Cévennes [Aire D\'Adhésion]
IUCN VNational Park - Buffer zone/Area of adhesion · 1970
2 183 km²
Commune · FRA
Chadenet
France
CfbTemperate, no dry season, warm summer(95 %)
Species observed
1 527
Observations
17 819
Area
13,2km²
Ecological tissue
Sample of 28 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 Chadenet : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 68 interactions GloBI documentées sur 4 types (connectance 18.0%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
28
Interactions affichées
68
Connectance
0.180
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 527 distinct species · 17 819 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,3°C
Annual rain
1 217mm
Warmest m°
21,9°C
Coldest m°
-2,9°C
Elevation: 1 041 m on average (min 944 m, max 1 345 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
8,3°C
Annual rain
1 217mm
Warmest month
21,9°C
Coldest month
-2,9°C
Mean alt.
1 041m
Min
944m
Max
1 345m
Std. dev.
78m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(95 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,4
Org. C
55,9g/kg
Clay
26,7%
Sand
37,7%
Silt
35,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Lozère
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,3
Org. C
86,5g/kg
Clay
25,7%
Sand
38,3%
Silt
36,0%
5–15 cm
pH H₂O
6,4
Org. C
48,7g/kg
Clay
25,4%
Sand
38,9%
Silt
35,8%
15–30 cm
pH H₂O
6,4
Org. C
32,6g/kg
Clay
29,1%
Sand
36,1%
Silt
34,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest57.0%
Crops16.1%
Built-up0.2%
Bare soil0.8%
Other (grassland, water…)25.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
5,3km
Basins crossed
1
Max stream order
3
Max drainage
623km²
Discharge in basins
0,2m³/s
Mean precip.
814mm/an
Mean T°
8,1°C
Moisture idx
0,00
Max snow
15%
Mean runoff
546mm/an
Mean elev. (basins)
1 050m
Watersheds crossing here
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
19,0%
Pesticides
45,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN Not Reported · 3IUCN V · 1IUCN II · 1
Cévennes
IUCN IINational Park - Core Area · 1970
938 km²
Les Cévennes
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2020
915 km²
Mont Lozère
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
117 km²
Valdonnez
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
50 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.