Ontologia

Commune · FRA

Saint-Michel-sur-Loire

France

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

Species observed

1 371

Observations

20 419

Area

17,5km²

Ecological tissue

Sample of 44 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-Michel-sur-Loire : 40 espèces + 4 bulles famille, 81 interactions GloBI documentées sur 5 types (connectance 8.6%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
44
Interactions affichées
81
Connectance
0.086
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

1 371 distinct species · 20 419 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

20 423 obs · 1 cellules
Obs. / cellule
≥ 20 423
20 423–20 422
20 423–20 422
20 423–20 422
< 20 423

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

Climate

Mean T°

11,9°C

Annual rain

720mm

Warmest m°

24,2°C

Coldest m°

2,0°C

Elevation: 80 m on average (min 37 m, max 110 m)

Bioclimatic detailsExpert
Annual mean temp.
11,9°C
Annual rain
720mm
Warmest month
24,2°C
Coldest month
2,0°C
Mean alt.
80m
Min
37m
Max
110m
Std. dev.
16m
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

6,3

Org. C

38,3g/kg

Clay

21,6%

Sand

39,3%

Silt

39,1%

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

Dominant lithology: scGLiMaggregated to Indre-et-Loire

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
68,7g/kg
Clay
20,5%
Sand
40,4%
Silt
39,2%
5–15 cm
pH H₂O
6,4
Org. C
30,1g/kg
Clay
21,7%
Sand
39,7%
Silt
38,7%
15–30 cm
pH H₂O
6,3
Org. C
16,1g/kg
Clay
22,6%
Sand
37,9%
Silt
39,5%

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

Land cover

Forest47.0%
Crops31.1%
Built-up0.5%
Bare soil0.4%
Other (grassland, water…)21.1%

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

Hydrology3 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

3,8km

Basins crossed

3

Max stream order

6

Max drainage

59 951km²

Discharge in basins

32,2m³/s

Mean precip.

684mm/an

Mean T°

11,4°C

Moisture idx

-0,21

Max snow

9%

Mean runoff

197mm/an

Mean elev. (basins)

80m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Built-up

47,1%

Pesticides

45,3kg/km²

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

Protected areas7

IUCN Not Reported · 4IUCN IV · 2IUCN V · 1
Complete list

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.