Grands Causses
IUCN VRegional Nature Park · 1995
3 807 km²
Commune · FRA
Brasc
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
796
Observations
5 806
Area
21,2km²
Ecological tissue
Sample of 33 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 Brasc : 29 espèces + 4 bulles famille, 51 interactions GloBI documentées sur 5 types (connectance 9.7%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
33
Interactions affichées
51
Connectance
0.097
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
796 distinct species · 5 806 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,4°C
Annual rain
1 095mm
Warmest m°
24,8°C
Coldest m°
0,6°C
Elevation: 496 m on average (min 324 m, max 584 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,4°C
Annual rain
1 095mm
Warmest month
24,8°C
Coldest month
0,6°C
Mean alt.
496m
Min
324m
Max
584m
Std. dev.
72m
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
6,6
Org. C
40,3g/kg
Clay
24,8%
Sand
34,3%
Silt
40,9%
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
6,5
Org. C
68,6g/kg
Clay
23,3%
Sand
34,9%
Silt
41,8%
5–15 cm
pH H₂O
6,6
Org. C
30,1g/kg
Clay
23,5%
Sand
34,9%
Silt
41,7%
15–30 cm
pH H₂O
6,6
Org. C
22,2g/kg
Clay
27,7%
Sand
33,0%
Silt
39,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest42.3%
Crops27.7%
Built-up0.4%
Bare soil0.6%
Other (grassland, water…)29.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
2,8km
Basins crossed
2
Max stream order
5
Max drainage
3 780km²
Discharge in basins
4,7m³/s
Mean precip.
776mm/an
Mean T°
11,6°C
Moisture idx
-0,19
Max snow
5%
Mean runoff
480mm/an
Mean elev. (basins)
569m
Watersheds crossing here
Rivers / streams (1, 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
35,5%
Pesticides
29,1kg/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.