Ontologia

Commune · FRA

Piré-sur-Seiche

France

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

Species observed

1 302

Observations

17 932

Area

36,3km²

Ecological tissue

Sample of 33 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 Piré-sur-Seiche : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 108 interactions GloBI sur 6 types (connectance 20.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
108
Connectance
0.204
Patrimoniales
1
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 · 17 932 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

17 932 obs · 4 cellules
Obs. / cellule
≥ 8 325
8 325–8 324
4 451–8 324
4 451–4 450
< 4 451

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

Climate

Mean T°

11,6°C

Annual rain

771mm

Warmest m°

22,9°C

Coldest m°

2,3°C

Elevation: 53 m on average (min 39 m, max 72 m)

Bioclimatic detailsExpert
Annual mean temp.
11,6°C
Annual rain
771mm
Warmest month
22,9°C
Coldest month
2,3°C
Mean alt.
53m
Min
39m
Max
72m
Std. dev.
7m
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

33,9g/kg

Clay

22,9%

Sand

20,4%

Silt

56,7%

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
6,1
Org. C
50,9g/kg
Clay
21,4%
Sand
21,6%
Silt
57,0%
5–15 cm
pH H₂O
6,1
Org. C
26,8g/kg
Clay
23,3%
Sand
20,2%
Silt
56,6%
15–30 cm
pH H₂O
6,0
Org. C
24,0g/kg
Clay
23,9%
Sand
19,5%
Silt
56,6%

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

Land cover

Forest7.0%
Crops61.8%
Built-up1.2%
Bare soil0.6%
Other (grassland, water…)29.4%

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

Hydrology1 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

15,7km

Basins crossed

1

Max stream order

4

Max drainage

817km²

Discharge in basins

0,5m³/s

Mean precip.

729mm/an

Mean T°

11,1°C

Moisture idx

-0,11

Max snow

5%

Mean runoff

458mm/an

Mean elev. (basins)

69m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

118,2%

Pesticides

45,7kg/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.