Causses Du Quercy
IUCN VRegional Nature Park · 1999
1 832 km²
Commune · FRA
Saint-Chels
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
804
Observations
2 884
Area
17,9km²
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 Saint-Chels : 31 espèces + 4 bulles famille, 62 interactions GloBI documentées sur 5 types (connectance 10.4%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
35
Interactions affichées
62
Connectance
0.104
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
804 distinct species · 2 884 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,3°C
Annual rain
977mm
Warmest m°
25,5°C
Coldest m°
1,5°C
Elevation: 317 m on average (min 233 m, max 353 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,3°C
Annual rain
977mm
Warmest month
25,5°C
Coldest month
1,5°C
Mean alt.
317m
Min
233m
Max
353m
Std. dev.
36m
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
37,4g/kg
Clay
31,2%
Sand
22,5%
Silt
46,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Lot
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,5
Org. C
60,6g/kg
Clay
29,8%
Sand
22,4%
Silt
47,8%
5–15 cm
pH H₂O
6,6
Org. C
32,3g/kg
Clay
31,1%
Sand
21,8%
Silt
47,2%
15–30 cm
pH H₂O
6,6
Org. C
19,1g/kg
Clay
32,7%
Sand
23,4%
Silt
43,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest28.9%
Crops32.4%
Built-up0.3%
Bare soil1.8%
Other (grassland, water…)36.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
2
Max drainage
7 394km²
Discharge in basins
1,0m³/s
Mean precip.
792mm/an
Mean T°
11,8°C
Moisture idx
-0,18
Max snow
3%
Mean runoff
423mm/an
Mean elev. (basins)
373m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
30,6%
Pesticides
34,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN V · 1IUCN Not Reported · 1IUCN III · 1
Basse vallée du Célé
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
47 km²
Lot
IUCN IIINational Nature Reserve · 2015
8 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.