBI sur 5 types (connectance 7.1%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
70
Connectance
0.071
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

2 172 distinct species · 6 375 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 375 obs · 37 cellules
Obs. / cellule
≥ 2 384
396–2 383
82–395
25–81
< 25

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

5,4°C

Annual rain

539mm

Warmest m°

25,4°C

Coldest m°

-12,5°C

Elevation: 144 m on average (min 27 m, max 362 m)

Bioclimatic detailsExpert
Annual mean temp.
5,4°C
Annual rain
539mm
Warmest month
25,4°C
Coldest month
-12,5°C
Mean alt.
144m
Min
27m
Max
362m
Std. dev.
71m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(82 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,9

Org. C

39,7g/kg

Clay

29,6%

Sand

27,3%

Silt

43,1%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
59,9g/kg
Clay
28,6%
Sand
27,7%
Silt
43,8%
5–15 cm
pH H₂O
6,9
Org. C
34,9g/kg
Clay
30,1%
Sand
27,3%
Silt
42,6%
15–30 cm
pH H₂O
7,0
Org. C
24,2g/kg
Clay
30,2%
Sand
27,1%
Silt
42,8%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest13.2%
Crops46.3%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)40.4%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology5 basins · 2 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

191,4km

Lake surface here

215,13km²

Basins crossed

5

Max stream order

9

Max drainage

1 290 950km²

Discharge in basins

5 640,3m³/s

Mean precip.

529mm/an

Mean T°

5,1°C

Moisture idx

-0,30

Max snow

34%

Mean runoff

149mm/an

Mean elev. (basins)

129m

Watersheds crossing here

Lakes (2, top by area)

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

9,3%

Pesticides

3,4kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas4

IUCN III · 2IUCN II · 1IUCN IV · 1

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN