Ontologia

Commune · FRA

Saint-Pierre-de-Cernières

France

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

Species observed

791

Observations

2 630

Area

12km²

Ecological tissue

Sample of 34 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-de-Cernières : 27 espèces reliées par 81 interactions GloBI sur 6 types (connectance 13.6%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
81
Connectance
0.136
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

791 distinct species · 2 630 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 630 obs · 1 cellules
Obs. / cellule
≥ 2 630
2 630–2 629
2 630–2 629
2 630–2 629
< 2 630

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

Climate

Mean T°

10,3°C

Annual rain

740mm

Warmest m°

21,7°C

Coldest m°

1,2°C

Elevation: 200 m on average (min 183 m, max 211 m)

Bioclimatic detailsExpert
Annual mean temp.
10,3°C
Annual rain
740mm
Warmest month
21,7°C
Coldest month
1,2°C
Mean alt.
200m
Min
183m
Max
211m
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

6,2

Org. C

31,7g/kg

Clay

20,3%

Sand

15,9%

Silt

63,7%

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

Dominant lithology: suGLiMaggregated to Eure

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
51,7g/kg
Clay
18,8%
Sand
15,9%
Silt
65,2%
5–15 cm
pH H₂O
6,2
Org. C
26,7g/kg
Clay
19,9%
Sand
15,5%
Silt
64,6%
15–30 cm
pH H₂O
6,2
Org. C
16,7g/kg
Clay
22,3%
Sand
16,4%
Silt
61,3%

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

Land cover

Forest19.9%
Crops57.3%
Built-up0.4%
Bare soil0.3%
Other (grassland, water…)22.1%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

7,4km

Basins crossed

1

Max stream order

2

Max drainage

2 302km²

Discharge in basins

0,2m³/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

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

41,2%

Pesticides

46,8kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas1

IUCN Not Reported · 1

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

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.