Ontologia

Commune · FRA

Villechien

France

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

Species observed

48

Observations

261

Area

10,9km²

Ecological tissue

Sample of 22 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 Villechien : 21 espèces reliées par 20 interactions GloBI sur 4 types (connectance 8.7%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
20
Connectance
0.087
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

48 distinct species · 261 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

261 obs · 1 cellules
Obs. / cellule
≥ 261
261–260
261–260
261–260
< 261

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

Climate

Mean T°

10,9°C

Annual rain

968mm

Warmest m°

21,8°C

Coldest m°

2,2°C

Elevation: 116 m on average (min 82 m, max 183 m)

Bioclimatic detailsExpert
Annual mean temp.
10,9°C
Annual rain
968mm
Warmest month
21,8°C
Coldest month
2,2°C
Mean alt.
116m
Min
82m
Max
183m
Std. dev.
21m
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

6,0

Org. C

38,3g/kg

Clay

20,7%

Sand

19,3%

Silt

60,0%

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

Dominant lithology: ssGLiMaggregated to Manche

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
59,4g/kg
Clay
19,8%
Sand
19,5%
Silt
60,7%
5–15 cm
pH H₂O
6,0
Org. C
31,5g/kg
Clay
20,6%
Sand
18,6%
Silt
60,8%
15–30 cm
pH H₂O
6,1
Org. C
24,1g/kg
Clay
21,7%
Sand
19,9%
Silt
58,5%

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

Land cover

Forest11.6%
Crops57.3%
Built-up0.8%
Bare soil0.2%
Other (grassland, water…)30.1%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,7km

Basins crossed

1

Max stream order

3

Max drainage

1 046km²

Discharge in basins

0,3m³/s

Mean precip.

766mm/an

Mean T°

10,6°C

Moisture idx

0,00

Max snow

6%

Mean runoff

668mm/an

Mean elev. (basins)

141m

Watersheds crossing here

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

0,0nW

Built-up

81,8%

Pesticides

30,2kg/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.