Ontologia

Commune · FRA

Boulon

France

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

Species observed

2 910

Observations

65 311

Area

14km²

Ecological tissue

Sample of 31 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 Boulon : 26 espèces reliées par 58 interactions GloBI sur 5 types (connectance 12.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
58
Connectance
0.125
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

2 910 distinct species · 65 311 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

65 311 obs · 3 cellules
Obs. / cellule
≥ 44 404
44 404–44 403
44 404–44 403
16 614–44 403
< 16 614

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

Climate

Mean T°

10,9°C

Annual rain

815mm

Warmest m°

22,1°C

Coldest m°

2,0°C

Elevation: 106 m on average (min 42 m, max 150 m)

Bioclimatic detailsExpert
Annual mean temp.
10,9°C
Annual rain
815mm
Warmest month
22,1°C
Coldest month
2,0°C
Mean alt.
106m
Min
42m
Max
150m
Std. dev.
21m
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

6,4

Org. C

29,4g/kg

Clay

23,4%

Sand

18,4%

Silt

58,2%

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

Dominant lithology: ssGLiMaggregated to Calvados

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
47,7g/kg
Clay
23,0%
Sand
18,4%
Silt
58,7%
5–15 cm
pH H₂O
6,5
Org. C
24,3g/kg
Clay
23,6%
Sand
17,7%
Silt
58,7%
15–30 cm
pH H₂O
6,4
Org. C
16,4g/kg
Clay
23,8%
Sand
19,2%
Silt
57,1%

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

Land cover

Forest32.2%
Crops51.0%
Built-up0.4%
Bare soil0.3%
Other (grassland, water…)16.1%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,1km

Basins crossed

2

Max stream order

1

Max drainage

2 320km²

Discharge in basins

0,4m³/s

Mean precip.

726mm/an

Mean T°

10,1°C

Moisture idx

-0,04

Max snow

8%

Mean runoff

589mm/an

Mean elev. (basins)

144m

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

0,2nW

Built-up

42,8%

Pesticides

45,8kg/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.