Ontologia

Commune · FRA

Le Garn

France

CfaTemperate, no dry season, hot summer(100 %)

Species observed

523

Observations

1 350

Area

10,9km²

Ecological tissue

Sample of 28 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 Le Garn : 24 espèces + 4 bulles famille, 42 interactions GloBI documentées sur 5 types (connectance 11.1%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
28
Interactions affichées
42
Connectance
0.111
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

523 distinct species · 1 350 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 389 obs · 9 cellules · 1899–2026
Obs. / cellule
≥ 1 040
1 040–1 039
68–1 039
57–67
< 57

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

Climate

Mean T°

13,3°C

Annual rain

1 020mm

Warmest m°

28,3°C

Coldest m°

0,8°C

Elevation: 309 m on average (min 218 m, max 375 m)

Bioclimatic detailsExpert
Annual mean temp.
13,3°C
Annual rain
1 020mm
Warmest month
28,3°C
Coldest month
0,8°C
Mean alt.
309m
Min
218m
Max
375m
Std. dev.
46m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, 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

6,8

Org. C

43,2g/kg

Clay

31,0%

Sand

26,3%

Silt

42,7%

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
6,7
Org. C
73,8g/kg
Clay
31,1%
Sand
26,6%
Silt
42,3%
5–15 cm
pH H₂O
6,8
Org. C
34,6g/kg
Clay
30,6%
Sand
26,1%
Silt
43,3%
15–30 cm
pH H₂O
6,7
Org. C
21,3g/kg
Clay
31,4%
Sand
26,3%
Silt
42,4%

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

Land cover

Forest38.7%
Crops24.9%
Built-up0.6%
Bare soil1.7%
Other (grassland, water…)34.1%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

2 394km²

Discharge in basins

0,2m³/s

Mean precip.

793mm/an

Mean T°

10,8°C

Moisture idx

-0,13

Max snow

9%

Mean runoff

509mm/an

Mean elev. (basins)

508m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,5nW

Built-up

62,6%

Pesticides

41,9kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN IV · 1

Basse Ardèche

IUCN Not Reported

Special Protection Area (Birds Directive) · 2018

60 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.