Ontologia

Commune · FRA

Arrigas

France

CsbTemperate, dry summer, warm summer(67 %)

Species observed

1 510

Observations

7 540

Area

19,9km²

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 Arrigas : 34 espèces + 3 bulles famille, 60 interactions GloBI documentées sur 6 types (connectance 9.0%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
37
Interactions affichées
60
Connectance
0.090
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

1 510 distinct species · 7 540 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 542 obs · 1 cellules
Obs. / cellule
≥ 7 542
7 542–7 541
7 542–7 541
7 542–7 541
< 7 542

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

Climate

Mean T°

10,1°C

Annual rain

1 353mm

Warmest m°

24,1°C

Coldest m°

-1,1°C

Elevation: 775 m on average (min 440 m, max 1 296 m)

Bioclimatic detailsExpert
Annual mean temp.
10,1°C
Annual rain
1 353mm
Warmest month
24,1°C
Coldest month
-1,1°C
Mean alt.
775m
Min
440m
Max
1 296m
Std. dev.
251m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, warm summer(67 %)Temperate

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

Soil & lithology

pH H₂O

6,7

Org. C

51,3g/kg

Clay

29,5%

Sand

29,6%

Silt

40,9%

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
6,6
Org. C
81,2g/kg
Clay
28,8%
Sand
30,3%
Silt
41,0%
5–15 cm
pH H₂O
6,7
Org. C
44,3g/kg
Clay
28,8%
Sand
29,9%
Silt
41,2%
15–30 cm
pH H₂O
6,7
Org. C
28,6g/kg
Clay
30,8%
Sand
28,6%
Silt
40,5%

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

Land cover

Forest57.9%
Crops18.1%
Built-up0.2%
Bare soil0.7%
Other (grassland, water…)23.0%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

3,1km

Basins crossed

2

Max stream order

2

Max drainage

2 621km²

Discharge in basins

0,5m³/s

Mean precip.

734mm/an

Mean T°

12,5°C

Moisture idx

-0,24

Max snow

8%

Mean runoff

650mm/an

Mean elev. (basins)

370m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Built-up

18,8%

Pesticides

45,1kg/km²

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

Protected areas7

IUCN Not Reported · 4IUCN V · 1IUCN II · 1IUCN Ia · 1

Cévennes

IUCN II

National Park - Core Area · 1970

938 km²

Les Cévennes

IUCN Not Reported

Special Protection Area (Birds Directive) · 2020

915 km²

Causse de Blandas

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2010

79 km²

Complete list

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.