Cévennes [Aire D\'Adhésion]
IUCN VNational Park - Buffer zone/Area of adhesion · 1970
2 183 km²
Commune · FRA
Le Vigan
France
CsaTemperate, dry summer, hot summer(77 %)
Species observed
2 004
Observations
8 498
Area
17,2km²
Ecological tissue
Sample of 39 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 Le Vigan : 36 espèces + 3 bulles famille, 72 interactions GloBI documentées sur 5 types (connectance 9.7%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
39
Interactions affichées
72
Connectance
0.097
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
2 004 distinct species · 8 498 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,7°C
Annual rain
1 239mm
Warmest m°
27,4°C
Coldest m°
1,1°C
Elevation: 338 m on average (min 265 m, max 536 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,7°C
Annual rain
1 239mm
Warmest month
27,4°C
Coldest month
1,1°C
Mean alt.
338m
Min
265m
Max
536m
Std. dev.
73m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(77 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,8
Org. C
64,1g/kg
Clay
24,7%
Sand
30,7%
Silt
44,7%
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
6,7
Org. C
108,6g/kg
Clay
23,0%
Sand
31,5%
Silt
45,6%
5–15 cm
pH H₂O
6,8
Org. C
51,6g/kg
Clay
22,9%
Sand
31,3%
Silt
45,8%
15–30 cm
pH H₂O
6,8
Org. C
32,2g/kg
Clay
28,1%
Sand
29,2%
Silt
42,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest62.4%
Crops10.2%
Built-up2.1%
Bare soil0.5%
Other (grassland, water…)24.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
8,3km
Basins crossed
1
Max stream order
3
Max drainage
2 621km²
Discharge in basins
0,4m³/s
Mean precip.
734mm/an
Mean T°
12,5°C
Moisture idx
-0,24
Max snow
4%
Mean runoff
650mm/an
Mean elev. (basins)
368m
Watersheds crossing here
Rivers / streams (4, 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
206,8%
Pesticides
0,5kg/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.