Ontologia

Commune · FRA

Civrac-sur-Dordogne

France

CfaTemperate, no dry season, hot summer(100 %)

Species observed

1 374

Observations

6 209

Area

1,7km²

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 Civrac-sur-Dordogne : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 120 interactions GloBI sur 5 types (connectance 16.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
120
Connectance
0.162
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

1 374 distinct species · 6 209 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 209 obs · 1 cellules
Obs. / cellule
≥ 6 209
6 209–6 208
6 209–6 208
6 209–6 208
< 6 209

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

Climate

Mean T°

13,8°C

Annual rain

767mm

Warmest m°

26,7°C

Coldest m°

3,0°C

Elevation: 7 m on average (min 6 m, max 11 m)

Bioclimatic detailsExpert
Annual mean temp.
13,8°C
Annual rain
767mm
Warmest month
26,7°C
Coldest month
3,0°C
Mean alt.
7m
Min
6m
Max
11m
Std. dev.
2m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)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

31,7g/kg

Clay

31,3%

Sand

37,7%

Silt

31,0%

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

Dominant lithology: suGLiMaggregated to Gironde

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
53,2g/kg
Clay
31,3%
Sand
37,5%
Silt
31,2%
5–15 cm
pH H₂O
7,0
Org. C
21,6g/kg
Clay
31,1%
Sand
37,4%
Silt
31,4%
15–30 cm
pH H₂O
7,0
Org. C
20,2g/kg
Clay
31,4%
Sand
38,1%
Silt
30,5%

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

Land cover

Forest16.4%
Crops35.0%
Built-up2.3%
Bare soil1.5%
Other (grassland, water…)44.9%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,2km

Basins crossed

1

Max stream order

6

Max drainage

15 675km²

Discharge in basins

0,2m³/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

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

2,3nW

Built-up

230,4%

Pesticides

42,9kg/km²

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

Protected areas1

IUCN Not Reported · 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.