Ontologia

City · RUS

Arzamas

Russia

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

Species observed

66

Observations

94

Area

3,9km²

Ecological tissue

Sample of 28 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 Arzamas : 26 espèces reliées par 26 interactions GloBI sur 5 types (connectance 6.9%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
26
Connectance
0.069
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

66 distinct species · 94 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

94 obs · 1 cellules
Obs. / cellule
≥ 94
94–93
94–93
94–93
< 94

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

Climate

Mean T°

4,7°C

Annual rain

590mm

Warmest m°

23,3°C

Coldest m°

-12,1°C

Elevation: 169 m on average (min 164 m, max 173 m)

Bioclimatic detailsExpert
Annual mean temp.
4,7°C
Annual rain
590mm
Warmest month
23,3°C
Coldest month
-12,1°C
Mean alt.
169m
Min
164m
Max
173m
Std. dev.
2m
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

5,5

Org. C

62,2g/kg

Clay

27,9%

Sand

36,2%

Silt

35,9%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
88,3g/kg
Clay
26,2%
Sand
36,6%
Silt
37,1%
5–15 cm
pH H₂O
5,5
Org. C
56,0g/kg
Clay
28,0%
Sand
36,3%
Silt
35,7%
15–30 cm
pH H₂O
5,6
Org. C
42,4g/kg
Clay
29,5%
Sand
35,8%
Silt
34,7%

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

Land cover

Forest63.3%
Crops2.5%
Built-up0.8%
Bare soil0.0%
Other (grassland, water…)33.4%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

1 951km²

Discharge in basins

0,0m³/s

Mean precip.

581mm/an

Mean T°

4,1°C

Moisture idx

-0,09

Max snow

35%

Mean runoff

134mm/an

Mean elev. (basins)

152m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

2,9nW

Built-up

76,0%

Pesticides

3,4kg/km²

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