Ontologia

Commune · FRA

Saint-Michel-de-la-Roë

France

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

Species observed

781

Observations

5 794

Area

13,1km²

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-Michel-de-la-Roë : 19 espèces reliées par 88 interactions GloBI sur 4 types (connectance 20.2%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
88
Connectance
0.202
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

781 distinct species · 5 794 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 794 obs · 1 cellules
Obs. / cellule
≥ 5 794
5 794–5 793
5 794–5 793
5 794–5 793
< 5 794

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

Climate

Mean T°

11,5°C

Annual rain

785mm

Warmest m°

23,0°C

Coldest m°

2,1°C

Elevation: 85 m on average (min 76 m, max 93 m)

Bioclimatic detailsExpert
Annual mean temp.
11,5°C
Annual rain
785mm
Warmest month
23,0°C
Coldest month
2,1°C
Mean alt.
85m
Min
76m
Max
93m
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

31,6g/kg

Clay

23,7%

Sand

20,2%

Silt

56,1%

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

Dominant lithology: ssGLiMaggregated to Mayenne

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
50,6g/kg
Clay
21,2%
Sand
21,5%
Silt
57,3%
5–15 cm
pH H₂O
6,1
Org. C
25,6g/kg
Clay
24,0%
Sand
19,5%
Silt
56,5%
15–30 cm
pH H₂O
6,1
Org. C
18,5g/kg
Clay
25,9%
Sand
19,7%
Silt
54,4%

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

Land cover

Forest11.6%
Crops56.0%
Built-up0.7%
Bare soil0.7%
Other (grassland, water…)31.0%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

5,7km

Basins crossed

1

Max stream order

1

Max drainage

1 489km²

Discharge in basins

0,1m³/s

Mean precip.

709mm/an

Mean T°

11,2°C

Moisture idx

-0,15

Max snow

5%

Mean runoff

327mm/an

Mean elev. (basins)

72m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Built-up

74,2%

Pesticides

43,8kg/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.