Cévennes [Aire D\'Adhésion]
IUCN VNational Park - Buffer zone/Area of adhesion · 1970
2 183 km²
Subdivision · FRA
Alès-Nord-Est
France
CsaTemperate, dry summer, hot summer(89 %)
Species observed
1 032
Observations
8 206
Area
60,6km²
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 Alès-Nord-Est : 32 espèces + 5 bulles famille, 82 interactions GloBI documentées sur 5 types (connectance 12.3%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
37
Interactions affichées
82
Connectance
0.123
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
1 032 distinct species · 8 206 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,6°C
Annual rain
1 275mm
Warmest m°
28,6°C
Coldest m°
1,3°C
Elevation: 241 m on average (min 150 m, max 397 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,6°C
Annual rain
1 275mm
Warmest month
28,6°C
Coldest month
1,3°C
Mean alt.
241m
Min
150m
Max
397m
Std. dev.
64m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(89 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,9
Org. C
42,6g/kg
Clay
23,9%
Sand
31,5%
Silt
44,6%
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
6,9
Org. C
71,3g/kg
Clay
23,0%
Sand
31,8%
Silt
45,2%
5–15 cm
pH H₂O
7,0
Org. C
31,4g/kg
Clay
22,7%
Sand
31,2%
Silt
46,1%
15–30 cm
pH H₂O
7,0
Org. C
25,2g/kg
Clay
25,9%
Sand
31,4%
Silt
42,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest36.6%
Crops15.2%
Built-up2.5%
Bare soil1.9%
Other (grassland, water…)43.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
16,8km
Basins crossed
2
Max stream order
3
Max drainage
1 993km²
Discharge in basins
1,1m³/s
Mean precip.
754mm/an
Mean T°
12,4°C
Moisture idx
-0,22
Max snow
6%
Mean runoff
527mm/an
Mean elev. (basins)
301m
Watersheds crossing here
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,0nW
Built-up
244,9%
Pesticides
41,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 1IUCN IV · 1
Vallée De L\'Avène
IUCN IVBiotope Protection Order · 1991
3 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
Sub-administrations3
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.