Ontologia

Commune · FRA

Fréteval

France

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

Species observed

1 083

Observations

10 408

Area

20,6km²

Ecological tissue

Sample of 37 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 Fréteval : 33 espèces + 4 bulles famille, 65 interactions GloBI documentées sur 5 types (connectance 9.8%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
37
Interactions affichées
65
Connectance
0.098
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

1 083 distinct species · 10 408 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 408 obs · 1 cellules
Obs. / cellule
≥ 10 408
10 408–10 407
10 408–10 407
10 408–10 407
< 10 408

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

Climate

Mean T°

11,3°C

Annual rain

680mm

Warmest m°

23,7°C

Coldest m°

1,2°C

Elevation: 127 m on average (min 95 m, max 144 m)

Bioclimatic detailsExpert
Annual mean temp.
11,3°C
Annual rain
680mm
Warmest month
23,7°C
Coldest month
1,2°C
Mean alt.
127m
Min
95m
Max
144m
Std. dev.
19m
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

6,4

Org. C

27,9g/kg

Clay

25,1%

Sand

20,9%

Silt

54,1%

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
6,3
Org. C
51,4g/kg
Clay
23,9%
Sand
21,5%
Silt
54,6%
5–15 cm
pH H₂O
6,6
Org. C
20,3g/kg
Clay
24,9%
Sand
20,0%
Silt
55,1%
15–30 cm
pH H₂O
6,5
Org. C
12,1g/kg
Clay
26,5%
Sand
21,0%
Silt
52,5%

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

Land cover

Forest18.2%
Crops63.9%
Built-up0.7%
Bare soil0.4%
Other (grassland, water…)16.9%

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

Hydrology1 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,0km

Lake surface here

0,12km²

Basins crossed

1

Max stream order

5

Max drainage

4 653km²

Discharge in basins

0,3m³/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

0hab/km²

Night light

0,1nW

Built-up

65,3%

Pesticides

44,2kg/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.