Ontologia

Commune · FRA

Grayan-et-l'Hôpital

France

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

Species observed

1 651

Observations

11 794

Area

46km²

Ecological tissue

Sample of 41 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 Grayan-et-l'Hôpital : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 5 bulles famille, 91 interactions GloBI documentées sur 4 types (connectance 11.1%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
41
Interactions affichées
91
Connectance
0.111
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

1 651 distinct species · 11 794 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 799 obs · 2 cellules
Obs. / cellule
≥ 7 322
7 322–7 321
7 322–7 321
7 322–7 321
< 7 322

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

Climate

Mean T°

13,8°C

Annual rain

882mm

Warmest m°

25,0°C

Coldest m°

4,4°C

Elevation: 8 m on average (min -2 m, max 16 m)

Bioclimatic detailsExpert
Annual mean temp.
13,8°C
Annual rain
882mm
Warmest month
25,0°C
Coldest month
4,4°C
Mean alt.
8m
Min
-2m
Max
16m
Std. dev.
5m
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

41,5g/kg

Clay

35,8%

Sand

33,1%

Silt

31,2%

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

Dominant lithology: suGLiMaggregated to Gironde

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
66,2g/kg
Clay
36,9%
Sand
32,9%
Silt
30,1%
5–15 cm
pH H₂O
6,9
Org. C
31,6g/kg
Clay
37,0%
Sand
31,5%
Silt
31,6%
15–30 cm
pH H₂O
6,9
Org. C
26,7g/kg
Clay
33,4%
Sand
34,8%
Silt
31,8%

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

Land cover

Forest62.2%
Crops9.0%
Built-up0.7%
Bare soil1.3%
Other (grassland, water…)26.9%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

2,5km

Basins crossed

1

Max stream order

1

Max drainage

1 548km²

Discharge in basins

0,2m³/s

Mean precip.

943mm/an

Mean T°

12,8°C

Moisture idx

0,04

Max snow

6%

Mean runoff

501mm/an

Mean elev. (basins)

16m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,8nW

Built-up

71,1%

Pesticides

55,4kg/km²

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

Protected areas10

IUCN Not Reported · 7IUCN V · 2IUCN IV · 1🌊 Marine · 9

Médoc

IUCN V

Regional Nature Park · 2019

2 388 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.