Médoc
IUCN VRegional Nature Park · 2019
2 388 km²
Commune · FRA
Arsac
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
946
Observations
3 958
Area
33km²
Ecological tissue
Sample of 34 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 Arsac : 26 espèces + 8 bulles famille, 86 interactions GloBI documentées sur 5 types (connectance 15.3%, filtre Serrano α=0.2). Les 8 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
34
Interactions affichées
86
Connectance
0.153
Patrimoniales
0
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 · 3 958 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,6°C
Annual rain
880mm
Warmest m°
26,0°C
Coldest m°
3,2°C
Elevation: 26 m on average (min 9 m, max 42 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,6°C
Annual rain
880mm
Warmest month
26,0°C
Coldest month
3,2°C
Mean alt.
26m
Min
9m
Max
42m
Std. dev.
8m
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
6,1
Org. C
38,9g/kg
Clay
20,0%
Sand
55,9%
Silt
24,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Gironde
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
63,2g/kg
Clay
19,4%
Sand
56,3%
Silt
24,3%
5–15 cm
pH H₂O
6,1
Org. C
33,0g/kg
Clay
19,4%
Sand
56,6%
Silt
24,0%
15–30 cm
pH H₂O
6,1
Org. C
20,4g/kg
Clay
21,2%
Sand
54,8%
Silt
24,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest44.0%
Crops13.9%
Built-up1.4%
Bare soil1.1%
Other (grassland, water…)39.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
8,3km
Lake surface here
0,65km²
Basins crossed
2
Max stream order
2
Max drainage
55 941km²
Discharge in basins
28,0m³/s
Mean precip.
939mm/an
Mean T°
12,8°C
Moisture idx
0,02
Max snow
6%
Mean runoff
499mm/an
Mean elev. (basins)
18m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,8nW
Built-up
138,2%
Pesticides
43,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 1IUCN Not Reported · 1🌊 Marine · 1
Marais du Haut Médoc
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2020
51 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.