Ontologia

Commune · FRA

Saint-Hilaire-de-Brethmas

France

CsaTemperate, dry summer, hot summer(100 %)

Species observed

860

Observations

3 948

Area

13,9km²

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 Saint-Hilaire-de-Brethmas : 33 espèces + 4 bulles famille, 87 interactions GloBI documentées sur 5 types (connectance 13.1%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
37
Interactions affichées
87
Connectance
0.131
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

860 distinct species · 3 948 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 958 obs · 10 cellules · 1799–2026
Obs. / cellule
≥ 1 134
1 134–1 133
661–1 133
261–660
< 261

Source : GBIF — observations agrégées par hexagones 0.02° × 0.02° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

14,2°C

Annual rain

1 046mm

Warmest m°

29,8°C

Coldest m°

1,4°C

Elevation: 134 m on average (min 109 m, max 173 m)

Bioclimatic detailsExpert
Annual mean temp.
14,2°C
Annual rain
1 046mm
Warmest month
29,8°C
Coldest month
1,4°C
Mean alt.
134m
Min
109m
Max
173m
Std. dev.
13m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(100 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,6

Org. C

29,9g/kg

Clay

22,9%

Sand

30,1%

Silt

47,0%

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

Dominant lithology: scGLiMaggregated to Gard

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,5
Org. C
45,2g/kg
Clay
21,5%
Sand
30,9%
Silt
47,7%
5–15 cm
pH H₂O
7,6
Org. C
22,4g/kg
Clay
21,1%
Sand
30,1%
Silt
48,8%
15–30 cm
pH H₂O
7,6
Org. C
21,9g/kg
Clay
26,2%
Sand
29,4%
Silt
44,4%

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

Land cover

Forest10.8%
Crops34.0%
Built-up4.2%
Bare soil2.2%
Other (grassland, water…)48.9%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

5,9km

Basins crossed

1

Max stream order

3

Max drainage

1 993km²

Discharge in basins

0,3m³/s

Mean precip.

751mm/an

Mean T°

12,4°C

Moisture idx

-0,23

Max snow

6%

Mean runoff

537mm/an

Mean elev. (basins)

301m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

1,8nW

Built-up

420,0%

Pesticides

42,3kg/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.