Ontologia

Commune · FRA

Sauvain

France

CfbTemperate, no dry season, warm summer(48 %)

Species observed

1 918

Observations

50 725

Area

30,9km²

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 Sauvain : 26 espèces + 3 bulles famille, 40 interactions GloBI documentées sur 5 types (connectance 9.9%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
29
Interactions affichées
40
Connectance
0.099
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

1 918 distinct species · 50 725 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

50 726 obs · 1 cellules
Obs. / cellule
≥ 50 726
50 726–50 725
50 726–50 725
50 726–50 725
< 50 726

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

Climate

Mean T°

6,9°C

Annual rain

1 161mm

Warmest m°

19,6°C

Coldest m°

-4,0°C

Elevation: 1 143 m on average (min 814 m, max 1 520 m)

Bioclimatic detailsExpert
Annual mean temp.
6,9°C
Annual rain
1 161mm
Warmest month
19,6°C
Coldest month
-4,0°C
Mean alt.
1 143m
Min
814m
Max
1 520m
Std. dev.
194m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(48 %)Temperate

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

Soil & lithology

pH H₂O

5,7

Org. C

57,1g/kg

Clay

24,9%

Sand

41,8%

Silt

33,2%

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

Dominant lithology: paGLiMaggregated to Loire

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
85,7g/kg
Clay
24,3%
Sand
41,6%
Silt
34,0%
5–15 cm
pH H₂O
5,8
Org. C
53,6g/kg
Clay
24,4%
Sand
42,6%
Silt
33,0%
15–30 cm
pH H₂O
5,8
Org. C
32,2g/kg
Clay
26,1%
Sand
41,3%
Silt
32,6%

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

Land cover

Forest45.5%
Crops22.4%
Built-up0.3%
Bare soil0.4%
Other (grassland, water…)31.4%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

5,1km

Basins crossed

2

Max stream order

2

Max drainage

1 711km²

Discharge in basins

0,3m³/s

Mean precip.

786mm/an

Mean T°

8,8°C

Moisture idx

-0,04

Max snow

15%

Mean runoff

272mm/an

Mean elev. (basins)

722m

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

0,1nW

Built-up

28,1%

Pesticides

47,2kg/km²

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

Protected areas6

IUCN Not Reported · 3IUCN IV · 2IUCN V · 1

Monts du Forez

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2013

56 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.