Ontologia

Commune · FRA

Oulon

France

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

Species observed

691

Observations

12 775

Area

10,8km²

Ecological tissue

Sample of 34 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 Oulon : 31 espèces + 3 bulles famille, 81 interactions GloBI documentées sur 3 types (connectance 14.4%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
34
Interactions affichées
81
Connectance
0.144
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

691 distinct species · 12 775 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 775 obs · 1 cellules
Obs. / cellule
≥ 12 775
12 775–12 774
12 775–12 774
12 775–12 774
< 12 775

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

963mm

Warmest m°

23,7°C

Coldest m°

0,5°C

Elevation: 290 m on average (min 254 m, max 324 m)

Bioclimatic detailsExpert
Annual mean temp.
10,9°C
Annual rain
963mm
Warmest month
23,7°C
Coldest month
0,5°C
Mean alt.
290m
Min
254m
Max
324m
Std. dev.
23m
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

6,5

Org. C

36,3g/kg

Clay

32,6%

Sand

17,6%

Silt

49,8%

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

Dominant lithology: scGLiMaggregated to Nièvre

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
61,1g/kg
Clay
31,4%
Sand
17,8%
Silt
50,8%
5–15 cm
pH H₂O
6,6
Org. C
29,7g/kg
Clay
31,4%
Sand
16,5%
Silt
52,2%
15–30 cm
pH H₂O
6,6
Org. C
18,2g/kg
Clay
35,0%
Sand
18,5%
Silt
46,5%

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

Land cover

Forest25.8%
Crops58.5%
Built-up0.2%
Bare soil0.3%
Other (grassland, water…)15.2%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max stream order

1

Max drainage

18 223km²

Discharge in basins

1,0m³/s

Mean precip.

754mm/an

Mean T°

10,6°C

Moisture idx

-0,13

Max snow

5%

Mean runoff

276mm/an

Mean elev. (basins)

251m

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

Built-up

20,3%

Pesticides

21,8kg/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.