Causses Du Quercy
IUCN VRegional Nature Park · 1999
1 832 km²
Commune · FRA
Blars
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
858
Observations
3 070
Area
25,9km²
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 Blars : 29 espèces + 6 bulles famille, 74 interactions GloBI documentées sur 5 types (connectance 12.4%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
35
Interactions affichées
74
Connectance
0.124
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
858 distinct species · 3 070 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,4°C
Annual rain
996mm
Warmest m°
25,5°C
Coldest m°
1,5°C
Elevation: 302 m on average (min 260 m, max 355 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,4°C
Annual rain
996mm
Warmest month
25,5°C
Coldest month
1,5°C
Mean alt.
302m
Min
260m
Max
355m
Std. dev.
16m
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
44,3g/kg
Clay
27,7%
Sand
25,4%
Silt
46,9%
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
6,8
Org. C
81,0g/kg
Clay
26,8%
Sand
25,9%
Silt
47,3%
5–15 cm
pH H₂O
6,8
Org. C
31,9g/kg
Clay
28,1%
Sand
24,7%
Silt
47,3%
15–30 cm
pH H₂O
6,8
Org. C
20,0g/kg
Clay
28,4%
Sand
25,6%
Silt
46,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest25.0%
Crops38.6%
Built-up0.2%
Bare soil1.5%
Other (grassland, water…)34.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology
Computing basins, lakes, rivers…
Human pressure
Pop. density
0hab/km²
Built-up
21,0%
Pesticides
7,0kg/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.