Ontologia

Commune · FRA

Varambon

France

CfbTemperate, no dry season, warm summer(86 %)

Species observed

2 372

Observations

39 414

Area

7,9km²

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 Varambon : 29 espèces reliées par 127 interactions GloBI sur 5 types (connectance 17.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
127
Connectance
0.171
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

2 372 distinct species · 39 414 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

39 414 obs · 3 cellules
Obs. / cellule
≥ 19 381
19 381–19 380
19 381–19 380
10 860–19 380
< 10 860

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

Climate

Mean T°

11,8°C

Annual rain

1 298mm

Warmest m°

25,5°C

Coldest m°

-0,8°C

Elevation: 292 m on average (min 235 m, max 312 m)

Bioclimatic detailsExpert
Annual mean temp.
11,8°C
Annual rain
1 298mm
Warmest month
25,5°C
Coldest month
-0,8°C
Mean alt.
292m
Min
235m
Max
312m
Std. dev.
23m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(86 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,8

Org. C

37,3g/kg

Clay

24,0%

Sand

28,0%

Silt

47,9%

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

Dominant lithology: scGLiMaggregated to Ain

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
64,5g/kg
Clay
22,3%
Sand
28,0%
Silt
49,8%
5–15 cm
pH H₂O
5,9
Org. C
29,0g/kg
Clay
21,7%
Sand
27,0%
Silt
51,3%
15–30 cm
pH H₂O
5,9
Org. C
18,5g/kg
Clay
28,1%
Sand
29,2%
Silt
42,7%

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

Land cover

Forest34.9%
Crops36.5%
Built-up0.9%
Bare soil0.4%
Other (grassland, water…)27.2%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,8km

Basins crossed

3

Max stream order

1

Max drainage

3 098km²

Discharge in basins

4,3m³/s

Mean precip.

915mm/an

Mean T°

10,3°C

Moisture idx

0,04

Max snow

8%

Mean runoff

705mm/an

Mean elev. (basins)

364m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

0,7nW

Built-up

92,8%

Pesticides

45,7kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas5

IUCN Not Reported · 4IUCN IV · 1

La Dombes

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2023

477 km²

La Dombes

IUCN Not Reported

Special Protection Area (Birds Directive) · 2018

477 km²

La Dombes

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2008

477 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

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.