Ontologia

Commune · FRA

Sardan

France

CsaTemperate, dry summer, hot summer(100 %)

Species observed

1 352

Observations

7 980

Area

6,3km²

Ecological tissue

Sample of 51 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 Sardan : 49 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 2 bulles famille, 97 interactions GloBI documentées sur 5 types (connectance 7.6%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
51
Interactions affichées
97
Connectance
0.076
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

1 352 distinct species · 7 980 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 980 obs · 1 cellules
Obs. / cellule
≥ 7 980
7 980–7 979
7 980–7 979
7 980–7 979
< 7 980

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

Climate

Mean T°

14,6°C

Annual rain

873mm

Warmest m°

30,5°C

Coldest m°

1,6°C

Elevation: 78 m on average (min 64 m, max 114 m)

Bioclimatic detailsExpert
Annual mean temp.
14,6°C
Annual rain
873mm
Warmest month
30,5°C
Coldest month
1,6°C
Mean alt.
78m
Min
64m
Max
114m
Std. dev.
17m
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

7,1

Org. C

32,9g/kg

Clay

29,2%

Sand

24,7%

Silt

46,2%

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
7,1
Org. C
54,7g/kg
Clay
28,1%
Sand
25,2%
Silt
46,7%
5–15 cm
pH H₂O
7,1
Org. C
26,2g/kg
Clay
28,2%
Sand
24,3%
Silt
47,5%
15–30 cm
pH H₂O
7,1
Org. C
17,8g/kg
Clay
31,3%
Sand
24,5%
Silt
44,3%

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

Land cover

Forest31.4%
Crops23.3%
Built-up0.6%
Bare soil2.7%
Other (grassland, water…)41.9%

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

Hydrology

Computing basins, lakes, rivers…

Human pressure

Pop. density

0hab/km²

Night light

0,5nW

Built-up

63,3%

Pesticides

40,6kg/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.