Ontologia

Commune · FRA

Gaillan-en-Médoc

France

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

Species observed

946

Observations

3 892

Area

41,8km²

Ecological tissue

Sample of 35 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 Gaillan-en-Médoc : 30 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) + 5 bulles famille, 76 interactions GloBI documentées sur 4 types (connectance 12.8%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
35
Interactions affichées
76
Connectance
0.128
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

946 distinct species · 3 892 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 892 obs · 1 cellules
Obs. / cellule
≥ 3 892
3 892–3 891
3 892–3 891
3 892–3 891
< 3 892

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

870mm

Warmest m°

25,5°C

Coldest m°

4,1°C

Elevation: 8 m on average (min 1 m, max 19 m)

Bioclimatic detailsExpert
Annual mean temp.
13,8°C
Annual rain
870mm
Warmest month
25,5°C
Coldest month
4,1°C
Mean alt.
8m
Min
1m
Max
19m
Std. dev.
4m
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

6,3

Org. C

45,3g/kg

Clay

26,3%

Sand

40,4%

Silt

33,3%

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
6,3
Org. C
74,3g/kg
Clay
25,2%
Sand
41,3%
Silt
33,5%
5–15 cm
pH H₂O
6,3
Org. C
34,9g/kg
Clay
27,0%
Sand
39,2%
Silt
33,7%
15–30 cm
pH H₂O
6,4
Org. C
26,9g/kg
Clay
26,6%
Sand
40,8%
Silt
32,6%

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

Land cover

Forest51.0%
Crops17.7%
Built-up0.9%
Bare soil0.6%
Other (grassland, water…)29.8%

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

Hydrology1 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

6,5km

Basins crossed

1

Max stream order

3

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

89,1%

Pesticides

51,7kg/km²

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

Protected areas3

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

Médoc

IUCN V

Regional Nature Park · 2019

2 388 km²

Marais du Bas Médoc

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2015

147 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.