Cévennes [Aire D\'Adhésion]
IUCN VNational Park - Buffer zone/Area of adhesion · 1970
2 183 km²
Commune · FRA
Colognac
France
CsbTemperate, dry summer, warm summer(58 %)
Species observed
1 199
Observations
7 384
Area
12,4km²
Ecological tissue
Sample of 29 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 Colognac : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 6 bulles famille, 62 interactions GloBI documentées sur 5 types (connectance 15.3%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
29
Interactions affichées
62
Connectance
0.153
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
1 199 distinct species · 7 384 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,3°C
Annual rain
1 622mm
Warmest m°
26,2°C
Coldest m°
-0,4°C
Elevation: 605 m on average (min 358 m, max 820 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,3°C
Annual rain
1 622mm
Warmest month
26,2°C
Coldest month
-0,4°C
Mean alt.
605m
Min
358m
Max
820m
Std. dev.
115m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, 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
44,6g/kg
Clay
28,1%
Sand
30,1%
Silt
41,8%
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
73,8g/kg
Clay
28,0%
Sand
30,1%
Silt
41,9%
5–15 cm
pH H₂O
6,6
Org. C
35,0g/kg
Clay
27,4%
Sand
30,4%
Silt
42,3%
15–30 cm
pH H₂O
6,6
Org. C
25,1g/kg
Clay
29,0%
Sand
29,7%
Silt
41,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest68.7%
Crops11.6%
Built-up0.4%
Bare soil0.2%
Other (grassland, water…)19.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
3
Max drainage
2 621km²
Discharge in basins
0,2m³/s
Mean precip.
750mm/an
Mean T°
12,6°C
Moisture idx
-0,24
Max snow
6%
Mean runoff
539mm/an
Mean elev. (basins)
274m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
39,2%
Pesticides
18,7kg/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.