Ontologia

Commune · FRA

Mornac-sur-Seudre

France

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

Species observed

1 075

Observations

9 295

Area

9,6km²

Ecological tissue

Sample of 38 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 Mornac-sur-Seudre : 32 espèces reliées par 98 interactions GloBI sur 4 types (connectance 13.2%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
98
Connectance
0.132
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

1 075 distinct species · 9 295 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 295 obs · 1 cellules
Obs. / cellule
≥ 9 295
9 295–9 294
9 295–9 294
9 295–9 294
< 9 295

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

Climate

Mean T°

13,5°C

Annual rain

847mm

Warmest m°

25,3°C

Coldest m°

3,8°C

Elevation: 4 m on average (min 1 m, max 17 m)

Bioclimatic detailsExpert
Annual mean temp.
13,5°C
Annual rain
847mm
Warmest month
25,3°C
Coldest month
3,8°C
Mean alt.
4m
Min
1m
Max
17m
Std. dev.
3m
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

6,9

Org. C

39,5g/kg

Clay

32,7%

Sand

28,0%

Silt

39,3%

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

Dominant lithology: suGLiMaggregated to Charente-Maritime

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
67,1g/kg
Clay
31,5%
Sand
28,6%
Silt
39,9%
5–15 cm
pH H₂O
6,9
Org. C
28,6g/kg
Clay
33,4%
Sand
26,3%
Silt
40,2%
15–30 cm
pH H₂O
7,0
Org. C
22,7g/kg
Clay
33,1%
Sand
29,0%
Silt
38,0%

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

Land cover

Forest10.0%
Crops23.1%
Built-up1.0%
Bare soil3.7%
Other (grassland, water…)62.2%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

4,2km

Basins crossed

1

Max stream order

3

Max drainage

2 220km²

Discharge in basins

0,0m³/s

Mean precip.

870mm/an

Mean T°

12,6°C

Moisture idx

-0,01

Max snow

4%

Mean runoff

529mm/an

Mean elev. (basins)

23m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

100,5%

Pesticides

40,9kg/km²

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

Protected areas4

IUCN Not Reported · 2IUCN V · 1IUCN IV · 1🌊 Marine · 3

Marais de la Seudre

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2006

140 km²

La pointe de l\'eguille

IUCN IV

Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 2021

1 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.