Ontologia

Commune · FRA

Saint-Michel-sur-Orge

France

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

Species observed

2 808

Observations

81 082

Area

5,4km²

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-Michel-sur-Orge : 25 espèces reliées par 129 interactions GloBI sur 6 types (connectance 20.5%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
129
Connectance
0.205
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

2 808 distinct species · 81 082 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

81 082 obs · 2 cellules
Obs. / cellule
≥ 49 610
49 610–49 609
49 610–49 609
49 610–49 609
< 49 610

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

Climate

Mean T°

11,3°C

Annual rain

666mm

Warmest m°

23,8°C

Coldest m°

1,2°C

Elevation: 68 m on average (min 49 m, max 78 m)

Bioclimatic detailsExpert
Annual mean temp.
11,3°C
Annual rain
666mm
Warmest month
23,8°C
Coldest month
1,2°C
Mean alt.
68m
Min
49m
Max
78m
Std. dev.
9m
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

7,2

Org. C

25,0g/kg

Clay

24,4%

Sand

33,1%

Silt

42,6%

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

Dominant lithology: suGLiMaggregated to Essonne

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
43,7g/kg
Clay
23,4%
Sand
33,8%
Silt
42,8%
5–15 cm
pH H₂O
7,3
Org. C
17,7g/kg
Clay
23,4%
Sand
33,4%
Silt
43,2%
15–30 cm
pH H₂O
7,3
Org. C
13,7g/kg
Clay
26,2%
Sand
32,0%
Silt
41,7%

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

Land cover

Forest7.8%
Crops6.9%
Built-up13.8%
Bare soil0.2%
Other (grassland, water…)71.3%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

3,3km

Basins crossed

1

Max stream order

3

Max drainage

30 655km²

Discharge in basins

0,5m³/s

Mean precip.

645mm/an

Mean T°

10,7°C

Moisture idx

-0,21

Max snow

5%

Mean runoff

196mm/an

Mean elev. (basins)

117m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

20hab/km²

Night light

18,1nW

Built-up

1 377,0%

Pesticides

32,6kg/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.