Cévennes [Aire D\'Adhésion]
IUCN VNational Park - Buffer zone/Area of adhesion · 1970
2 183 km²
Commune · FRA
Alès
France
CsaTemperate, dry summer, hot summer(100 %)
Species observed
1 455
Observations
23 969
Area
23,7km²
Ecological tissue
Sample of 35 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 : 30 espèces + 5 bulles famille, 66 interactions GloBI documentées sur 5 types (connectance 11.1%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
35
Interactions affichées
66
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
1 455 distinct species · 23 969 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,0°C
Annual rain
1 182mm
Warmest m°
29,4°C
Coldest m°
1,5°C
Elevation: 155 m on average (min 121 m, max 216 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
14,0°C
Annual rain
1 182mm
Warmest month
29,4°C
Coldest month
1,5°C
Mean alt.
155m
Min
121m
Max
216m
Std. dev.
24m
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
7,2
Org. C
40,9g/kg
Clay
22,0%
Sand
30,6%
Silt
47,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Gard
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,2
Org. C
69,9g/kg
Clay
20,9%
Sand
31,0%
Silt
48,1%
5–15 cm
pH H₂O
7,2
Org. C
30,4g/kg
Clay
20,3%
Sand
30,3%
Silt
49,3%
15–30 cm
pH H₂O
7,2
Org. C
22,5g/kg
Clay
24,7%
Sand
30,5%
Silt
44,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest8.9%
Crops6.5%
Built-up13.3%
Bare soil1.1%
Other (grassland, water…)70.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
9,5km
Basins crossed
1
Max stream order
3
Max drainage
1 993km²
Discharge in basins
0,4m³/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
Rivers / streams (5, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
11hab/km²
Night light
6,9nW
Built-up
1 330,2%
Pesticides
42,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN V · 1
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.