Ontologia

Commune · FRA

Île-d'Houat

France

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

Species observed

846

Observations

2 950

Area

4,1km²

Ecological tissue

Sample of 32 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 Île-d'Houat : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 57 interactions GloBI sur 4 types (connectance 11.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
57
Connectance
0.115
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

846 distinct species · 2 950 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 950 obs · 1 cellules
Obs. / cellule
≥ 2 950
2 950–2 949
2 950–2 949
2 950–2 949
< 2 950

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

Climate

Mean T°

12,7°C

Annual rain

750mm

Warmest m°

19,6°C

Coldest m°

6,3°C

Elevation: 4 m on average (min -19 m, max 10 m)

Bioclimatic detailsExpert
Annual mean temp.
12,7°C
Annual rain
750mm
Warmest month
19,6°C
Coldest month
6,3°C
Mean alt.
4m
Min
-19m
Max
10m
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)

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

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

Protected areas5

IUCN IV · 3IUCN Not Reported · 2🌊 Marine · 4

Iles Houat-Hoedic

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2016

178 km²

Iles Houat-Hoedic

IUCN Not Reported

Special Protection Area (Birds Directive) · 2019

173 km²

Treac\'h er goured

IUCN IV

Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 1981

1 km²

Ile aux chevaux

IUCN IV

Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 2000

0 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.