Ontologia

Commune · FRA

Rai

France

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

Species observed

165

Observations

627

Area

16,3km²

Ecological tissue

Sample of 40 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 Rai : 31 espèces reliées par 103 interactions GloBI sur 5 types (connectance 12.6%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
103
Connectance
0.126
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

165 distinct species · 627 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

627 obs · 1 cellules
Obs. / cellule
≥ 627
627–626
627–626
627–626
< 627

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

Climate

Mean T°

10,1°C

Annual rain

801mm

Warmest m°

21,6°C

Coldest m°

0,9°C

Elevation: 253 m on average (min 233 m, max 290 m)

Bioclimatic detailsExpert
Annual mean temp.
10,1°C
Annual rain
801mm
Warmest month
21,6°C
Coldest month
0,9°C
Mean alt.
253m
Min
233m
Max
290m
Std. dev.
16m
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

5,9

Org. C

40,8g/kg

Clay

22,2%

Sand

22,0%

Silt

55,8%

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
5,8
Org. C
66,1g/kg
Clay
21,2%
Sand
22,2%
Silt
56,7%
5–15 cm
pH H₂O
6,0
Org. C
36,0g/kg
Clay
21,4%
Sand
21,9%
Silt
56,6%
15–30 cm
pH H₂O
6,0
Org. C
20,4g/kg
Clay
24,0%
Sand
22,0%
Silt
54,0%

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

Land cover

Forest16.9%
Crops53.5%
Built-up1.3%
Bare soil0.6%
Other (grassland, water…)27.7%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

6,3km

Basins crossed

1

Max stream order

2

Max drainage

2 302km²

Discharge in basins

0,3m³/s

Mean precip.

702mm/an

Mean T°

9,9°C

Moisture idx

-0,10

Max snow

7%

Mean runoff

509mm/an

Mean elev. (basins)

170m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

1,2nW

Built-up

130,1%

Pesticides

47,2kg/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.