Ontologia

Commune · FRA

Saint-Germain-le-Vieux

France

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

Species observed

301

Observations

2 855

Area

3,1km²

Ecological tissue

Sample of 38 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-Germain-le-Vieux : 27 espèces reliées par 91 interactions GloBI sur 6 types (connectance 12.9%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
91
Connectance
0.129
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

301 distinct species · 2 855 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 855 obs · 1 cellules
Obs. / cellule
≥ 2 855
2 855–2 854
2 855–2 854
2 855–2 854
< 2 855

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

Climate

Mean T°

10,4°C

Annual rain

783mm

Warmest m°

21,9°C

Coldest m°

1,1°C

Elevation: 215 m on average (min 206 m, max 224 m)

Bioclimatic detailsExpert
Annual mean temp.
10,4°C
Annual rain
783mm
Warmest month
21,9°C
Coldest month
1,1°C
Mean alt.
215m
Min
206m
Max
224m
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

6,6

Org. C

29,5g/kg

Clay

23,2%

Sand

23,1%

Silt

53,7%

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

Dominant lithology: ssGLiMaggregated to Orne

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
45,2g/kg
Clay
21,9%
Sand
23,4%
Silt
54,7%
5–15 cm
pH H₂O
6,6
Org. C
27,2g/kg
Clay
22,9%
Sand
22,4%
Silt
54,7%
15–30 cm
pH H₂O
6,6
Org. C
15,9g/kg
Clay
24,7%
Sand
23,6%
Silt
51,7%

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

Land cover

Forest9.8%
Crops62.1%
Built-up0.5%
Bare soil0.8%
Other (grassland, water…)26.8%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

2 151km²

Discharge in basins

0,0m³/s

Mean precip.

734mm/an

Mean T°

10,1°C

Moisture idx

-0,10

Max snow

7%

Mean runoff

347mm/an

Mean elev. (basins)

178m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Built-up

52,2%

Pesticides

47,0kg/km²

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

Protected areas1

IUCN Not Reported · 1

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.