Ontologia

Commune · FRA

Saint-Pern

France

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

Species observed

903

Observations

3 309

Area

12,1km²

Ecological tissue

Sample of 39 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-Pern : 28 espèces reliées par 114 interactions GloBI sur 6 types (connectance 15.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
114
Connectance
0.154
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

903 distinct species · 3 309 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 309 obs · 1 cellules
Obs. / cellule
≥ 3 309
3 309–3 308
3 309–3 308
3 309–3 308
< 3 309

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

Climate

Mean T°

11,2°C

Annual rain

800mm

Warmest m°

22,2°C

Coldest m°

2,3°C

Elevation: 107 m on average (min 79 m, max 154 m)

Bioclimatic detailsExpert
Annual mean temp.
11,2°C
Annual rain
800mm
Warmest month
22,2°C
Coldest month
2,3°C
Mean alt.
107m
Min
79m
Max
154m
Std. dev.
20m
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

31,7g/kg

Clay

20,7%

Sand

20,8%

Silt

58,5%

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
6,0
Org. C
52,1g/kg
Clay
20,8%
Sand
20,8%
Silt
58,4%
5–15 cm
pH H₂O
6,1
Org. C
23,0g/kg
Clay
20,3%
Sand
20,5%
Silt
59,1%
15–30 cm
pH H₂O
6,1
Org. C
19,8g/kg
Clay
21,0%
Sand
21,0%
Silt
58,0%

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

Land cover

Forest11.0%
Crops54.7%
Built-up1.0%
Bare soil0.4%
Other (grassland, water…)32.8%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,4km

Basins crossed

1

Max stream order

1

Max drainage

1 026km²

Discharge in basins

0,2m³/s

Mean precip.

749mm/an

Mean T°

11,0°C

Moisture idx

0,01

Max snow

7%

Mean runoff

519mm/an

Mean elev. (basins)

82m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

100,9%

Pesticides

44,7kg/km²

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

Protected areas1

IUCN V · 1🌊 Marine · 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.