Ontologia

Commune · FRA

Saint-Gildas-des-Bois

France

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

Species observed

836

Observations

2 338

Area

33,4km²

Ecological tissue

Sample of 42 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-Gildas-des-Bois : 38 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 4 bulles famille, 94 interactions GloBI documentées sur 4 types (connectance 10.9%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
42
Interactions affichées
94
Connectance
0.109
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

836 distinct species · 2 338 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 338 obs · 1 cellules
Obs. / cellule
≥ 2 338
2 338–2 337
2 338–2 337
2 338–2 337
< 2 338

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

Climate

Mean T°

12,1°C

Annual rain

868mm

Warmest m°

23,0°C

Coldest m°

3,0°C

Elevation: 24 m on average (min 2 m, max 64 m)

Bioclimatic detailsExpert
Annual mean temp.
12,1°C
Annual rain
868mm
Warmest month
23,0°C
Coldest month
3,0°C
Mean alt.
24m
Min
2m
Max
64m
Std. dev.
16m
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

5,8

Org. C

37,1g/kg

Clay

20,1%

Sand

30,0%

Silt

49,9%

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
5,8
Org. C
59,4g/kg
Clay
18,6%
Sand
30,1%
Silt
51,2%
5–15 cm
pH H₂O
5,8
Org. C
29,1g/kg
Clay
20,6%
Sand
29,1%
Silt
50,3%
15–30 cm
pH H₂O
5,8
Org. C
22,8g/kg
Clay
21,1%
Sand
30,8%
Silt
48,1%

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

Land cover

Forest17.0%
Crops44.8%
Built-up1.3%
Bare soil0.2%
Other (grassland, water…)36.6%

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

Hydrology2 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

9,0km

Lake surface here

0,13km²

Basins crossed

2

Max stream order

1

Max drainage

1 138km²

Discharge in basins

0,0m³/s

Mean precip.

813mm/an

Mean T°

11,7°C

Moisture idx

0,04

Max snow

5%

Mean runoff

526mm/an

Mean elev. (basins)

17m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,4nW

Built-up

133,9%

Pesticides

43,9kg/km²

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

Protected areas2

IUCN V · 1IUCN Not Reported · 1🌊 Marine · 1

Brière

IUCN V

Regional Nature Park · 1970

566 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

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.