Ontologia

Commune · FRA

Saint-Hilaire-de-Chaléons

France

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

Species observed

1 836

Observations

161 188

Area

35,2km²

Ecological tissue

Sample of 44 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 Saint-Hilaire-de-Chaléons : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 104 interactions GloBI sur 5 types (connectance 11.0%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
104
Connectance
0.110
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

1 836 distinct species · 161 188 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

161 188 obs · 5 cellules
Obs. / cellule
≥ 133 806
133 806–133 805
20 400–133 805
3 695–20 399
< 3 695

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

Climate

Mean T°

12,4°C

Annual rain

826mm

Warmest m°

23,1°C

Coldest m°

3,2°C

Elevation: 18 m on average (min 10 m, max 38 m)

Bioclimatic detailsExpert
Annual mean temp.
12,4°C
Annual rain
826mm
Warmest month
23,1°C
Coldest month
3,2°C
Mean alt.
18m
Min
10m
Max
38m
Std. dev.
6m
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

40,8g/kg

Clay

21,9%

Sand

36,0%

Silt

42,1%

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

Dominant lithology: ssGLiMaggregated to Loire-Atlantique

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
68,4g/kg
Clay
21,1%
Sand
35,9%
Silt
42,9%
5–15 cm
pH H₂O
5,9
Org. C
30,6g/kg
Clay
20,8%
Sand
35,7%
Silt
43,5%
15–30 cm
pH H₂O
6,0
Org. C
23,3g/kg
Clay
23,8%
Sand
36,3%
Silt
39,9%

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

Land cover

Forest13.2%
Crops50.3%
Built-up1.1%
Bare soil0.6%
Other (grassland, water…)34.9%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

6,4km

Basins crossed

2

Max stream order

2

Max drainage

1 307km²

Discharge in basins

0,6m³/s

Mean precip.

799mm/an

Mean T°

11,7°C

Moisture idx

-0,02

Max snow

5%

Mean runoff

531mm/an

Mean elev. (basins)

32m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

108,8%

Pesticides

43,0kg/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.