Causses Du Quercy
IUCN VRegional Nature Park · 1999
1 832 km²
Commune · FRA
France
Species observed
1 069
Observations
11 570
Area
26,9km²
Sample of 30 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).
Tissu écologique de Marcilhac-sur-Célé : 22 espèces reliées par 82 interactions GloBI sur 5 types (connectance 17.6%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
1 069 distinct species · 11 570 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
12,6°C
Annual rain
941mm
Warmest m°
25,7°C
Coldest m°
1,7°C
Elevation: 270 m on average (min 204 m, max 353 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,7
Org. C
35,5g/kg
Clay
31,5%
Sand
23,5%
Silt
45,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Lot
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
4,7km
Basins crossed
2
Max stream order
4
Max drainage
7 394km²
Discharge in basins
0,4m³/s
Mean precip.
805mm/an
Mean T°
11,5°C
Moisture idx
-0,16
Max snow
3%
Mean runoff
450mm/an
Mean elev. (basins)
407m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
0hab/km²
Built-up
22,1%
Pesticides
19,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Regional Nature Park · 1999
1 832 km²
Special Areas of Conservation (Habitats Directive) · 2016
47 km²
Biotope Protection Order · 2018
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.