Ontologia

Subdivision · FRA

Alès-Sud-Est

France

CsaTemperate, dry summer, hot summer(93 %)

Species observed

1 383

Observations

12 923

Area

80,6km²

Ecological tissue

Sample of 40 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 Alès-Sud-Est : 35 espèces + 5 bulles famille, 78 interactions GloBI documentées sur 5 types (connectance 10.0%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
40
Interactions affichées
78
Connectance
0.100
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

1 383 distinct species · 12 923 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

13 083 obs · 36 cellules · 1785–2026
Obs. / cellule
≥ 1 836
1 225–1 835
285–1 224
261–284
< 261

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

Climate

Mean T°

14,0°C

Annual rain

1 096mm

Warmest m°

29,4°C

Coldest m°

1,4°C

Elevation: 170 m on average (min 109 m, max 223 m)

Bioclimatic detailsExpert
Annual mean temp.
14,0°C
Annual rain
1 096mm
Warmest month
29,4°C
Coldest month
1,4°C
Mean alt.
170m
Min
109m
Max
223m
Std. dev.
24m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(93 %)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

34,0g/kg

Clay

23,1%

Sand

31,3%

Silt

45,6%

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
54,3g/kg
Clay
22,1%
Sand
32,0%
Silt
46,0%
5–15 cm
pH H₂O
7,6
Org. C
24,6g/kg
Clay
21,6%
Sand
31,1%
Silt
47,3%
15–30 cm
pH H₂O
7,6
Org. C
23,2g/kg
Clay
25,7%
Sand
30,8%
Silt
43,4%

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

Land cover

Forest16.0%
Crops33.0%
Built-up2.8%
Bare soil2.2%
Other (grassland, water…)46.0%

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

Hydrology2 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

21,5km

Basins crossed

2

Max stream order

3

Max drainage

1 993km²

Discharge in basins

1,4m³/s

Mean precip.

755mm/an

Mean T°

12,3°C

Moisture idx

-0,22

Max snow

6%

Mean runoff

524mm/an

Mean elev. (basins)

302m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

2,2nW

Built-up

278,8%

Pesticides

42,5kg/km²

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

Sub-administrations5

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.