Ontologia

Commune · FRA

Piriac-sur-Mer

France

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

Species observed

1 437

Observations

10 258

Area

13,1km²

Ecological tissue

Sample of 27 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 Piriac-sur-Mer : 24 espèces + 3 bulles famille, 53 interactions GloBI documentées sur 4 types (connectance 15.1%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
27
Interactions affichées
53
Connectance
0.151
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

1 437 distinct species · 10 258 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 258 obs · 1 cellules
Obs. / cellule
≥ 10 258
10 258–10 257
10 258–10 257
10 258–10 257
< 10 258

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

Climate

Mean T°

12,5°C

Annual rain

791mm

Warmest m°

21,0°C

Coldest m°

4,9°C

Elevation: 16 m on average (min -11 m, max 28 m)

Bioclimatic detailsExpert
Annual mean temp.
12,5°C
Annual rain
791mm
Warmest month
21,0°C
Coldest month
4,9°C
Mean alt.
16m
Min
-11m
Max
28m
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)

Land cover

Forest28.7%
Crops20.7%
Built-up4.5%
Bare soil0.4%
Other (grassland, water…)45.6%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

1 138km²

Discharge in basins

0,0m³/s

Mean precip.

814mm/an

Mean T°

11,7°C

Moisture idx

0,04

Max snow

5%

Mean runoff

527mm/an

Mean elev. (basins)

16m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,6nW

Built-up

452,3%

Pesticides

44,7kg/km²

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

Protected areas7

IUCN IV · 4IUCN Not Reported · 2IUCN V · 1🌊 Marine · 5

Brière

IUCN V

Regional Nature Park · 1970

566 km²

Mor Braz

IUCN Not Reported

Special Protection Area (Birds Directive) · 2008

403 km²

Ile dumet

IUCN IV

Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 1994

0 km²

Complete list

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.