Ontologia

Commune · FRA

Bergerac

France

CfaTemperate, no dry season, hot summer(70 %)

Species observed

1 404

Observations

11 381

Area

56,6km²

Ecological tissue

Sample of 38 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 Bergerac : 31 espèces + 7 bulles famille, 85 interactions GloBI documentées sur 5 types (connectance 12.1%, filtre Serrano α=0.2). Les 7 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
38
Interactions affichées
85
Connectance
0.121
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

1 404 distinct species · 11 381 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 846 obs · 2 cellules
Obs. / cellule
≥ 8 233
8 233–8 232
8 233–8 232
8 233–8 232
< 8 233

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

Climate

Mean T°

13,5°C

Annual rain

807mm

Warmest m°

26,4°C

Coldest m°

2,5°C

Elevation: 51 m on average (min 26 m, max 105 m)

Bioclimatic detailsExpert
Annual mean temp.
13,5°C
Annual rain
807mm
Warmest month
26,4°C
Coldest month
2,5°C
Mean alt.
51m
Min
26m
Max
105m
Std. dev.
20m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(70 %)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

30,4g/kg

Clay

24,6%

Sand

37,0%

Silt

38,4%

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
6,7
Org. C
47,0g/kg
Clay
24,0%
Sand
37,4%
Silt
38,6%
5–15 cm
pH H₂O
6,8
Org. C
27,1g/kg
Clay
23,9%
Sand
37,4%
Silt
38,7%
15–30 cm
pH H₂O
6,9
Org. C
17,1g/kg
Clay
25,9%
Sand
36,1%
Silt
38,0%

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

Land cover

Forest19.3%
Crops20.4%
Built-up5.4%
Bare soil1.0%
Other (grassland, water…)53.9%

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

Hydrology1 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

22,0km

Basins crossed

1

Max stream order

6

Max drainage

15 675km²

Discharge in basins

7,7m³/s

Mean precip.

866mm/an

Mean T°

12,4°C

Moisture idx

-0,12

Max snow

3%

Mean runoff

468mm/an

Mean elev. (basins)

93m

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

Human pressure

Pop. density

3hab/km²

Night light

2,4nW

Built-up

537,2%

Pesticides

46,0kg/km²

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

Protected areas2

IUCN Not Reported · 1IUCN IV · 1🌊 Marine · 1

La Dordogne

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2015

57 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.