Ontologia

Commune · FRA

Saint-Gervais-en-Belin

France

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

Species observed

940

Observations

6 618

Area

9,6km²

Ecological tissue

Sample of 35 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-Gervais-en-Belin : 27 espèces reliées par 96 interactions GloBI sur 5 types (connectance 16.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
96
Connectance
0.161
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

940 distinct species · 6 618 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 618 obs · 1 cellules
Obs. / cellule
≥ 6 618
6 618–6 617
6 618–6 617
6 618–6 617
< 6 618

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

Climate

Mean T°

11,7°C

Annual rain

712mm

Warmest m°

23,8°C

Coldest m°

1,9°C

Elevation: 51 m on average (min 47 m, max 58 m)

Bioclimatic detailsExpert
Annual mean temp.
11,7°C
Annual rain
712mm
Warmest month
23,8°C
Coldest month
1,9°C
Mean alt.
51m
Min
47m
Max
58m
Std. dev.
3m
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

5,8

Org. C

29,9g/kg

Clay

19,5%

Sand

49,4%

Silt

31,1%

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

Dominant lithology: scGLiMaggregated to Sarthe

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
51,9g/kg
Clay
18,9%
Sand
50,5%
Silt
30,6%
5–15 cm
pH H₂O
5,9
Org. C
23,2g/kg
Clay
18,8%
Sand
50,6%
Silt
30,6%
15–30 cm
pH H₂O
5,9
Org. C
14,4g/kg
Clay
20,8%
Sand
47,2%
Silt
32,0%

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

Land cover

Forest34.4%
Crops26.9%
Built-up2.6%
Bare soil0.6%
Other (grassland, water…)35.5%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

6 312km²

Discharge in basins

0,5m³/s

Mean precip.

701mm/an

Mean T°

11,1°C

Moisture idx

-0,18

Max snow

5%

Mean runoff

222mm/an

Mean elev. (basins)

67m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,9nW

Built-up

261,7%

Pesticides

46,1kg/km²

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

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.