Ontologia

Commune · FRA

Étagnac

France

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

Species observed

1 723

Observations

28 914

Area

29,3km²

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 Étagnac : 27 espèces reliées par 99 interactions GloBI sur 6 types (connectance 15.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
99
Connectance
0.157
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

1 723 distinct species · 28 914 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

28 914 obs · 4 cellules
Obs. / cellule
≥ 19 146
19 146–19 145
5 057–19 145
5 057–5 056
< 5 057

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

1 005mm

Warmest m°

24,4°C

Coldest m°

2,2°C

Elevation: 216 m on average (min 172 m, max 262 m)

Bioclimatic detailsExpert
Annual mean temp.
12,0°C
Annual rain
1 005mm
Warmest month
24,4°C
Coldest month
2,2°C
Mean alt.
216m
Min
172m
Max
262m
Std. dev.
30m
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

34,9g/kg

Clay

21,5%

Sand

41,8%

Silt

36,7%

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
6,1
Org. C
58,1g/kg
Clay
20,6%
Sand
42,4%
Silt
37,0%
5–15 cm
pH H₂O
6,1
Org. C
27,8g/kg
Clay
20,7%
Sand
43,0%
Silt
36,3%
15–30 cm
pH H₂O
6,1
Org. C
18,8g/kg
Clay
23,1%
Sand
39,9%
Silt
36,9%

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

Land cover

Forest29.5%
Crops35.7%
Built-up0.8%
Bare soil0.5%
Other (grassland, water…)33.4%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

6,2km

Basins crossed

2

Max stream order

5

Max drainage

4 582km²

Discharge in basins

10,3m³/s

Mean precip.

937mm/an

Mean T°

11,3°C

Moisture idx

0,01

Max snow

3%

Mean runoff

382mm/an

Mean elev. (basins)

222m

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

1,6nW

Built-up

79,7%

Pesticides

42,6kg/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.