Barthes de l'Adour
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
156 km²
Commune · FRA
Tarnos
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 135
Observations
19 422
Area
27,1km²
Ecological tissue
Sample of 38 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 Tarnos : 34 espèces + 4 bulles famille, 78 interactions GloBI documentées sur 3 types (connectance 11.1%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
38
Interactions affichées
78
Connectance
0.111
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
2 135 distinct species · 19 422 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,7°C
Annual rain
1 549mm
Warmest m°
23,5°C
Coldest m°
6,2°C
Elevation: 19 m on average (min -15 m, max 42 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
14,7°C
Annual rain
1 549mm
Warmest month
23,5°C
Coldest month
6,2°C
Mean alt.
19m
Min
-15m
Max
42m
Std. dev.
13m
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
5,5
Org. C
46,4g/kg
Clay
23,7%
Sand
38,9%
Silt
37,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Landes
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,4
Org. C
83,6g/kg
Clay
22,8%
Sand
38,5%
Silt
38,7%
5–15 cm
pH H₂O
5,5
Org. C
32,7g/kg
Clay
23,3%
Sand
39,4%
Silt
37,3%
15–30 cm
pH H₂O
5,5
Org. C
22,9g/kg
Clay
25,0%
Sand
39,0%
Silt
36,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest34.0%
Crops11.8%
Built-up6.1%
Bare soil2.1%
Other (grassland, water…)46.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 1 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
7,6km
Lake surface here
0,10km²
Basins crossed
3
Max stream order
6
Max drainage
16 831km²
Discharge in basins
52,7m³/s
Mean precip.
1 273mm/an
Mean T°
13,4°C
Moisture idx
0,29
Max snow
8%
Mean runoff
855mm/an
Mean elev. (basins)
57m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
5,3nW
Built-up
608,9%
Pesticides
46,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN Not Reported · 5IUCN IV · 1🌊 Marine · 3
Barthes de l'Adour
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
122 km²
L'Adour
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
36 km²
Dunes modernes du littoral landais de Capbreton à Tarnos
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2011
6 km²
Le metro
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 2001
3 km²
Zone humide du Métro
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2006
2 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.