Ontologia

Commune · FRA

Eyzerac

France

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

Species observed

707

Observations

2 138

Area

11,1km²

Ecological tissue

Sample of 36 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 Eyzerac : 31 espèces + 5 bulles famille, 73 interactions GloBI documentées sur 5 types (connectance 11.6%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
36
Interactions affichées
73
Connectance
0.116
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

707 distinct species · 2 138 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 140 obs · 1 cellules
Obs. / cellule
≥ 2 140
2 140–2 139
2 140–2 139
2 140–2 139
< 2 140

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

Climate

Mean T°

12,3°C

Annual rain

1 033mm

Warmest m°

25,0°C

Coldest m°

1,9°C

Elevation: 209 m on average (min 186 m, max 251 m)

Bioclimatic detailsExpert
Annual mean temp.
12,3°C
Annual rain
1 033mm
Warmest month
25,0°C
Coldest month
1,9°C
Mean alt.
209m
Min
186m
Max
251m
Std. dev.
14m
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

6,1

Org. C

39,1g/kg

Clay

25,1%

Sand

37,4%

Silt

37,4%

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
6,0
Org. C
65,8g/kg
Clay
25,1%
Sand
37,2%
Silt
37,6%
5–15 cm
pH H₂O
6,1
Org. C
32,4g/kg
Clay
24,2%
Sand
37,9%
Silt
37,8%
15–30 cm
pH H₂O
6,1
Org. C
19,0g/kg
Clay
26,0%
Sand
37,2%
Silt
36,9%

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

Land cover

Forest35.8%
Crops28.3%
Built-up0.9%
Bare soil0.4%
Other (grassland, water…)34.6%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,9km

Basins crossed

2

Max stream order

1

Max drainage

3 807km²

Discharge in basins

0,2m³/s

Mean precip.

985mm/an

Mean T°

11,4°C

Moisture idx

0,03

Max snow

3%

Mean runoff

488mm/an

Mean elev. (basins)

280m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

88,7%

Pesticides

44,4kg/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.