Ontologia

Commune · FRA

Saint-Symphorien

France

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

Species observed

913

Observations

11 330

Area

18,9km²

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-Symphorien : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 97 interactions GloBI sur 5 types (connectance 12.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
97
Connectance
0.124
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

913 distinct species · 11 330 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 330 obs · 1 cellules
Obs. / cellule
≥ 11 330
11 330–11 329
11 330–11 329
11 330–11 329
< 11 330

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

Climate

Mean T°

12,6°C

Annual rain

854mm

Warmest m°

24,8°C

Coldest m°

2,8°C

Elevation: 22 m on average (min 8 m, max 39 m)

Bioclimatic detailsExpert
Annual mean temp.
12,6°C
Annual rain
854mm
Warmest month
24,8°C
Coldest month
2,8°C
Mean alt.
22m
Min
8m
Max
39m
Std. dev.
8m
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

7,3

Org. C

33,3g/kg

Clay

31,9%

Sand

18,4%

Silt

49,8%

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

Dominant lithology: scGLiMaggregated to Deux-Sèvres

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
50,9g/kg
Clay
30,5%
Sand
18,2%
Silt
51,4%
5–15 cm
pH H₂O
7,3
Org. C
26,2g/kg
Clay
32,3%
Sand
17,1%
Silt
50,6%
15–30 cm
pH H₂O
7,3
Org. C
22,6g/kg
Clay
32,8%
Sand
19,7%
Silt
47,5%

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

Land cover

Forest4.7%
Crops69.5%
Built-up1.7%
Bare soil1.0%
Other (grassland, water…)23.1%

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

Hydrology3 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

10,0km

Basins crossed

3

Max stream order

2

Max drainage

983km²

Discharge in basins

0,3m³/s

Mean precip.

809mm/an

Mean T°

12,1°C

Moisture idx

-0,08

Max snow

3%

Mean runoff

526mm/an

Mean elev. (basins)

41m

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

167,6%

Pesticides

41,0kg/km²

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

Protected areas6

IUCN Not Reported · 3IUCN V · 1IUCN III · 1IUCN IV · 1🌊 Marine · 4

Marais poitevin

IUCN III

Wetland of International Importance (Ramsar Site) · 2023

690 km²

Marais poitevin

IUCN Not Reported

Special Protection Area (Birds Directive) · 2019

682 km²

Marais Poitevin

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2007

203 km²

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.