Ontologia

Commune · FRA

Sainte-Gemmes-sur-Loire

France

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

Species observed

2 143

Observations

33 898

Area

14,5km²

Ecological tissue

Sample of 47 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 Sainte-Gemmes-sur-Loire : 45 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) + 2 bulles famille, 83 interactions GloBI documentées sur 4 types (connectance 7.7%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
47
Interactions affichées
83
Connectance
0.077
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

2 143 distinct species · 33 898 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

33 904 obs · 1 cellules
Obs. / cellule
≥ 33 904
33 904–33 903
33 904–33 903
33 904–33 903
< 33 904

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

Climate

Mean T°

12,1°C

Annual rain

673mm

Warmest m°

24,2°C

Coldest m°

2,4°C

Elevation: 25 m on average (min 16 m, max 43 m)

Bioclimatic detailsExpert
Annual mean temp.
12,1°C
Annual rain
673mm
Warmest month
24,2°C
Coldest month
2,4°C
Mean alt.
25m
Min
16m
Max
43m
Std. dev.
6m
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

6,4

Org. C

30,0g/kg

Clay

20,1%

Sand

35,3%

Silt

44,6%

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

Dominant lithology: ssGLiMaggregated to Maine-et-Loire

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
53,2g/kg
Clay
18,3%
Sand
36,0%
Silt
45,7%
5–15 cm
pH H₂O
6,4
Org. C
20,6g/kg
Clay
20,6%
Sand
34,6%
Silt
44,8%
15–30 cm
pH H₂O
6,4
Org. C
16,1g/kg
Clay
21,4%
Sand
35,2%
Silt
43,4%

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

Land cover

Forest14.5%
Crops20.9%
Built-up5.8%
Bare soil1.2%
Other (grassland, water…)57.7%

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

Hydrology4 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

8,6km

Basins crossed

4

Max stream order

7

Max drainage

108 656km²

Discharge in basins

368,9m³/s

Mean precip.

657mm/an

Mean T°

11,5°C

Moisture idx

-0,24

Max snow

5%

Mean runoff

230mm/an

Mean elev. (basins)

40m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

3,5nW

Built-up

577,5%

Pesticides

44,6kg/km²

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

Protected areas5

IUCN Not Reported · 5

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.