Ontologia

Commune · FRA

Vannes

France

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

Species observed

1 905

Observations

35 857

Area

33,7km²

Ecological tissue

Sample of 42 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 Vannes : 34 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 82 interactions GloBI sur 5 types (connectance 8.7%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
82
Connectance
0.087
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

1 905 distinct species · 35 857 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

35 857 obs · 2 cellules
Obs. / cellule
≥ 24 564
24 564–24 563
24 564–24 563
24 564–24 563
< 24 564

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

Climate

Mean T°

12,1°C

Annual rain

873mm

Warmest m°

21,6°C

Coldest m°

3,9°C

Elevation: 22 m on average (min 5 m, max 48 m)

Bioclimatic detailsExpert
Annual mean temp.
12,1°C
Annual rain
873mm
Warmest month
21,6°C
Coldest month
3,9°C
Mean alt.
22m
Min
5m
Max
48m
Std. dev.
10m
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

6,0

Org. C

43,8g/kg

Clay

20,6%

Sand

33,4%

Silt

46,0%

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

Dominant lithology: paGLiMaggregated to Morbihan

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
67,7g/kg
Clay
19,6%
Sand
33,6%
Silt
46,8%
5–15 cm
pH H₂O
6,0
Org. C
40,3g/kg
Clay
20,3%
Sand
33,3%
Silt
46,4%
15–30 cm
pH H₂O
6,0
Org. C
23,4g/kg
Clay
21,9%
Sand
33,2%
Silt
44,9%

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

Land cover

Forest15.8%
Crops11.8%
Built-up11.5%
Bare soil0.4%
Other (grassland, water…)60.5%

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

Hydrology1 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

17,4km

Basins crossed

1

Max stream order

2

Max drainage

1 839km²

Discharge in basins

0,0m³/s

Mean precip.

877mm/an

Mean T°

11,5°C

Moisture idx

0,16

Max snow

7%

Mean runoff

630mm/an

Mean elev. (basins)

40m

Watersheds crossing here

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

Human pressure

Pop. density

9hab/km²

Night light

10,8nW

Built-up

1 150,3%

Pesticides

46,0kg/km²

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

Protected areas8

IUCN Not Reported · 4IUCN IV · 3IUCN V · 1🌊 Marine · 6

Golfe du Morbihan

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1991

190 km²

Golfe du Morbihan

IUCN Not Reported

Special Protection Area (Birds Directive) · 2019

95 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.