Causses Du Quercy
IUCN VRegional Nature Park · 1999
1 832 km²
Commune · FRA
Varaire
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
860
Observations
2 949
Area
25,9km²
Ecological tissue
Sample of 39 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 Varaire : 34 espèces + 5 bulles famille, 102 interactions GloBI documentées sur 5 types (connectance 13.8%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
39
Interactions affichées
102
Connectance
0.138
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
860 distinct species · 2 949 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,6°C
Annual rain
925mm
Warmest m°
25,7°C
Coldest m°
1,8°C
Elevation: 299 m on average (min 242 m, max 373 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,6°C
Annual rain
925mm
Warmest month
25,7°C
Coldest month
1,8°C
Mean alt.
299m
Min
242m
Max
373m
Std. dev.
33m
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
33,2%
Sand
24,0%
Silt
42,8%
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
6,7
Org. C
65,9g/kg
Clay
32,0%
Sand
24,3%
Silt
43,8%
5–15 cm
pH H₂O
6,8
Org. C
34,2g/kg
Clay
33,7%
Sand
23,4%
Silt
42,9%
15–30 cm
pH H₂O
6,8
Org. C
21,1g/kg
Clay
33,9%
Sand
24,3%
Silt
41,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest31.3%
Crops33.6%
Built-up0.3%
Bare soil1.1%
Other (grassland, water…)33.8%
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
2,3m³/s
Mean precip.
779mm/an
Mean T°
12,0°C
Moisture idx
-0,20
Max snow
2%
Mean runoff
385mm/an
Mean elev. (basins)
326m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
33,4%
Pesticides
37,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 1IUCN III · 1
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.