Cévennes [Aire D\'Adhésion]
IUCN VNational Park - Buffer zone/Area of adhesion · 1970
2 183 km²
Commune · FRA
Bessèges
France
CsaTemperate, dry summer, hot summer(59 %)
Species observed
819
Observations
2 922
Area
10,3km²
Ecological tissue
Sample of 43 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 Bessèges : 37 espèces + 6 bulles famille, 80 interactions GloBI documentées sur 4 types (connectance 8.9%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
43
Interactions affichées
80
Connectance
0.089
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
819 distinct species · 2 922 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,5°C
Annual rain
1 454mm
Warmest m°
28,2°C
Coldest m°
1,3°C
Elevation: 253 m on average (min 197 m, max 499 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,5°C
Annual rain
1 454mm
Warmest month
28,2°C
Coldest month
1,3°C
Mean alt.
253m
Min
197m
Max
499m
Std. dev.
48m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(59 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,6
Org. C
47,8g/kg
Clay
23,1%
Sand
34,2%
Silt
42,6%
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
6,5
Org. C
87,9g/kg
Clay
22,7%
Sand
34,1%
Silt
43,1%
5–15 cm
pH H₂O
6,6
Org. C
32,0g/kg
Clay
21,5%
Sand
34,6%
Silt
43,9%
15–30 cm
pH H₂O
6,6
Org. C
23,5g/kg
Clay
25,2%
Sand
34,0%
Silt
40,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest60.0%
Crops8.9%
Built-up2.4%
Bare soil0.6%
Other (grassland, water…)28.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
6,9km
Basins crossed
1
Max stream order
3
Max drainage
1 357km²
Discharge in basins
0,2m³/s
Mean precip.
767mm/an
Mean T°
12,2°C
Moisture idx
-0,20
Max snow
6%
Mean runoff
486mm/an
Mean elev. (basins)
303m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
2,4nW
Built-up
238,3%
Pesticides
36,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 1IUCN Not Reported · 1
Hautes vallées de la Cèze et du Luech
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
127 km²
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.