Ontologia

Commune · FRA

Saint-Jean-de-Nay

France

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

Species observed

644

Observations

4 518

Area

29,3km²

Ecological tissue

Sample of 29 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 Saint-Jean-de-Nay : 23 espèces + 6 bulles famille, 76 interactions GloBI documentées sur 5 types (connectance 18.7%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
29
Interactions affichées
76
Connectance
0.187
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

644 distinct species · 4 518 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 615 obs · 12 cellules · 19582026
Obs. / cellule
≥ 2 360
846–2 359
321–845
69–320
< 69

Source : GBIF — observations agrégées par hexagones 0.02° × 0.02° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

7,9°C

Annual rain

990mm

Warmest m°

21,2°C

Coldest m°

-3,0°C

Elevation: 1 041 m on average (min 888 m, max 1 161 m)

Bioclimatic detailsExpert
Annual mean temp.
7,9°C
Annual rain
990mm
Warmest month
21,2°C
Coldest month
-3,0°C
Mean alt.
1 041m
Min
888m
Max
1 161m
Std. dev.
69m
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

6,0

Org. C

45,9g/kg

Clay

23,3%

Sand

44,5%

Silt

32,2%

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

Dominant lithology: mtGLiMaggregated to Haute-Loire

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
71,1g/kg
Clay
22,8%
Sand
44,6%
Silt
32,5%
5–15 cm
pH H₂O
6,0
Org. C
41,0g/kg
Clay
22,3%
Sand
45,2%
Silt
32,5%
15–30 cm
pH H₂O
6,0
Org. C
25,6g/kg
Clay
24,8%
Sand
43,6%
Silt
31,6%

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

Land cover

Forest25.0%
Crops41.5%
Built-up0.4%
Bare soil1.0%
Other (grassland, water…)32.1%

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

Hydrology3 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

3,4km

Basins crossed

3

Max stream order

1

Max drainage

1 972km²

Discharge in basins

0,5m³/s

Mean precip.

767mm/an

Mean T°

7,9°C

Moisture idx

-0,04

Max snow

16%

Mean runoff

391mm/an

Mean elev. (basins)

967m

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

37,1%

Pesticides

40,6kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN IV · 1

Marais de Limagne

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2008

2 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.