Ontologia

Commune · FRA

Saint-Ouen-des-Alleux

France

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

Species observed

759

Observations

7 198

Area

15,3km²

Ecological tissue

Sample of 29 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-Ouen-des-Alleux : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 95 interactions GloBI sur 6 types (connectance 23.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
95
Connectance
0.234
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

759 distinct species · 7 198 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 198 obs · 1 cellules
Obs. / cellule
≥ 7 198
7 198–7 197
7 198–7 197
7 198–7 197
< 7 198

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

841mm

Warmest m°

22,3°C

Coldest m°

2,4°C

Elevation: 77 m on average (min 68 m, max 90 m)

Bioclimatic detailsExpert
Annual mean temp.
11,3°C
Annual rain
841mm
Warmest month
22,3°C
Coldest month
2,4°C
Mean alt.
77m
Min
68m
Max
90m
Std. dev.
5m
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

6,1

Org. C

32,9g/kg

Clay

22,5%

Sand

21,0%

Silt

56,5%

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

Dominant lithology: ssGLiMaggregated to Ille-et-Vilaine

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
51,5g/kg
Clay
22,2%
Sand
21,0%
Silt
56,9%
5–15 cm
pH H₂O
6,2
Org. C
28,3g/kg
Clay
22,5%
Sand
20,5%
Silt
56,9%
15–30 cm
pH H₂O
6,2
Org. C
18,8g/kg
Clay
22,8%
Sand
21,4%
Silt
55,8%

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

Land cover

Forest16.2%
Crops46.0%
Built-up1.1%
Bare soil0.5%
Other (grassland, water…)36.2%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

4,2km

Basins crossed

1

Max stream order

3

Max drainage

1 112km²

Discharge in basins

0,3m³/s

Mean precip.

748mm/an

Mean T°

11,0°C

Moisture idx

-0,03

Max snow

6%

Mean runoff

573mm/an

Mean elev. (basins)

91m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Built-up

109,1%

Pesticides

46,4kg/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.