Ontologia

Commune · FRA

Chourgnac

France

CfbTemperate, no dry season, warm summer(100 %)

Species observed

834

Observations

4 859

Area

7,2km²

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 Chourgnac : 33 espèces + 6 bulles famille, 85 interactions GloBI documentées sur 6 types (connectance 11.5%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
39
Interactions affichées
85
Connectance
0.115
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

834 distinct species · 4 859 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 859 obs · 1 cellules
Obs. / cellule
≥ 4 859
4 859–4 858
4 859–4 858
4 859–4 858
< 4 859

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

12,5°C

Annual rain

934mm

Warmest m°

25,2°C

Coldest m°

2,0°C

Elevation: 198 m on average (min 183 m, max 233 m)

Bioclimatic detailsExpert
Annual mean temp.
12,5°C
Annual rain
934mm
Warmest month
25,2°C
Coldest month
2,0°C
Mean alt.
198m
Min
183m
Max
233m
Std. dev.
13m
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

6,7

Org. C

36,8g/kg

Clay

25,8%

Sand

36,4%

Silt

37,8%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: smGLiMaggregated to Dordogne

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
63,2g/kg
Clay
25,3%
Sand
36,4%
Silt
38,4%
5–15 cm
pH H₂O
6,7
Org. C
29,2g/kg
Clay
25,5%
Sand
37,2%
Silt
37,3%
15–30 cm
pH H₂O
6,7
Org. C
17,9g/kg
Clay
26,6%
Sand
35,7%
Silt
37,7%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest38.2%
Crops28.6%
Built-up0.4%
Bare soil0.4%
Other (grassland, water…)32.4%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

922km²

Discharge in basins

0,1m³/s

Mean precip.

971mm/an

Mean T°

11,4°C

Moisture idx

0,02

Max snow

3%

Mean runoff

516mm/an

Mean elev. (basins)

294m

Watersheds crossing here

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Built-up

41,2%

Pesticides

43,1kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

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.