Ontologia

Commune · FRA

Villiers-sur-Loir

France

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

Species observed

947

Observations

16 495

Area

10,1km²

Ecological tissue

Sample of 36 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 Villiers-sur-Loir : 23 espèces reliées par 97 interactions GloBI sur 6 types (connectance 15.4%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
97
Connectance
0.154
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

947 distinct species · 16 495 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

16 495 obs · 1 cellules
Obs. / cellule
≥ 16 495
16 495–16 494
16 495–16 494
16 495–16 494
< 16 495

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

Climate

Mean T°

11,4°C

Annual rain

658mm

Warmest m°

23,8°C

Coldest m°

1,4°C

Elevation: 108 m on average (min 76 m, max 135 m)

Bioclimatic detailsExpert
Annual mean temp.
11,4°C
Annual rain
658mm
Warmest month
23,8°C
Coldest month
1,4°C
Mean alt.
108m
Min
76m
Max
135m
Std. dev.
20m
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

6,6

Org. C

22,6g/kg

Clay

24,8%

Sand

22,3%

Silt

52,9%

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

Dominant lithology: scGLiMaggregated to Loir-et-Cher

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
38,2g/kg
Clay
23,5%
Sand
22,6%
Silt
53,8%
5–15 cm
pH H₂O
6,8
Org. C
16,5g/kg
Clay
25,1%
Sand
21,6%
Silt
53,2%
15–30 cm
pH H₂O
6,7
Org. C
13,2g/kg
Clay
25,9%
Sand
22,5%
Silt
51,6%

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

Land cover

Forest9.1%
Crops63.7%
Built-up1.4%
Bare soil0.6%
Other (grassland, water…)25.2%

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

Hydrology1 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

2,3km

Lake surface here

0,19km²

Basins crossed

1

Max stream order

5

Max drainage

4 653km²

Discharge in basins

0,1m³/s

Mean precip.

655mm/an

Mean T°

10,7°C

Moisture idx

-0,22

Max snow

5%

Mean runoff

205mm/an

Mean elev. (basins)

138m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

0,5nW

Built-up

143,4%

Pesticides

44,6kg/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.