Grands Causses
IUCN VRegional Nature Park · 1995
3 807 km²
Commune · FRA
Sévérac-le-Château
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
3 288
Observations
58 830
Area
108,8km²
Ecological tissue
Sample of 32 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 Sévérac-le-Château : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 108 interactions GloBI sur 6 types (connectance 19.3%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
34
Interactions affichées
108
Connectance
0.193
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
3 288 distinct species · 58 830 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,5°C
Annual rain
1 089mm
Warmest m°
23,0°C
Coldest m°
-1,4°C
Elevation: 812 m on average (min 520 m, max 1 039 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,5°C
Annual rain
1 089mm
Warmest month
23,0°C
Coldest month
-1,4°C
Mean alt.
812m
Min
520m
Max
1 039m
Std. dev.
80m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)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
40,4g/kg
Clay
30,7%
Sand
29,1%
Silt
40,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Aveyron
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,7
Org. C
60,1g/kg
Clay
29,8%
Sand
29,3%
Silt
40,9%
5–15 cm
pH H₂O
6,9
Org. C
37,7g/kg
Clay
30,4%
Sand
29,0%
Silt
40,7%
15–30 cm
pH H₂O
6,9
Org. C
23,3g/kg
Clay
32,0%
Sand
29,0%
Silt
39,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest22.5%
Crops35.6%
Built-up0.4%
Bare soil1.4%
Other (grassland, water…)40.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
23,8km
Basins crossed
3
Max stream order
2
Max drainage
1 541km²
Discharge in basins
4,3m³/s
Mean precip.
775mm/an
Mean T°
11,1°C
Moisture idx
-0,18
Max snow
6%
Mean runoff
448mm/an
Mean elev. (basins)
610m
Watersheds crossing here
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
40,2%
Pesticides
47,4kg/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.