Ontologia

Commune · FRA

Chirac

France

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

Species observed

467

Observations

835

Area

34,7km²

Ecological tissue

Sample of 40 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 Chirac : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 4 bulles famille, 94 interactions GloBI documentées sur 5 types (connectance 12.1%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
40
Interactions affichées
94
Connectance
0.120
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

467 distinct species · 835 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

835 obs · 1 cellules
Obs. / cellule
≥ 835
835–834
835–834
835–834
< 835

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

Climate

Mean T°

12,0°C

Annual rain

986mm

Warmest m°

24,4°C

Coldest m°

2,2°C

Elevation: 206 m on average (min 157 m, max 243 m)

Bioclimatic detailsExpert
Annual mean temp.
12,0°C
Annual rain
986mm
Warmest month
24,4°C
Coldest month
2,2°C
Mean alt.
206m
Min
157m
Max
243m
Std. dev.
25m
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

6,0

Org. C

37,9g/kg

Clay

21,2%

Sand

39,9%

Silt

39,0%

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

Dominant lithology: scGLiMaggregated to Charente

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
66,1g/kg
Clay
20,3%
Sand
40,1%
Silt
39,6%
5–15 cm
pH H₂O
6,0
Org. C
28,1g/kg
Clay
20,6%
Sand
41,2%
Silt
38,3%
15–30 cm
pH H₂O
6,0
Org. C
19,4g/kg
Clay
22,6%
Sand
38,3%
Silt
39,0%

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

Land cover

Forest22.4%
Crops43.2%
Built-up0.4%
Bare soil0.4%
Other (grassland, water…)33.6%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

4,8km

Basins crossed

1

Max stream order

5

Max drainage

4 582km²

Discharge in basins

3,9m³/s

Mean precip.

934mm/an

Mean T°

11,3°C

Moisture idx

0,01

Max snow

3%

Mean runoff

384mm/an

Mean elev. (basins)

221m

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

0,0nW

Built-up

41,7%

Pesticides

44,6kg/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.