Ontologia

Commune · FRA

Vierville

France

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

Species observed

414

Observations

3 898

Area

6,7km²

Ecological tissue

Sample of 33 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 Vierville : 27 espèces reliées par 77 interactions GloBI sur 6 types (connectance 14.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
77
Connectance
0.146
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

414 distinct species · 3 898 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 898 obs · 1 cellules
Obs. / cellule
≥ 3 898
3 898–3 897
3 898–3 897
3 898–3 897
< 3 898

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

Climate

Mean T°

11,0°C

Annual rain

676mm

Warmest m°

23,5°C

Coldest m°

0,9°C

Elevation: 149 m on average (min 145 m, max 152 m)

Bioclimatic detailsExpert
Annual mean temp.
11,0°C
Annual rain
676mm
Warmest month
23,5°C
Coldest month
0,9°C
Mean alt.
149m
Min
145m
Max
152m
Std. dev.
2m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate

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

23,0g/kg

Clay

28,3%

Sand

9,6%

Silt

62,1%

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

Dominant lithology: scGLiMaggregated to Eure-et-Loir

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,7
Org. C
38,7g/kg
Clay
25,8%
Sand
9,9%
Silt
64,3%
5–15 cm
pH H₂O
7,0
Org. C
14,8g/kg
Clay
29,1%
Sand
8,9%
Silt
62,0%
15–30 cm
pH H₂O
7,0
Org. C
15,5g/kg
Clay
29,9%
Sand
10,1%
Silt
60,0%

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

Land cover

Forest0.1%
Crops96.8%
Built-up0.3%
Bare soil0.1%
Other (grassland, water…)2.7%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max stream order

1

Max drainage

1 958km²

Discharge in basins

0,0m³/s

Mean precip.

645mm/an

Mean T°

10,8°C

Moisture idx

-0,22

Max snow

5%

Mean runoff

194mm/an

Mean elev. (basins)

120m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,7nW

Built-up

26,0%

Pesticides

46,8kg/km²

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

France-specific data (Phase 2)

ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.