Ontologia

District · RUS

Varnavinskiy rayon

Russia

DfbCold, no dry season, warm summer(100 %)

Species observed

345

Observations

700

Area

2 517,6km²

Ecological tissue

Sample of 54 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 Varnavinskiy rayon : 41 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 88 interactions GloBI sur 6 types (connectance 6.1%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
54
Interactions affichées
88
Connectance
0.061
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

345 distinct species · 700 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

700 obs · 35 cellules
Obs. / cellule
≥ 271
30–270
10–29
4–9
< 4

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

Climate

Mean T°

3,9°C

Annual rain

667mm

Warmest m°

22,7°C

Coldest m°

-13,1°C

Elevation: 126 m on average (min 78 m, max 187 m)

Bioclimatic detailsExpert
Annual mean temp.
3,9°C
Annual rain
667mm
Warmest month
22,7°C
Coldest month
-13,1°C
Mean alt.
126m
Min
78m
Max
187m
Std. dev.
25m
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

5,2

Org. C

102,6g/kg

Clay

21,0%

Sand

44,9%

Silt

34,1%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
143,4g/kg
Clay
20,2%
Sand
44,7%
Silt
35,1%
5–15 cm
pH H₂O
5,2
Org. C
113,0g/kg
Clay
21,1%
Sand
45,3%
Silt
33,6%
15–30 cm
pH H₂O
5,4
Org. C
51,4g/kg
Clay
21,8%
Sand
44,7%
Silt
33,5%

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

Land cover

Forest85.3%
Crops2.5%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)12.2%

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

Hydrology12 basins · 5 lakes · 25 rivers

Hydrology metrics for this exact territory

Stream length here

464,2km

Lake surface here

1,40km²

Basins crossed

12

Max stream order

5

Max drainage

28 140km²

Discharge in basins

219,6m³/s

Mean precip.

614mm/an

Mean T°

3,3°C

Moisture idx

0,02

Max snow

48%

Mean runoff

146mm/an

Mean elev. (basins)

131m

Watersheds crossing here

3 more basins

Lakes (5, top by area)

Rivers / streams (25, ord ≥ 4)

13 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

1,8%

Pesticides

2,0kg/km²

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

Protected areas12

IUCN III · 11IUCN IV · 1
Complete list

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