Ontologia

Commune · FRA

Castelnau-de-Médoc

France

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

Species observed

1 534

Observations

17 315

Area

24,2km²

Ecological tissue

Sample of 33 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 Castelnau-de-Médoc : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 151 interactions GloBI sur 5 types (connectance 24.0%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
151
Connectance
0.240
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

1 534 distinct species · 17 315 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

17 315 obs · 4 cellules
Obs. / cellule
≥ 11 318
11 318–11 317
4 107–11 317
4 107–4 106
< 4 107

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

Climate

Mean T°

13,6°C

Annual rain

905mm

Warmest m°

25,6°C

Coldest m°

3,5°C

Elevation: 31 m on average (min 10 m, max 45 m)

Bioclimatic detailsExpert
Annual mean temp.
13,6°C
Annual rain
905mm
Warmest month
25,6°C
Coldest month
3,5°C
Mean alt.
31m
Min
10m
Max
45m
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)

Soil & lithology

pH H₂O

6,0

Org. C

41,2g/kg

Clay

21,2%

Sand

56,5%

Silt

22,3%

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
5,9
Org. C
70,9g/kg
Clay
20,4%
Sand
57,3%
Silt
22,3%
5–15 cm
pH H₂O
6,0
Org. C
32,3g/kg
Clay
20,6%
Sand
57,0%
Silt
22,4%
15–30 cm
pH H₂O
6,0
Org. C
20,3g/kg
Clay
22,6%
Sand
55,2%
Silt
22,2%

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

Land cover

Forest61.8%
Crops9.2%
Built-up1.6%
Bare soil0.2%
Other (grassland, water…)27.2%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

11,1km

Basins crossed

1

Max stream order

2

Max drainage

1 548km²

Discharge in basins

0,1m³/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

1hab/km²

Night light

0,5nW

Built-up

162,0%

Pesticides

45,4kg/km²

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

Protected areas1

IUCN V · 1🌊 Marine · 1

Médoc

IUCN V

Regional Nature Park · 2019

2 388 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.