Ontologia

Commune · FRA

Saint-Pierre-des-Landes

France

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

Species observed

1 302

Observations

19 547

Area

42,3km²

Ecological tissue

Sample of 48 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-Pierre-des-Landes : 21 espèces reliées par 247 interactions GloBI sur 5 types (connectance 11.2%, filtre Serrano α=0.2). 46 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
67
Interactions affichées
247
Connectance
0.112
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

1 302 distinct species · 19 547 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

19 547 obs · 5 cellules
Obs. / cellule
≥ 11 730
11 730–11 729
4 229–11 729
2 420–4 228
< 2 420

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

Climate

Mean T°

10,9°C

Annual rain

888mm

Warmest m°

22,1°C

Coldest m°

1,9°C

Elevation: 150 m on average (min 119 m, max 194 m)

Bioclimatic detailsExpert
Annual mean temp.
10,9°C
Annual rain
888mm
Warmest month
22,1°C
Coldest month
1,9°C
Mean alt.
150m
Min
119m
Max
194m
Std. dev.
18m
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

6,0

Org. C

40,8g/kg

Clay

21,4%

Sand

15,8%

Silt

62,8%

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
5,9
Org. C
67,7g/kg
Clay
20,2%
Sand
16,1%
Silt
63,7%
5–15 cm
pH H₂O
6,0
Org. C
30,0g/kg
Clay
20,9%
Sand
15,2%
Silt
63,8%
15–30 cm
pH H₂O
6,0
Org. C
24,9g/kg
Clay
23,0%
Sand
16,1%
Silt
60,9%

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

Land cover

Forest10.6%
Crops53.4%
Built-up0.8%
Bare soil0.4%
Other (grassland, water…)34.8%

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

Hydrology3 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

1,6km

Basins crossed

3

Max stream order

2

Max drainage

1 599km²

Discharge in basins

0,6m³/s

Mean precip.

750mm/an

Mean T°

10,6°C

Moisture idx

-0,05

Max snow

6%

Mean runoff

467mm/an

Mean elev. (basins)

136m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

83,8%

Pesticides

45,2kg/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.