Ontologia

Commune · FRA

Cahors

France

CfbTemperate, no dry season, warm summer(74 %)

Species observed

2 226

Observations

30 180

Area

65,4km²

Ecological tissue

Sample of 34 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 Cahors : 30 espèces + 4 bulles famille, 58 interactions GloBI documentées sur 5 types (connectance 10.3%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
34
Interactions affichées
58
Connectance
0.103
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

2 226 distinct species · 30 180 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

30 183 obs · 2 cellules
Obs. / cellule
≥ 18 906
18 906–18 905
18 906–18 905
18 906–18 905
< 18 906

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

Climate

Mean T°

13,0°C

Annual rain

803mm

Warmest m°

26,2°C

Coldest m°

1,9°C

Elevation: 204 m on average (min 137 m, max 279 m)

Bioclimatic detailsExpert
Annual mean temp.
13,0°C
Annual rain
803mm
Warmest month
26,2°C
Coldest month
1,9°C
Mean alt.
204m
Min
137m
Max
279m
Std. dev.
38m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(74 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,0

Org. C

38,5g/kg

Clay

30,1%

Sand

25,7%

Silt

44,2%

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

Dominant lithology: scGLiMaggregated to Lot

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
67,8g/kg
Clay
29,4%
Sand
26,7%
Silt
43,9%
5–15 cm
pH H₂O
7,0
Org. C
28,1g/kg
Clay
29,4%
Sand
25,7%
Silt
45,0%
15–30 cm
pH H₂O
7,0
Org. C
19,5g/kg
Clay
31,5%
Sand
24,8%
Silt
43,6%

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

Land cover

Forest31.8%
Crops21.9%
Built-up2.9%
Bare soil1.4%
Other (grassland, water…)41.9%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

19,4km

Basins crossed

1

Max stream order

5

Max drainage

9 427km²

Discharge in basins

12,3m³/s

Mean precip.

813mm/an

Mean T°

12,2°C

Moisture idx

-0,17

Max snow

2%

Mean runoff

346mm/an

Mean elev. (basins)

250m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

1,4nW

Built-up

294,0%

Pesticides

45,5kg/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.