Ontologia

Commune · FRA

Hiersac

France

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

Species observed

1 107

Observations

9 055

Area

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 Hiersac : 30 espèces reliées par 121 interactions GloBI sur 5 types (connectance 16.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
121
Connectance
0.163
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

1 107 distinct species · 9 055 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 055 obs · 3 cellules
Obs. / cellule
≥ 5 079
5 079–5 078
5 079–5 078
2 365–5 078
< 2 365

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

Climate

Mean T°

12,7°C

Annual rain

889mm

Warmest m°

25,5°C

Coldest m°

2,2°C

Elevation: 87 m on average (min 70 m, max 99 m)

Bioclimatic detailsExpert
Annual mean temp.
12,7°C
Annual rain
889mm
Warmest month
25,5°C
Coldest month
2,2°C
Mean alt.
87m
Min
70m
Max
99m
Std. dev.
11m
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

7,3

Org. C

32,0g/kg

Clay

35,1%

Sand

18,6%

Silt

46,2%

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
7,1
Org. C
53,0g/kg
Clay
33,4%
Sand
19,2%
Silt
47,2%
5–15 cm
pH H₂O
7,4
Org. C
26,0g/kg
Clay
36,9%
Sand
16,9%
Silt
46,1%
15–30 cm
pH H₂O
7,4
Org. C
16,9g/kg
Clay
35,0%
Sand
19,6%
Silt
45,4%

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

Land cover

Forest9.2%
Crops44.1%
Built-up2.0%
Bare soil4.0%
Other (grassland, water…)40.6%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

0,4km

Basins crossed

1

Max stream order

2

Max drainage

5 486km²

Discharge in basins

0,2m³/s

Mean precip.

859mm/an

Mean T°

12,1°C

Moisture idx

-0,07

Max snow

2%

Mean runoff

535mm/an

Mean elev. (basins)

82m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

204,5%

Pesticides

41,7kg/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.