Cévennes [Aire D\'Adhésion]
IUCN VNational Park - Buffer zone/Area of adhesion · 1970
2 183 km²
Commune · FRA
L'Estréchure
France
CfbTemperate, no dry season, warm summer(58 %)
Species observed
1 349
Observations
6 621
Area
19,6km²
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 L'Estréchure : 32 espèces + 3 bulles famille, 67 interactions GloBI documentées sur 5 types (connectance 11.3%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
35
Interactions affichées
67
Connectance
0.113
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
1 349 distinct species · 6 621 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,7°C
Annual rain
1 608mm
Warmest m°
26,5°C
Coldest m°
0,1°C
Elevation: 537 m on average (min 354 m, max 948 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,7°C
Annual rain
1 608mm
Warmest month
26,5°C
Coldest month
0,1°C
Mean alt.
537m
Min
354m
Max
948m
Std. dev.
157m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(58 %)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
49,7g/kg
Clay
28,8%
Sand
31,6%
Silt
39,7%
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
6,5
Org. C
84,8g/kg
Clay
28,4%
Sand
31,9%
Silt
39,8%
5–15 cm
pH H₂O
6,6
Org. C
37,7g/kg
Clay
28,2%
Sand
31,7%
Silt
40,1%
15–30 cm
pH H₂O
6,6
Org. C
26,7g/kg
Clay
29,7%
Sand
31,2%
Silt
39,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest77.9%
Crops4.2%
Built-up0.2%
Bare soil0.1%
Other (grassland, water…)17.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology
Computing basins, lakes, rivers…
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
19,2%
Pesticides
0,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 1IUCN Not Reported · 1
Vallée du Gardon de Saint-Jean
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
190 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.